Дисертації з теми "Scanning laser Doppler vibrometry"
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Salman, Muhammad. "Continuous scanning laser doppler vibrometry for synchronized array measurements: applications to non-contact sensing of human body vibrations." Diss., Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/45792.
Повний текст джерелаMartarelli, Milena. "Exploiting the laser scanning facility for vibration measurements." Thesis, Imperial College London, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.248035.
Повний текст джерелаBlotter, Jonathan D. "Structural energy and power flow using a scanning laser Doppler vibrometer." Diss., This resource online, 1996. http://scholar.lib.vt.edu/theses/available/etd-06062008-151157/.
Повний текст джерелаRajm, Martin. "Laserový vibrometr s 2D rozmítáním." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2012. http://www.nusl.cz/ntk/nusl-219813.
Повний текст джерелаStrean, R. Flynt. "Characterization of laser noise in free-free beam structures using a Scanning Laser Doppler Vibrometer." Thesis, This resource online, 1995. http://scholar.lib.vt.edu/theses/available/etd-02132009-171026/.
Повний текст джерелаZeng, Xiandi. "The estimation and statistical inferences of the position and orientation of a scanning laser Doppler vibrometer." Diss., This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-10302008-063011/.
Повний текст джерелаManwill, Daniel Alan. "Scanning Laser Registration and Structural Energy Density Based Active Structural Acoustic Control." BYU ScholarsArchive, 2010. https://scholarsarchive.byu.edu/etd/2396.
Повний текст джерелаJones, Cameron Bennion. "Development and Validation of a Vibration-Based Sound Power Measurement Method." BYU ScholarsArchive, 2019. https://scholarsarchive.byu.edu/etd/9260.
Повний текст джерелаIverson, Thomas Z. "Signature Stability in Laser Doppler Vibrometry." University of Dayton / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1497386740815576.
Повний текст джерелаHimes, Benjamin John. "Development and Analysis of a Vibration Based Sleep Improvement Device." BYU ScholarsArchive, 2020. https://scholarsarchive.byu.edu/etd/9168.
Повний текст джерелаChan, Alfred. "Vocal fold vibration measurements using laser Doppler vibrometry." Thesis, McGill University, 2012. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=106574.
Повний текст джерелаLa présente étude avait pour but de mesurer directement la vitesse des cordes vocales de la voix humaine en utilisant la vibrométrie laser (VL). Une buse endoscopique pour la re-direction du faisceau laser a été conçue et construite. Un protocole expérimental de mesures en clinique a été développé et mis en oeuvre afin d'obtenir des signaux de vitesse simultanément avec des images vidéoendoscopiques. Les mesures furent prises au laboratoire de la voix de l'Hôpital Général de Montréal. La vitesse mesurée est dans l'axe du faisceau laser, soit dans la direction inférieure-supérieure. Des signaux synchrones provenant d'un électroglottogramme (EGG) et d'un microphone furent recueillis pour fins de comparaisons et de vérifications. Les signaux provenant du VL sont parfaitement corrélés et consistants avec les signaux du EGG et microphone ainsi que les informations provenant du vidéo. L'énergie vibratoire semble être présente dans un bande de fréquence allant jusqu'à 3 kHz. La vitesse est de 45 mm/s dans les trois cas étudiés, pour toute fréquence, amplitude et position. Différents modes vibratoires avec des formes d'ondes distinctes furent identifiés, probablement dus à la propagation d'ondes sur la surface supérieure des cordes vocales. Les résultats suggèrent que l'utilisation du VL pourrait mener à des applications intéressantes pour la détection de problèmes tels que des lésions. La VL pourrait aussi sans doute fournir une rétroaction à des professionnels de la voix qui leur permettrait d'ajuster la tension et la position de leur cordes vocales afin d'obtenir le timbre ou l'intonation désirée.
Jackson, Stephen. "Proposed pixel for custom laser Doppler vibrometry camera." Thesis, University of Nottingham, 2012. http://eprints.nottingham.ac.uk/12975/.
Повний текст джерелаAbel, Jeffry J. "Three-dimensional velocity extraction using laser Doppler vibrometry." Thesis, This resource online, 1993. http://scholar.lib.vt.edu/theses/available/etd-12042009-020059/.
Повний текст джерелаHalkon, Benjamin John. "Laser Doppler vibrometry for vibration measurements on rotating structures." Thesis, Loughborough University, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.414974.
Повний текст джерелаPan, Jingyi. "Confocal scanning laser tomography and scanning laser Doppler flowmetery in the rat eye." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ49422.pdf.
Повний текст джерелаMartin, Peter. "Uncertainty due to speckle noise in laser vibrometry." Thesis, Loughborough University, 2010. https://dspace.lboro.ac.uk/2134/7139.
Повний текст джерелаDonovan, Joseph Brian. "Three-dimensional vibrometry via three positions of a one-dimensional laser doppler velocimeter." Thesis, This resource online, 1991. http://scholar.lib.vt.edu/theses/available/etd-08142009-040347/.
Повний текст джерелаOlsson, Andreas. "Target recognition by vibrometry with a coherent laser radar." Thesis, Linköping University, Department of Electrical Engineering, 2003. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-1730.
Повний текст джерелаLaser vibration sensing can be used to classify military targets by its unique vibration signature. A coherent laser radar receives the target´s rapidly oscillating surface vibrations and by using proper demodulation and Doppler technique, stationary, radially moving and even accelerating targets can be taken care of.
A frequency demodulation method developed at the former FOA, is for the first time validated against real data with turbulence, scattering, rain etc. The issue is to find a robust and reliable system for target recognition and its performance is therefore compared with some frequency distribution methods. The time frequency distributions have got a crucial drawback, they are affected by interference between the frequency and amplitude modulated multicomponent signals. The system requirements are believed to be fulfilled by combining the FOA method with the new statistical method proposed here, the combination being suggested as aimpoint for future investigations.
Townsend, Russell James. "Experimental study of a scanning laser doppler flowmeter." University of Western Australia. Centre for Ophthalmology and Visual Science, 2005. http://theses.library.uwa.edu.au/adt-WU2005.0063.
Повний текст джерелаAntoine, Marc M. E. "A rapidly scanning three-velocity-component laser Doppler anemometer." Thesis, Virginia Polytechnic Institute and State University, 1985. http://hdl.handle.net/10919/104288.
Повний текст джерелаSharma, Vinod K. "Laser doppler vibrometer for efficient structural health monitoring." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2008. http://hdl.handle.net/1853/26708.
Повний текст джерелаCommittee Chair: Hanagud, Sathya; Committee Member: Apetre, Nicole; Committee Member: Engelstad, Steve; Committee Member: Glass, Brian; Committee Member: Kardomateas, George; Committee Member: Ruzzene, Massimo. Part of the SMARTech Electronic Thesis and Dissertation Collection.
Willis, Richard Lance. "Non-invasive characterization of microvoided polymers under controlled static pressure and temperature using laser doppler vibrometry." Diss., Georgia Institute of Technology, 1999. http://hdl.handle.net/1853/17248.
Повний текст джерелаAcharya, Dabit. "COMPARATIVE EXPERIMENTAL STUDIES FOR GLOBAL DAMAGE DETECTION IN PLATES USING THE SCANNING LASER VIBROMETER TECHNIQUES." University of Akron / OhioLINK, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=akron1155079600.
Повний текст джерелаLi, Xinzuo William. "A precision laser scanning system for experimental modal analysis : its test and calibration /." Thesis, This resource online, 1992. http://scholar.lib.vt.edu/theses/available/etd-08222009-040335/.
Повний текст джерелаPal, Istvan. "Computerunterstützte Analyse der retinalen Zirkulationsstörungen, insbesondere des Glaukoms auf Scanning-Laser-Doppler-Flowmetrie-Aufnahmen /." Berlin : Logos Verlag Berlin, 2004. http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&doc_number=010735751&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA.
Повний текст джерелаRayanne, Pinto Costa. "Transition to turbulence within an eccentric stenosis geometry under steady flow using laser Doppler vibrometry for a non-Newtonian and Newtonian fluid." University of Akron / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=akron1605627935635379.
Повний текст джерелаEssex, Timothy John Hudson. "The development and evaluation of a scanning laser Doppler instrument for imaging skin blood flow." Thesis, Northumbria University, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.357147.
Повний текст джерелаShinpaugh, Kevin A. "Design of a 3-D rapidly scanning laser Doppler velocimeter with low SNR signal processing." Thesis, Virginia Polytechnic Institute and State University, 1989. http://hdl.handle.net/10919/50092.
Повний текст джерелаMaster of Science
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Li, Jingxuan. "Development of novel diagnostic techniques to measure heat release rate perturbations in flames." Phd thesis, Ecole Centrale Paris, 2012. http://tel.archives-ouvertes.fr/tel-00997413.
Повний текст джерелаKil, Hyun-Gwon. "An automated scanning laser doppler system for vibration measurements and wave-vector analysis of vibration of shells." Diss., Georgia Institute of Technology, 1995. http://hdl.handle.net/1853/16856.
Повний текст джерелаShinpaugh, Kevin A. "Measurements in the bimodal region of a wing-body junction flow with a rapidly-scanning two-velocity-component laser-Doppler velocimeter." Diss., This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-06062008-163435/.
Повний текст джерелаLam, Norris. "Modeling rating curves from close-range remote sensing data : Application of laser and acoustic ranging instruments for capturing stream channel topography." Doctoral thesis, Stockholms universitet, Institutionen för naturgeografi, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-142135.
Повний текст джерелаEn avbördningskurva tillhandahåller ett funktionellt förhållande mellan vattendjup (dvs. vattenstånd) och flöde vid ett specifikt tvärsnitt i ett vattendrag. Avbördningskurvan blir en central komponent för generering av kontinuerliga tidsserier av vattenföring från tidsserier av vattenstånd. Eftersom det är tidskrävande att utveckla och underhålla avbördningskurvor erbjuder hydrauliska modeller attraktiva möjligheter att minska den insats som krävs för att utveckla avbördningskurvorna. En central utmaning för sådana modelleringsförfaranden är emellertid tillgången till noggrann topografidata av strömfåran och de omgivande stränderna. Den här avhandlingen fokuserar på tillämpningen av fjärranalystekniker för avståndsmätning på nära håll, såsom laserbaserade teknik (dvs. Light detection and ranging eller LiDAR) och akustisk baserat teknik (dvs. acoustic Doppler current profiler eller ADCP), för att fånga topografisk information för hydraulisk modellering av vattendrag i olika rumsliga skalor. Först presenteras en litteraturstudie av den nuvarande LiDAR-litteratur för att identifiera potentiella sätt att dra full nytta av dessa nya data och tekniker i framtiden. Detta följs av fyra sammanlänkade studier: (i) tillämpning av ett lågkostnads-laseravsökningssystem för att fånga kornstorleksfördelningar i ett litet vattendrag, (ii) syntetiskt förtunnad flygburen laserskanningsdata (ALS) applicerad i en fysiskt baserad hydraulisk modell för att utveckla avbördningskurvor, (iii) lågupplösta ALS från Svensk nationell höjdmodell kopplade med ADCP-batymetri för att ta fram en avbördningskurva med en hydraulisk modell, och (iv) undersökning av effekterna av osäkerheter på mätdata för att generera avbördningskurvor med en hydraulisk modell. Denna avhandling belyser potentialen för fjärranalystekniker för avståndsmätning på nära håll, för att fånga strömfårans exakta topografi och ifrån dessa data härleda de parametrar som krävs för hydrauliska modelleringstillämpningar.
At the time of the doctoral defense, the following paper was unpublished and had a status as follows: Paper 5: Manuscript.
Shaporin, Alexey. "Dynamic parameter identification techniques and test structures for microsystems characterization on wafer level." Doctoral thesis, Universitätsbibliothek Chemnitz, 2010. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-200901902.
Повний текст джерелаIn this work a method for the characterization of microsystems with movable components is presented. The method allows to determine the relevant parameters and their variations on wafer level if the nominal shape of the structure and the type of deviations are known. The method is based on a comparison of the numerically calculated and experimentally measured Eigenfrequencies of the microsystems. For that purpose, the relationships between various Eigenfrequencies and the searched parameters are calculated by parameter variation analysis and the results of this analysis are approximated with appropriate functions. A Laser Doppler vibrometer based motion analyzer is used to determine the frequency response function of the micromechanical structure and extract Eigenfrequencies. The comparison of the measured and the calculated frequencies provides values for the searched parameters. The key element of the developed method is the measurement on special test structures that are placed in the wafer layout next to the actual microsystems and processed in the same technological process parallel to the actual microsystems. Algorithms for designing the test structures and their placement in the wafer layout are shown, taking into account the design of the actual microsystems and the function parameters of the technological process as well as material characteristics. As a result, a library of standard test structures for function relevant parameters is available. A general guideline for the measurement on the test structures is presented. The presented method is verified on various microsystems and extended to a whole class of microsystems with movable components
Stöckel, Chris. "Piezoelektrische Aluminiumnitrid-Dünnschichten für mikroelektromechanische Systeme." Doctoral thesis, Universitätsbibliothek Chemnitz, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-215293.
Повний текст джерелаThe thesis includes the design, the technology and the parameter identification of silicon-based microelectromechanical systems (MEMS) with piezoelectric thin film of aluminum nitride (AlN). A low-energy inertial sensor as technology demonstrator based on AlN as an electromechanical transducer a MEMS manufacturing process is shown. The AlN is deposited via a reactive sputtering on a growth layer. By varying parameters of the reactive sputtering and the growth layer of AlN, the piezoelectric properties can be optimized. The development of an overall technology results to an integration of the thin film AlNs in silicon micromechanics. X-ray diffraction (XRD) allows to qualify the crystal structure of AlN. Further methods are developed that enable a highly accurate and repeatable metrological determination of piezoelectric coefficients measurement structures. The determination of piezoelectric coefficients of the thin film AlN from the measurement structures is resulting from analytical methods and FE models and the laser Doppler vibrometry (LDV). The identification of the longitudinal and transverse piezoelectric charge coefficient of AlN is one main focus of this work. A uniaxial inertial sensor with an integrated piezoelectric thin film of AlN is presented as technology demonstrator. The piezoelectric transducer of the MEMS is generating electric charges intrinsically as reaction of mechanical stress. Thus, no electric power supply for the measurement of an inertial event is necessary. The presented demonstrator has been optimized with respect to its charge and voltage sensitivity. For a theoretical description analytical and FE and SPICE models are used. A characterization of the MEMS device is carried out with regard to the mechanical and electrical properties
Cassidy, Scott L. "Millimetre-wave FMCW radar for remote sensing and security applications." Thesis, University of St Andrews, 2015. http://hdl.handle.net/10023/7856.
Повний текст джерелаShaporin, Alexey. "Dynamic parameter identification techniques and test structures for microsystems characterization on wafer level." Doctoral thesis, Chemnitz Univ.-Verl, 2009. http://d-nb.info/1000815250/04.
Повний текст джерелаWildy, Stuart James. "Scanning laser doppler vibrometry for strain measurement and damage detection." Thesis, 2012. http://hdl.handle.net/2440/93519.
Повний текст джерелаThesis (Ph.D.) -- University of Adelaide, School of Mechanical Engineering, 2012
Venkatesh, Kadbur Prabhakar Rao. "Experimental Studies on Extremely Small Scale Vibrations of Micro-Scale Mechanical and Biological Structures." Thesis, 2017. http://etd.iisc.ernet.in/2005/3541.
Повний текст джерелаOberholster, Abraham Johannes. "The application of Eulerian laser Doppler vibrometry to the on-line condition monitoring of axial-flow turbomachinery blades." Thesis, 2010. http://hdl.handle.net/2263/25794.
Повний текст джерелаThesis (PhD)--University of Pretoria, 2010.
Mechanical and Aeronautical Engineering
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Hartmann, Michael [Verfasser]. "Intraoperative Messung der zerebralen Mikrozirkulation mittels Laser-Doppler-Scanning-Imager / vorgelegt von Michael Hartmann." 2005. http://d-nb.info/976744155/34.
Повний текст джерела