Latest version of this web site converted to DokuWiki format.

Conference presentations are in normal letters, refereed articles are in bold . Only most relevant conference contributions are included here.
The most recent work , developed with the SENSeOR company and the Time and Frequency department of the FEMTO-ST institute (Besancon, France), focuses on acoustic transducers and the associated RADAR-like electronics systems for the development of passive sensors interrogated through a wireless radiofrequency link. Previous activities (performed in IMEC, Leuven, Belgium, continued at FEMTO-ST ) were concerned with the combination of Love mode surface acoustic wave sensors (SAW) [slides in French: presented 11/2006 at ENSL, France] (video of the presentation in French) and surface plasmon resonance (SPR) as well as quartz crystal microbalance (QCM) and atomic force microscopy (AFM) combination. Older work performed during my PhD includes noise analysis in a chaotic electronic circuit (Chua's circuit) and manipulation of nano/micrometric objects with AFM with force feedback (inclusion of an AFM in an SEM). I obtained my habilitation (HDR) in 2010 (manuscript and slides).


Le circuit electronique incluant le module GPS d'enregistrement des trames (256 heures d'enregistrement en autonomie memoire, 20 heure d'autonomie en energie sur 4 piles NiMH rechargeables) est disponible aupres de l'auteur pour 85 euros + frais d'envoi : me contacter (friedtj _at_ free _point_ fr) pour plus d'informations. Présentation faite à Rennes (Association Gulliver) le 16/10/2008 sur ce sujet.

Un cours de 12 heures que j'ai donné à l' ENSMM sur les systèmes embarqués, probablement trop ambitieux ... et les TPs associés (2008-2009 : TP1 sur la programmation en assembleur sur MSP430 et TP2 sur uCliunx sur Coldfire ; 2009-2010 : TP1 sur la programmation en C sur MSP430 suivi de TP2 sur le traitement du signal sur signaux acquis par MSP430 , et mise à jour du TP sur uCliunx sur Coldfire ). Examens 2008, 2009, 2011, 2012.
Un cours de 4 heures (?!) sur les capteurs à détection directe et transducteurs acoustiques/optiques associés.
  1. J.-M Friedt, A. Saintenoy, S. Chrétien, T. Baron, E. Lebrasseur, T. Laroche, S. Ballandras, M. Griselin
    High-overtone Bulk Acoustic Resonator as passive Ground Penetrating RADAR cooperative targets
    manuscript J. Appl. Phys., vol 113, num. 13, pp. 134904 (2013)
    published version ("We are also pleased to send you a complimentary copy of your article in PDF form. Under AIP policy, you have the right to post this article on your personal web page...") with the direct link to the AIP web page.
    On a side note, what GPR is not, or yet another reason not to trust television: Ground Penetrating RADAR in NCIS (episode 9, season 1, 31 min. from the beginning) and in CSI NY (episode 20, season 6, 1 min. 40 sec. from the beginning and episode 20, season 2). CSI Miami (season 4, episode 18 -- Double Jeopardy-- and season 6, episode 18) is correct in the script but not in the image (shows a gun buried in concrete, but the actor speaks of a hyperbolic reflection, so ... half correct). Despite an initial attempt to get the science right in Bones (season 1, episode 7, 34 min 11 sec), the producers seem to have thought that the audience was not up to the task of thinking and reverted to the same idiocy as the other series (Bones (season 5, episode 1, 5 min. 38 sec) in which GPR even allows for identifying the material a reflector is made of. X-Files (season 1, epidosde 20) has an episode with a brief scene using GPR plotting on paper and a display on an echography-like screen not showing much other than noise (as observed in real life ? but why the cone-shaped field of view ? Scully: "An experienced operator attempts to differentiate if the signal is a body or is stone or a hole in the ground."). As opposed to the statement on the GSSI web page, I have not found reference to GPR in Jurassik Park, although there is a scene using seismic in which they detect centimeter-scale bones using meter-long waves (but then ... I have no expertise with seismic ...). I am greatful to the GSSI Marketing Communications Manager for kindly providing the necessary information for locating the episode of Crossing Jordan, as stated on the GSSI web page and MTI web sites, for a brief reference to GPR and what looks like an actual, although static, radargram on the display.
  2. Where does a glacier end ? GPR measurements to identify the limits between the slopes and the real glacier area. Application to the Austre Lovénbreen, Spitsbergen -- 79o N
    E. Bernard, J.-M. Friedt, A. Saintenoy, F. Tolle, M. Griselin, C. Marlin
     manuscript submitted to International Journal of Applied Earth Observation and Geoinformation (special issue on "Polar regions in transformation")
  3. J.-M Friedt, G. Goavec-Mérou
    La réception radiofréquence définie par logiciel (Software Defined Radio -- SDR)
    GNU/Linux Magazine France 153 (Octobre 2012), pp.4-33
    manuscrit
    J.-M Friedt
    Radiofrequency communication on a budget: a software approach
    Invited at First EPS conference "Physics for Development" Research in Physics - Physics applications - Education 11-12 October Palais des Académies (Brussels, Belgium)
    slides and a quick addition concerning the use of opensource software for data processing
  4. G. Goavec-Mérou, K. Breshi, G. Martin, S. Ballandras, J. Bernard, C. Droit, J.-M Friedt
    Multipurpose use of radiofrequency sources for probing passive wireless sensors and routing digital messages in a wireless sensor network
    eWise workshop, at IEEE iThings conference, Besancon, Nov. 2012
    slides and manuscript of the proceeding.
  5. J.-M Friedt, N. Chrétien, T. Baron, E. Lebrasseur, G. Martin, S. Ballandras
    High-overtone Bulk Acoustic Resonator (HBAR) as passive sensor: towards microwave wireless interrogation
    eWise workshop, at IEEE iThings conference, Besancon, Nov. 2012
    slides and manuscript of the proceeding.
  6. J.-M Friedt
    Introduction au langage PostScript
    GNU/Linux Magazine France 152 (Septembre 2012), pp.60-70
    manuscrit de l'article corrigé de l'absence des codes d'exemple de la fractale de Mandelbrot et du diagramme de bifurcation de Feigenbaum .
    Un fascicule rédigé pour Science en Fete 1997, dont une section (pp.11-14) par E. Jalade décrit le pavage de Penrose, et code postscript associé par C. Papazian.
  7. T. Laroche, G. Martin, W. Daniau, S. Ballandras, J.-M. Friedt, J.-F. Leguen
    A Coupled-Mode Filter Structure for Wireless Transceiver-Sensors using Reactive Loads
    IFCS 2012 (Baltimore, USA)
    manuscript for the proceedings (by S. Ballandras)
  8. P. Varshney, B.S. Panwar, P. Rathore, S. Ballandras, B. Francois, G. Martin, J.-M. Friedt, T.Rétornaz
    Theoretical and experimental analysis of high Q SAW resonator transient response in a wireless sensor interrogation application
    IFCS 2012 (Baltimore, USA)
    poster and manuscript for the proceedings
  9. T. Rétornaz, N. Chrétien, J.-M Friedt, G. Martin, S. Ballandras
    Time reversal: a flexible approach for identifying and measuring surface acoustic wave delay lines acting as wireless, passive sensors
    IFCS 2012 (Baltimore, USA)
    poster and manuscript for the proceedings
  10. N. Chrétien, J.-M Friedt, S. Ballandras, B. Francois, G. Martin, P. Varshney
    On the need for low phase noise oscillators for wireless passive sensor probing
    manuscript Sensorcomm 2012 (Rome, Italy, Aug. 2012) following an internal lab presentation on the influence of oscillator phase noise on wireless passive sensor measurement resolution using a wireless link.
  11. C. Droit, J.-M.Friedt G. Goavec-Mérou, G. Martin, S. Ballandras, K. Breschi Jimenez-Ramirez, J. Bernard, H. Guyennet
    Radiofrequency transceiver for probing SAW sensors and communicating through a wireless sensor network
    manuscript Sensorcomm 2012 (Rome, Italy, Aug. 2012)
  12. J.- M Friedt, G. Goavec-Merou
    Traitement du signal sur système embarqué -- application au RADAR à onde continue
    manuscript
    GNU/Linux Magazine France n.149 (Mai 2012)
    Une photographie de la manip avec le ventilateur dont les pales sont couvertes d'adhésif métallisé
  13. G. Goavec-Merou, J.-M Friedt
    Le microcontroleur STM32 : un coeur ARM Cortex-M3
    manuscript
    GNU/Linux Magazine France n.148 (Avril 2012)
  14. J.-M Friedt, C. Droit, S. Ballandras, S. Alzuaga, G. Martin, P. Sandoz
    Remote vibration measurement: a wireless passive surface acoustic wave resonator fast probing strategy
    manuscript of the article published in Rev. Sci. Instrum. vol. 83, p.055001 (May 1st 2012)
    Link to the AIP web site.
    Error in the caption of Fig. 1: C1 is 0.56 fF (as correctly noted in the supplementary material). Possible error in the caption of Fig. 3: I am not sure where the 362 Hz comes from, the calculation in the text is correct and so is the stress value mentioned in the caption.
  15. T. Rétornaz, J.-M Friedt, S. Alzuaga, T. Baron, E. Lebrasseur, G. Martin, T. Laroche, S. Ballandras, M. Griselin, J.-P. Simonnet
    Piezoelectric radiofrequency transducers as passive buried sensors
    manuscript and proof of an article accepted in Nondestructive Testing and Evaluation -- Special Issue on Civil Eng. Applications of GPR (10/2011, revised 01/2012, online May 21 2012)
  16. E. Bernard, J.-M Friedt, G. Martin, M. Griselin, C. Marlin
    La photographie terrestre haute résolution pour quantifier les dynamiques nivales de versants : l'exemple d'un bassin glaciaire arctique (Loven Est, Spitsberg, 79oN)
    La Houille Blanche Num. 5, pp. 20-28, Nov. 2011
    manuscript
  17. D. Rabus, T. Baron, E. Lebrasseur, S. Alzuaga, G. Martin, S. Ballandras, J.-M. Friedt
    Novel Narrowband Acoustic Sensors for Sub-GHz Wireless Measurements
    IEEE Sensors conference (Limerick, Ireland from 28-31 October 2011)
    manuscript for the proceedings
    slides of the oral presentations
    A slightly extended version prepared for an Energy Harvesting Workshop organized by the French embassy in Japan (7-9 Nov. 2011) and the Indo-French Symposium on Sensors Technologies and Systems (IIT Delhi, 1-4 March 2012)
  18. E. Bernard, J.-M Friedt, F. Tolle, M. Griselin, G. Martin, D. Laffly, C. Marlin
    Monitoring seasonal snow dynamics using ground based high resolution photography (Austre Lovénbreen, Svalbard, 79oN)
    ISPRS Journal of Photogrammetry and Remote Sensing Vol. 75, January 2013, pp. 92–100
    manuscript
  19. F. Vernier, R. Fallourd, J.-M. Friedt, E. Trouvé, J.-M. Nicolas, L. Moreau
    Fast Correlation Technique for Glacier Flow Monitoring by Digital Camera and Space-borne SAR Images
    EURASIP Journal on Image and Video Processing Vol. 11, doi:10.1186/1687-5281-2011-11
    manuscript
  20. J.-M Friedt
    Auto et intercorrélation, recherche de ressemblance dans les signaux : application à l'identification d'images floutées
    GNU/Linux Magazine France 139 (Juin 2011)
    manuscrit
    Une référence qui mérite à être citée et oubliée dans la biblio.
  21. E. Bernard, J.-M Friedt, F. Tolle, C. Marlin, M. Griselin
    Using ground based high resolution photography for seasonal snow and ice dynamics (Austre Lovénbreen, Svalbard, 79°N)
    Alpine Glaciological Meeting (AGU) 2011, Munchen, Germany
    slides of the presentation
  22. A. Saintenoy, J.-M. Friedt, F. Tolle, E. Bernard, D. Laffly, C. Marlin, M. Griselin
    High density coverage investigation of The Austre LovénBreen (Svalbard) using Ground Penetrating Radar
    6th International Workshop on Advanced Ground Penetrating Radar (IWAGPR), 2011 (22-24 June 2011, Aachen, Germany)
    article for the proceedings of the conference
    A. Saintenoy, J.-M. Friedt, A. D. Booth, F. Tolle, E. Bernard, D. Laffly, C. Marlin, M. Griselin
    Deriving ice thickness, glacier volume and bedrock morphology of the Austre Lovénbreen (Svalbard) using Ground-penetrating Radar
    Manuscript, Near Surface Geophysics vol. 11, num. 2, April 2013, pp.253-261
  23. T Rétornaz, J.-M Friedt, A. Saintenoy, L. Reindl, S. Chrétien, S. Alzuaga, G. Martin, S. Ballandras, M. Griselin, J.-M. Simonnet
    Piezoelectric radiofrequency transducers as passive buried sensors
    RADCOM 2011, Hamburg, Germany
    slides of the oral presentation
  24. T Rétornaz, J.-M Friedt, S. Alzuaga, T. Baron, G. Martin, T. Laroche, S. Ballandras, M. Griselin, J.-M. Simonnet,
    Piezoelectric radiofrequency transducers as passive buried sensors
    European Geophysical Union (EGU) 2011, Vienna, Austria
    abstract and associated poster
  25. F. Kardous, L. El Fissi, J-M Friedt, F. Bastien, W. Boireau, R. Yahiaoui, JF. Manceau, S. Ballandras
    Integrated active mixing and biosensing using low frequency vibrating mixer and Love-wave sensor for real time detection of antibody binding event
    Journal of Applied Physics vol. 109, 094701 (2011)
    manuscript including corrections following the comments of the reviewer, and final copy.
    direct link to AIP
  26. G. Goave-Merou, J.-M Friedt
    Développement pour iPod Touch sous GNU/Linux : application à la communication par liaison Bluetooth
    GNU/Linux Magazine France Hors Série 51 (Dec 2010-Jan 2011), pp.34-53
    sample software
    As an example of a MobileTerminal application (grabbed using uishoot), SatTrack compiled for iPod Touch 3G using the iphonedevonlinux toolchain: put the SatTrack directory in $HOME (either /var/mobile or /var/root, depending on which user you are using), cd SatTrack/run and ./sattrack to predict NOAA 18 passes (default configuration, see data/defaults0.dat)
    manuscript
  27. J.-M Friedt
    Introduction à SPICE3 : simulation de circuits électroniques, et au-delà
    OpenSilicum 1 (Janvier-Mars 2011)
    archive des exemples
    transparents de Rémi Brendel (professeur ENSMM) sur WinSpice, dont la trame a servi de référence à mon document
    manuscript
  28. J.-M Friedt, T. Rétornaz, S. Alzuaga, T. Baron, G. Martin, T. Laroche, S. Ballandras, M. Griselin, J.-P. Simonnet
    Surface Acoustic Wave Devices as Passive Buried Sensors
    Journal of Applied Physics vol. 109, issue 3, p. 034905 (02/2011)
    manuscript
    proof of the article
    error in item 3 of the 7th page of the article: the FSPL cannot be λ^2/d^4 (not homogeneous). I have forgotten to include the radar cross section ~ λ^2 in the equation, which should read FSPL ~ λ^4/d^4 (will not change the conclusion)
  29. R. Fallourd, F. Vernier, J.-M. Friedt, G. Martin, E. Trouvé, L. Moreau, J.-M. Nicolas
    Monitoring temperate glacier with high resolution automated digital cameras: application to the Argentière glacier
    Photogrammetric Computer Vision and Image Analysis (PVC2010, Paris, France)
    proceeding of the conference
  30. D. Laffly, E. Bernard, M. Griselin, F. Tolle, J-M. Friedt, G. Martin and C. Marlin
    High temporal resolution monitoring of snow cover using oblique view ground-based pictures
    The 11th International Circumpolar Remote Sensing Symposium (Cambridge UK, Sept. 2010)
    Slides of the presentation
    Manuscript of an article publication in the associated special issue of Polar Record Vol. 48, Num. 01, pp 11-16 (Jan. 2012), and final published version
  31. J-M. Friedt, F. Tolle, E. Bernard, M. Griselin, D. Laffly and C. Marlin
    Assessing the relevance of digital elevation models to evaluate glacier mass balance: application to Austre Lovénbreen (Spitsbergen, 79°N)
    The 11th International Circumpolar Remote Sensing Symposium (Cambridge UK, Sept. 2010)
    Slides of the presentation
    Manuscript of an article publication in the associated special issue of Polar Record Vol. 48, Num. 01, pp 2-10 (Jan. 2012), and final published version

    Notwithstanding the assignment of copyright in their contribution, all contributors retain the following non-transferable rights: The right to post the definitive version of the contribution as published at Cambridge Journals Online (in PDF or HTML form) on their personal or departmental web page, no sooner than upon its appearance at Cambridge Journals Online, subject to file availability and provided the posting includes a prominent statement of the full bibliographical details, a copyright notice in the name of the copyright holder (Cambridge University Press or the sponsoring Society, as appropriate), and a link to the online edition of the journal at Cambridge Journals Online.
  32. N. Chrétien, M. Lamothe, G. Goavec-Mérou, J.-M Friedt
    Development of libraries for radiofrequency instrumentation using FPGAs
    10eme Rencontres Mondiales du Logiciel Libre (6-10/07/2010, Bordeaux, France)
    slides
  33. G. Goavec-Merou, J.-M Friedt
    Developing for Apple iPod under GNU/Linux
    10eme Rencontres Mondiales du Logiciel Libre (6-10/07/2010, Bordeaux, France)
    slides
  34. D. Rabus, J.-M. Friedt, S. Ballandras, G. Martin, E. Carry, and V. Blondeau-Patissier
    A high sensitivity open loop electronics for gravimetric acoustic wave-based sensors
    2010 EFTF (Noordwijk, The Netherlands)
    manuscript for the proceedings
    manuscript accepted for publication in IEEE Trans. UFFC (2013) and proof of the document.
  35. G. Goavec-Merou, J.-M Friedt, E. Pamba Capo-Chichi, H. Guyennet
    Porting the FAT16 filesystem to TinyOS-2.x: non-volatile mass storage for low power sensor network nodes
    rejected 8th SENSYS (November 2010, Zurich Switzerland)
    rejected manuscript
  36. C. Droit, G. Martin, S. Ballandras, J.-M Friedt
    A frequency modulated wireless interrogation system exploiting narrowband acoustic resonator for remote physical quantity measurement
    Rev. Sci Instrum. Vol 81, Issue 5, 056103 (2010)
    manuscript and supplementary material
    I am delighted to notice that AIP allows me to put a copy of the formatted article on my web site: "We are also pleased to send you a complimentary copy of your article in PDF form. Under AIP policy, you have the right to post this article on your personal web page or your employer's website, provided you include the appropriate copyright and a web link to AIP's official online abstract, as indicated by the URL above."
  37. G. Goavec-Mérou, J.-M Friedt
    Etude d'un système d'exploitation pour microcontroleur faible consommation (TI MSP430) : pilote pour le stockage de masse au format FAT sur carte SD
    GNU/Linux Magazine France Hors Série 47 (Avril-Mai 2010), pp.58-77
    manuscript
  38. J.-M Friedt
    Controle d'instruments scientifiques : les protocoles GPIB, VXI11 et USBTMC
    GNU/Linux Magazine France 124, 26-39 (Férier 2010), pp.60-66
    manuscript
    Complément à l'article : lecture des traces sur un oscilloscope Tektronix TDS20xx. Les commandes GPIB ne sont pas documentées dans le manuel de l'utilisateur. J'ai testé la séquence suivant (lire voie 2) 
    cat /dev/usbtmc0
echo "*IDN?" > /dev/usbtmc1
cat < /dev/usbtmc1
echo "DATA:ENC ASCII" > /dev/usbtmc1
echo "DATA:SOURCE CH2" > /dev/usbtmc1
echo "CURVE?" > /dev/usbtmc1
cat < /dev/usbtmc1 >> t
cat < /dev/usbtmc1 >> t
    donne les coordonnées des pixels, qu'il faut convertir en tension par (la liste des commandes GPIB en japonais et un driver Matlab pour ces osiclloscopes ) WFMPRE:YMULT? et WFMPre:YZERO?
  39. J.-M Friedt
    Tomtom Go : une plateforme pour l'acquisition sans fil de mesures géoreférencees
    GNU/Linux Magazine France 122, 26-39 (Décembre 2009)
    manuscript
  40. J.-M Friedt, C. Droit, G. Martin, and S. Ballandras
    A wireless interrogation system exploiting narrowband acoustic resonator for remote physical quantity measurement
    Rev. Sci. Instrum. vol. 81, 014701 (2010)
    manuscript
    erroneous assumption: I compute the bias using a parabolic fit on a BvD model, while the actual receiver stage of the SAW interrogation unit uses a logarithmic power detector (Analog Devices AD8362). Hence, the error between parabolic fit and "true" resonance shape should be performed on the log(BvD), not the BvD model itself.
  41. L. El Fissi, J.-M. Friedt, F. Chérioux, S. Ballandras
    Amine functionalized SU-8 layer guiding Love mode surface acoustic wave
    Sensors and Actuators B vol 144, issue 1 (January 2010), pp.23-26
    manuscript
  42. L. El Fissi, J.-M. Friedt, F. Chérioux, V. Luzet, S. Ballandras
    Fabrication and Packaging Technologies of Love-wave-based Microbalance for Fluid Analysis
    Sensors and Actuators A vol 162 (2010) pp.304-309 (preliminary version in Procedia Chemistry vol.1, issue 1, Proceedings of Eurosensors XXIII conference, September 2009, pp.52-55)
     manuscript of the article
  43. T. Rétornaz, J.-M. Friedt, G. Martin, S. Ballandras
    USRP and GNURadio for prototyping radiofrequency communication algorithms
    RMLL 2009
    Abstract and slides
  44. J.-M Friedt, G. Goavec-Merou
    Interfaces matérielles et OS libres pour Nintendo DS : DSLinux et RTEMS
    GNU/Linux Magazine France Hors Série 43, aout 2009
    manuscrit
    exemple en espace utilisateur et exemples en espace noyau pour DSLinux, ainsi que quelques exemples pour RTEMS
    Un patch rtems_nds_wireless.patch pour rendre le wifi fonctionnel pour RTEMS 4.9.1 et 4.9.2
    A patch reorganizing a data structure in the NDS BSP of RTEMS 4.9.1 et 4.9.2 needed to make the wifi interface functional

    complements suite aux RMLL2009 : utilisation d'un eeePC701 en access point pour connection directe DS-eeePC (explications de Fred. Tronel)
    slides de la présentation aux RMLL 2009 (Nantes)
    slides and article for Hacking at Random (HAR2009) discussing the same topic in English (YouTube video of the presentation).
  45. J.-M Friedt, E. Carry
    Développement sur processeur à base de coeur ARM7 sous GNU/Linux
    GNU/Linux Magazine France 117 (Juin 2009), pp.40-59
    exemples associés à l'article (carte SD et format FAT, écran LCD, bases) + compression sans pertes au moyen de SLZW porté à l'ADuC7026.
    schéma et implémentation du circuit contenant un ADuC7026 et AD9954 (Eagle 4).
    manuscrit
    update: binary archive of the gcc-4.3.3 toolchain which seems to have corrected the IRQ code generation bugs.
  46. J.-M Friedt, T. Rétornaz, G. Martin, T. Laroche, J.-P. Simonnet, E. Carry, S. Ballandras
    Surface Acoustic Wave Resonators as Passive Buried Sensors
    2009 EFTF/IFCS (Besancon, France, April 2009)
    slides of the presentation
    article for the proceedings . Warning: some mistakes in this paper, as was pointed out to us by a reviewer when submitting this paper for publication in IEEE Trans. Ultrasonics, Ferroelectrics and Freq. Control: we model the propagation of the wave with a loss model following a 1/d2 law. This is wrong in the case of a radar, where the target acts as a point like source and hence only 1/d2 fraction of the energy reaching the target is used as the new source, yielding a 1/d4 behaviour (the classical radar equation). This analysis has been corrected in a version of the paper presented at Sensor Devices
    J.-M Friedt, T. Rétornaz, G. Martin, T. Laroche, S. Alzuaga, J.-P. Simonnet, E. Carry, S. Ballandras
    Surface Acoustic Wave Resonators as Passive Buried Sensors
    article for the proceedings .
    The First International Conference on Sensor Device Technologies and Applications -- SENSORDEVICES 2010 (Venice, Italy, July 2010)
  47. S. Guinot, J.-M Friedt
    GNU/Linux sur Playstation Portable
    GNU/Linux Magazine France 114 , Mars 2009, pp.30-40
    manuscrit
    archive du bootloader (jeu PSP) pour firmware 1.50 (placer pspboot et pspboot% dans psp/game du MS, placer l'image compressée du noyau linux nommé vmlinux.bin dans eboot)
    un exemple de noyau fonctionnel
    slides and article for Hacking at Random (HAR2009) discussing the same topic in English.
  48. J.-M Friedt
    Affichage et traitement de données au moyen de logiciels libres
    GNU/Linux Magazine France, 111 (Dec. 2008)
    manuscrit
    Circuit pour l'ecoute des chauves souris (Nouvelle Electronique Janvier 1996)
    Exemple de fichier son de sonar de chauve souris
    Données acquises avec le circuit précédent, modifié pour une bande passante de 50 kHz, et spectrogrammes résultant.
  49. J.-M Friedt
    Analyse des étiquettes d'identification par radiofréquence (RFID)
    GNU/Linux Magazine France,     Hors Série 39 (Nov.-Dec. 2008)
    manuscrit
  50. P.Sandoz, J.-M Friedt, E. Carry
    Vibration amplitude of a tip-loaded quartz tuning fork during shear force microscopy scanning
    Rev. Sci. Instrum., vol 79, issue 8 (08/2008), DOI: 10.1063/1.2965137
    proof of the article
  51. J. Garcia, J.-M Friedt
    Communication asynchrone et interface graphique portables sous Qt
    Hors série GNU/Linux Magazine France n.38 (08/2008)
    manuscript
    codes sources associés
  52. T. Rétornaz, J.-M Friedt
    Instrumentation scientifique reconfigurable
    Hors série GNU/Linux Magazine France n.38 (08/2008)
    manuscript
    codes sources associés (compteur réciproque et acquisition d'images depuis un capteur CMOS OV6620 sur Armadeus APF9328)
    Présentation Temps Frequence sur les compteurs FPGA et asservissement sur GPS
    Présentation orale aux Rencontres Mondiales du Logiciel Libre (RMLL) 2008
  53. J.-M Friedt, G. Martin, S. Ballandras
    Wireless and Mobile Acoustic Sensor Interrogation for (Bio)Chemical Sensing and Industrial Control
    2008 IEEE International Frequency Control Symposium (Honolulu, USA, 18-21 May 2008)
     slides of the tutorial
  54. L. El Fissi, J-M. Friedt, S. Ballandras, L. Robert, F. Chérioux
    Acoustic characterization of thin polymer layers for Love mode surface acoustic waveguide
    2008 IEEE International Frequency Control Symposium (Honolulu, USA, 18-21 May 2008)
     manuscript and slides
  55. J.-M Friedt, C. Ferrandez, G. Martin, L. Moreau, M. Griselin,E. Bernard, D. Laffly, C. Marlin
    Automated high resolution image acquisition in polar regions
    12th Alpine Glaciological Meeting (Chamonix, France, 6-7 March 2008)
    European Geosciences Union (Vienna, Austria, 13-18 April 2008)
    Slides of the AGM presentation
    Poster of the AGM presentation
    Slides of the EGU presentation
    Abstract of the EGU presentation
  56. E. Mboungou, C. Mavon, J.-M. Friedt, C. Bergeon and M. Fromm
    Impact of Water Content on the Electrical Behavior of Epoxy Insulators
    IEEE Transactions on Dielectrics and Electrical Insulation, Vol 15, Issue 2, 2008, pp.311-318
    manuscript
  57. L. El Fissi, J.-M Friedt, S. Ballandras
    Modeling The Rf Acoustic Behavior Of Love-wave Sensors Loaded With Organic Layers
    2007 IEEE Ultrasonic Symposium (New York, USA)
    manuscript
  58. P. Sandoz, J.-M. Friedt, E. Carry, B.Trolard, J. Garzon Reyes
    Frequency domain characterization of tuning-fork mechanical vibrations by vision and digital image processing
    American Journal of Physics, vol. 77, issue 1, (January 2009), pp.20-26
    Java     software required for running the lab experiment (dual channel function generator using a PC sound card, running under Windows and GNU/Linux). Requires the additional installation of Jsyn available at http://www.softsynth.com/jsyn/ for best performances.
    Demonstration routines for Matlab: run by executing Shift_demo.m.
    manuscript
    proof
  59. J.-M. Friedt, A. Masse, F. Bassignot
    Les microcontroleurs MSP430 pour les applications faibles consommations -- asservissement d'un oscillateur sur le GPS.
    GNU/Linux Magazine France 98 , October 2007
    manuscrit
    archive des programmes contenus dans l'article
  60. J.-M. Friedt
    Géolocalistion de photographies numériques
    GNU/Linux Magazine France 96 , July/August 2007
    manuscrit
    script photos_asc.php pour tracer un chemin en utilisant les Encoded Polylines
    script photos_asc.php pour tracer un chemin en utilisant les Encoded Polylines et y ajouter les photos prises pendant le trajet.
    Conversion de nos trames GPS (corrompues) en GPX :
    grep -a ^\$GPGGA 070522short.nmea |grep -v $'\xff' | gpsbabel -i nmea,GPGGA=1,date=20070101 -f - -o gpx -F -
    Exemple1 : Paris
    Exemple2 : Nice
    Exemple3 : Besancon
    Exemple4 : RMLL07 (Amiens)
    Exemple5 : Spitsberg (Norway) , including a trip to Kvadehuk (Sept. 2009)
    Script Perl de j-g (donc a priori fonctionnel sous Windows aussi) pour ajouter a l'entete EXIF des photos numeriques la position GPS issue de la trace NMEA.
    Trois arguments sont necessaires :
    -d /dossier/de/photos/
    -n /chemin/vers/le/fichier.nmea
    -t différence de temps entre l'appareil photo et le gps en seconde, c'est "-7200" si l'appareil photo est à la bonne heure en été, -3600 en hiver
  61. J.-M. Friedt, L. El Fissi, F. Chérioux, B. Guichardaz, V. Blondeau-Patissier, S. Ballandras
    Design and Use of Wafer Level Fluidic Packaging for Surface Acoustic Wave Sensors
    IFCS/EFTF, Geneva, Switzerland, May 29 - June 1, 2007
    article for the proceedings
  62. P. Sandoz, E. Carry, J.-M. Friedt, S. Ballandras
    Digital image processing for measuring 2D vibration amplitudes with subpixel resolution: application to the quartz tuning fork
    IFCS/EFTF, Geneva, Switzerland, May 29 - June 1, 2007
    article for the proceedings
    slides of the presentation
  63. P. Sandoz, J. M. Friedt, E. Carry,
    In-plane displacement measurement with sub-pixel resolution: application to vibration characterization of a shear-force scanning probe
    SPIE Europe Optical Metrology, Munich, Germany 17-21 June 2007
  64. G. Weisenhorn, E. Pamba Capo-Chichi, J.-M. Friedt
    Communications de données et d'images issues de la carte Fox par Bluetooth
    GNU/Linux Magazine France 95 , June 2007
    manuscrit     slides of the 2007 RMLL conference
  65. J.-M Friedt, C. Ferrandez, G. Martin, S. Guinot, E. Carry, P. Berthelot, M. Griselin
    Instrumentation pour l'acquisition automatique de données : application à la capture autonome d'images haute résolution
    Société Hydrotechnique de France (SHF), Section de Glaciologie-Nivologie
    Grenoble 15 et 16 mars 2007
    SHF, Grenoble 2007
    including the introduction by M. Griselin (>60 MB)
  66. J.-M Friedt
    Introduction à la programmation sur PlayStation Portable
     GNU/Linux Magazine France 92 , March 2007
    Manuscript
    archive des logiciels présentés dans l'article
  67. J.-M Friedt, E. Carry
    Introduction to the quartz tuning fork
    American Journal of Physics (May 2007), pp.415-422
    Manuscript
    Proof
  68. P. Sandoz, J.-M Friedt, E. Carry
    In-plane rigid-body vibration mode characterization with a nanometer resolution by stroboscopic imaging of a microstructured pattern
     Review of Scientific Instruments, vol 78, p.023706 (02/2007)
    Manuscript
  69. C. Ferrandez, J.-M Friedt, K.P. Yew, D. Fuin, H. Guyennet
    An autonomous sensor platform including a high resolution camera for harsh environments
    Rencontres Mondiales du Logiciel Libre 2006 (Nancy)
    transparents de la présentation
  70. J.-M Friedt, E. Carry
    Prises de vues automatiques
    GNU/Linux Magazine France, Hors Série 27 (Octobre 2006)
    Manuscript
    archive gphoto cross-compilee pour architecture CRIS , a placer sur cle USB pour carte FOX de ACME.
  71. J.-M Friedt, E. Carry
    Acquisition et dissémination de trames GPS à des fins de cartographie libre
    GNU/Linux Magazine France, Hors Série 27 (Octobre 2006)
    Manuscript
    transparents de la présentation à Marmottux
    archive des programmes pour ADuC814 et exploitations des donnees NMEA.
    Google Earth track example as obtained from my GPS receiver connecter to a MultiMediaCard (MMC), and panorama pictures taken during the trip in Grenoble, France . The same trip presented with the javascript Google Maps interface which does not require the (painful) installation of Google Earth under Linux: this HTML page generated using mostly sed commands and manual editing.
    Another example of GPS data processing using a generic KML to Google Maps interface walk near Orleans and in Paris .
    Rather than simply displaying the track one can encode a physical quantity in the color of the track, the following example encodes the velocity in the color of the line during a trip in the volcanos (center of France) . The kml file (Google Earth) of the volcano track is also available for comparison.
    Finally a direct NMEA to Google Maps interface for displaying this short walk next to the Loire river (France) (and the original NMEA file for generating this path).
  72. L. Francis, J.-M. Friedt, C. Zhou, P. Bertrand
    In situ evaluation of density, viscosity and thickness of adsorbed soft layers by combined surface acoustic wave and surface plasmon resonance
    Analytical Chemistry 2006; vol. 78(12) (2006), pp. 4200-4209. DOI: ac051233h
    manuscript
    arXiv cond-mat/0311660
    link to ACS web site (requires a subscription)
  73. J.-M. Friedt, L. El Fissi,L. Robert, G. Martin, W. Daniau, S. Ballandras
    Capteurs autour des ondes de Love
    8ème Congrès Français d'Acoustique), 24-27 April 2006 (Tours, France)
     article and slides of the presentations (in French)
  74. S. Guinot, J.-M Friedt
    Stockage de masse non-volatile : un block device pour MultiMediaCard
    GNU/Linux Magazine France, Hors Série 25 (Avril 2006)
    manuscript
    archive of all Coldfire 5282 QSPI modules for MMC management for uClinux and SPI emulation on a PC parallel port.
    PCB of the MMC to PC parallel port adapter. References on the PCB are from Farnell France (4/4/2006)
    Complement to the article: rather than powering the circuit from the PS2 port as presented in the manuscript, we also powered the circuit from a USB port by connecting the two sidemost pins which provide the ground and +5V signals. The PCB also uses an MMC connector rather than an ISA connector.
  75. S. Guinot, J.-M Friedt
    La réception d’images météorologiques issues de satellites : utilisation d'un système embarqué
    GNU/Linux Magazine France, Hors Série 24 (Février 2006)
    manuscript
    archive of all Coldfire 5282 QADC modules for uClinux and some sample programs.
  76. J.-M Friedt, S. Guinot
    La réception d’images météorologiques issues de satellites : principes de base
    GNU/Linux Magazine France, Hors Série 24 (Février 2006)
    manuscript
    digital version of the images presented in this article
  77. J.-M Friedt, E. Carry
    Enregistrement de trames GPS -- développement sur microcontroleur 8051/8052 sous GNU/Linux
    GNU/Linux Magazine France, vol 81 (Février 2006)
    manuscript
    Software archive for programming and using the ADuC814+MMC+GPS receiver (9600 bauds)
  78. J.-M Friedt, S. Guinot
    Programmation et interfacage d'un microcontroleur par USB sous linux : le 68HC908JB8
    GNU/Linux Magazine France, Hors Série vol 23 (November/Décembre 2005)
    manuscript and associated archive including all 68HC908JB8 related software and programming tools. The PCB layout ( Eagle file) for the final board used in this project.
  79. J.-M Friedt, S. Guinot
    Introduction au Coldfire 5282
    GNU/Linux Magazine France, vol 75 (September 2005)
    manuscript
  80. J.-M Friedt, C. Mavon, S. Ballandras, V. Blondeau-Patissier, M. Fromm
    Large Quartz resonator based low-energy ionizing radiation detection
    RADECS 2005, Cap d'Agde, France, (19-23 September 2005)
    poster
    article in the proceedings
  81. J.-M. Friedt, L. A. Francis, S. Ballandras
    Thickness and Viscosity of Organic Thin Films Probed by Combined Surface Acoustic Love Wave and Surface Plasmon Resonance
    2005 IEEE International Ultrasonics Symposium (UFFC), Rotterdam, The Netherlands (18-21 September 2005)
    article for the proceedings
    slides of the presentation
  82. J.-M. Friedt, S. Alzuaga, N. Ratier, N. Vercelloni, R. Boudot, B. Guichardaz, W. Daniau, V. Laude, S. Ballandras
    Design of Asynchronous STW Resonators for Filters and High Stability Source Applications
    2005 IEEE International Ultrasonics Symposium (UFFC), Rotterdam, The Netherlands (18-21 September 2005)
    article for the proceedings
    slides of the presentation
  83. J.-M Friedt, S. Guinot
    Introduction to uClinux: low cost embedded-device development environments
    What the Hack, Liempde, The Netherlands (5-9 July 2005)
    slides
    talk (424 MB !)
  84. J.-M Friedt, S. Guinot
    Introduction to uClinux: low cost embedded-device development environments
    6eme Rencontres Mondiales du Logiciel Libre, Dijon, France (5-9 July 2005)
    slides
  85. J.-M Friedt
    Satellite image eavesdropping: a multidisciplinary science education project
    European Journal of Physics, vol 26 (August 2005) pp.969-984
    proof of the article
  86. J.-M Friedt, S. Guinot, E. Carry
    Introduction au Coldfire 5272
    GNU/Linux Magazine France, vol 73 (June 2005) pp.26-33
    manuscript and English translation (with some errors corrected)
    A couple of posters in French and in English summarising the same results.
  87. J.-M Friedt, E. Carry
    Introduction au diapason à quartz
    Bulletin de l'Union des Physiciens (December 2005)
    manuscript
    preprint
  88. J.-M Friedt, E. Carry, Z. Sadani, B. Serio, M. Wilm, S. Ballandras
    Quartz tuning fork vibration amplitude as a limitation of spatial resolution of shear force microscopes
    19th EFTF, Besancon, France (21-24 April 2005)
    slides
    article for the proceedings
  89. L. Huang, G. Reekmans, D. Saerens, J.-M Friedt, F. Frederix, L. Francis, S. Muyldermans, A. Campitelli, C. Van Hoof,
    Prostate-specific antigen immunosensing based on mixed self-assembled monolayers, camel antibodies and colloidal gold enhanced sandwich assays
    Biosensors & Bioelectronics, vol. 21, n. 3, (15 September 2005), pp. 483-490
  90. K. Bonroy, J.-M. Friedt, F. Frederix, W. Laureyn, S. Langerock, A. Campitelli, M. Sa´ra, G. Borghs, B. Goddeeris, P. Declerck
    Realization and Characterization of Porous Gold for Increased Protein Coverage on Acoustic Sensors
    Analytical Chemistry, Vol. 76, n. 15, pp. 4299-4306 (2004)
    Proof of the article
  91. C. Zhou, J.-M. Friedt, A. Angelova, K.-H. Choi, W. Laureyn, F. Frederix, L. A. Francis, A. Campitelli, Y. Engelborghs, G. Borghs
    Human Immunoglobulin Adsorption Investigated by Means of Quartz Crystal Microbalance Dissipation, Atomic Force Microscopy, Surface Acoustic Wave, and Surface Plasmon Resonance Techniques
    Langmuir, Vol. 20, n. 14, pp. 5870-5878 (June 2004)
    Proof of the article
    error: E. Gizeli mentioned to me an error whose exact expression I cannot remember. I believe this document states that the acoustic losses in an organic layer is independent on the thickness, while the loss should be related to the layer thickness as later stated by L. Francis and al. (whether the viscoelastic or gravimetric effect is predominant is related to the loss/phase shift ratio, not the insertion loss itself).
  92. L. Francis, J.-M Friedt, R. de Palma, C. Zhou, C. Bartic, P. Bertrand, A. Campitelli
    Techniques to evaluate the mass sensitivity of Love mode surface acoustic wave biosensors
    UFFC, Montreal (Canada), 24-27 August 2004, pp. 241-249
     abstract
    poster (best student poster award)
  93. L. Francis, J.-M. Friendt, C. Bartic, P. Bertrand, A. Campitelli
    A novel biosensor platform integrating Love mode acoustic wave and surface plasmon resonance for the investigation of protein layers
    Biosensors 2004, Granada (Spain), 24-26 May 2004
    abstract
    slides
  94. L. Francis, J.-M Friedt, C. Bartic, A. Campitelli
    A SU8 liquid cell for surface acoustic waves biosensors
    SPIE Photonics Europe 2004, Strasbourg (France), 26-30 Avril 2004
    poster
    article for the proceedings
  95. J.-M Friedt, F. Denis, L. Francis, C. Zhou, A. Campitelli
    Combined surface acoustic wave and surface plasmon resonance measurement of collagen and fibrinogen layers
    rejected from Langmuir
    manuscript
    arXiv physics/0310096
  96. J.-M. Friedt, R. De Palma, W. Laureyn and A. Campitelli
    Multiple wavelengths, multiple angles surface plasmon resonance measurements
    rejected from Sensors and Actuators A and Applied Optics
    text
    figure
  97. L. Francis, J.-M. Friedt, R. De Palma, P. Bertrand, A. Campitelli
    Influence of electromagnetic interferences on the gravimetric sensitivity of surface acoustic waveguides
    Eurosensors XVIII (September 13-15, 2004 - Italy - Rome),
    Sensors and Actuators A, Vol. 123-124, pp.360-369 (September 2005)
    arXiv physics/0307122
    abstract
    proof of the article
  98. J.-M Friedt
    Cartographie du potentiel électrostatique
    Bulletin de l'Union des Physiciens n.864 (May 2004), pp. 691-703
         article (in French)
  99. J.-M Friedt
    Realization of an optical profiler: introduction to scanning probe microscopy
    American Journal of Physics, Vol. 72, n. 8, pp. 1118-1125
    manuscript (April 2004)
    proof of the article
  100. F. Frederix, J.-M. Friedt, K.-H. Choi, W. Laureyn, A. Campitelli, D. Mondelaers, G. Maes, G. Borghs
    Biosensing Based on Light Absorption of Nanoscaled Gold and Silver Particles
    Analytical Chemistry 2003; 75(24); 6894-6900 (DOI: ac0346609)
  101. J.-M Friedt, L. Francis, K.-H. Choi, A. Campitelli
    The metrology of biosensors: a multiparameter approach to characterizing protein layers
    Leiden/Delft/IMEC nanotechnology workshop in Egmond (NL) 1-3 June 2003
    poster
  102. J.-M Friedt, L. Francis, G. Reekmans, R. De Palma, A. Campitelli and U.B. Sleytr
    Simultaneous surface acoustic wave and surface plasmon resonance measurements: electrodeposition and biological interactions monitoring
    Journal of Applied Physics 15 February 2004 -- Volume 95, Issue 4, pp. 1677-1680
    manuscript
    arXiv cond-mat/0307105
  103. J.-M. Friedt, K.H. Choi, F. Frederix and A. Campitelli
    Simultaneous Atomic Force Microscope and Quartz Crystal Microbalance Measurements: Methodology Validation using Electrodeposition
    Journal of the Electrochemical Society October 2003 -- Volume 150, Issue 10, pp. H229-H234
    final article
  104. J.-M. Friedt, Q. Le Masne, N. Coq, M. Myotte
    Réalisation d'un profilomètre optique : introduction à la microscopie à sonde locale
    Bulletin de l'Union des Physiciens n.861 (February 2004), pp.265-277
    manuscript (in French)
    article (in French)
  105. J.-M. Friedt
    Introduction à la microbalance à quartz : aspects théoriques et experimentaux
    Bulletin de l'Union des Physiciens n.852 (March 2003), pp.429-440
    preprint (in French) (color pictures)
    article (in French)
  106. J.-M. Friedt, K.-H Choi, L. Francis, F. Frederix, A. Campitelli
    Simultaneous AFM and QCM measurements of biological and electrochemical processes
    QCM2002, Brighton, UK (24th-25th July 2002)
    abstract
    poster
  107. J.-M. Friedt, D. Gillet, M. Planat
    Simultaneous amplitude and frequency noise analysis in Chua's circuit
    International Journal of Bifurcation and Chaos (IJBC) in Applied Sciences and Engineering Vol 13, No 8, pp2301-2308 (August 2003)
    article
    text
    figures
    A few more pictures of the evolution of the amplitude return map with increasing value of the inductor, obtained after the paper was accepted for publication: graph 1 and graph 2 . Also a picture of the experimental setup
  108. K. H. Choi, J.-M Friedt, F. Frederix, ...
    Simultaneous Atomic Force Microscope and Quartz Crystal Microbalance Measurement
    Applied Physics Letters (Vol 81, No 7, 12 Aug 2002)
    article
  109. K.-H. Choi, J.-M. Friedt, W. Laureyn, F. Frederix, A. Campitelli and G. Borghs
    Investigation of protein adsorption with simultaneous measurements of atomic force microscope and quartz crystal microbalance
    JVST B (Vol 21, Issue 4, July-Aug. 2003, p.1433)
    article
  110. J.-M. Friedt, L. Francis, K.-H. Choi, A. Campitelli
    Combined Atomic Force Microscope and Acoustic Wave Devices: Application to Electrodeposition
    49th AVS meeting (November 4-8, 2002, Denver, Colorado)
    JVST A (Vol 21, Issue 4, July-Aug. 2003, p.1500)
    abstract
    slides
    proof of the article
    electronic circuit of the potentiostat used in this work
  111. J.-M Friedt, K. H. Choi, L. Francis, A. Campitelli
    Simultaneous Atomic Force Microscope and Quartz Crystal Microbalance measurements: interactions and displacement field of a QCM
    Japanese Journal of Applied Physics (Vol 41, No 6A (June 2002), pp.3974-3977)
    article
    A small tutorial on modulef I wrote while performing the simulation presented in this article.
  112. J.-M. Friedt, K.-H. Choi, F. Frederix, L. Francis, A. Campitelli, G. Borgs
    Simultaneous AFM and QCM measurements: application to the adsorption of proteins on metallic surfaces,
    IVth Annual Linz Winter Workshop, Linz, Austria (February 1st-4th 2002)
    slides
  113. Projet Aurore
    Films accélérés : méthodes d'acquisition et traitements
    Bulletin de l'Union de Physiciens n.842 (Mars 2002), p.543
    preprint (in French) (color pictures)
    article (in French)
  114. J.-M Friedt, C. Thiébaud
    Micro-nanomanipulation à distance avec rétroaction visuelle et tactile sous MEB par utilisation d'un levier d'AFM piézorésistif [in French]
    NMT (2000)
    article (in French)
  115. Lancer d'un ballon sonde
    Bulletin de l'Union de Physiciens (Juillet-Aout-Septembre 2000), p.1317
    article (in French)
  116. J.-M. Friedt, O. Teytaud, M. Planat
    Learning from noise in Chua's oscillator
    16 th International Conference on Noise in Physical Systems and 1/f Fluctuations (ICNF 2001), Gainesville, Floride, USA (22-25 Octobre 2001) pp.491-496
    article
  117. O. Teytaud, J.-M. Friedt, M. Planat
    Neural network based prediction of Chua's chaotic circuit frequency -- possible extension to quartz oscillators
    15 th EFTF, Neuchatel, Suisse (6-8 Mars 2001), proceedings pp.129-133
  118. J.-M. Friedt, O. Teytaud, D. Gillet, M. Planat
    Simultaneous amplitude and frequency noise analysis in Chua's circuit -- neural network based prediction and analysis
    VIII. Van Der Ziel symposium on quantum 1/f noise ..., St. Louis, Missouri, USA (5-6 Juin 2000)
    abstract
    article (to be published in proceedings ?)
  119. Jean-Michel Friedt, Michel Planat
    Mesures instantanées en fréquence et en amplitude dans le circuit de Chua
    Rencontre du non-linéaire 2000 (Paris, France)
    abstract (French)
    poster (French)
    article (in French)
  120. Jean-Michel Friedt, Daniel Gillet, Michel Planat
    Simultaneous amplitude and frequency noise analysis in Chua's circuit
    14th EFTF, Turin, Italie (14-16 Mars 2000)
    article
    abstract
    poster
    All data (signal period and amplitude) obtained from my implementation of Chua's circuit and used in these articles are available upon request to friedtj_at_free.fr