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Dissertations / Theses on the topic 'Infrareds'

Author: Grafiati

Published: 4 June 2021

Last updated: 6 February 2022

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1

El, Kantar Sally. "Valorisation des coproduits issus des industries d’agrumes : extraction des molécules bioactives par des technologies innovantes." Thesis, Compiègne, 2018. http://www.theses.fr/2018COMP2440/document.

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Ce travail de doctorat consiste à valoriser les coproduits issus des industries d’agrumes par des technologies innovantes. Le pressage des agrumes produit des millions de tonnes de déchets par an dans le monde. Ces déchets (peaux, pulpes et pépins) sont généralement dédiés à l’alimentation animale ou bien éliminés par compostage ou incinération. Cependant leur contenu en molécules bioactives conduit à plusieurs voies de valorisation. Vu que les peaux constituent à peu près la moitié de la masse des déchets d’agrumes, les études ont été faites sur la valorisation des peaux de différents types d

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2

Anacona, J. R. "Far infrared and mid infrared laser spectroscopy of free radicals." Thesis, University of Cambridge, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.304717.

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3

Thurairajah, Brentha. "Thermal infrared imaging of the atmosphere : the infrared cloud imager." Thesis, Montana State University, 2004. http://etd.lib.montana.edu/etd/2004/thurairajah/ThurairajahB04.pdf.

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4

Shelton, David. "TUNABLE INFRARED METAMATERIALS." Doctoral diss., University of Central Florida, 2010. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/3925.

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Metamaterials are engineered periodic composites that have unique refractive-index characteristics not available in natural materials. They have been demonstrated over a large portion of the electromagnetic spectrum, from visible to radiofrequency. For applications in the infrared, the structure of metamaterials is generally defined using electron-beam lithography. At these frequencies, the loss and dispersion of any metal included in the composite are of particular significance. In this regard, we investigate deviations from the Drude model due to the anomalous skin effect. For comparison wit

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5

Forde, Darren Andrew. "Infrared finite amplitudes." Thesis, Durham University, 2004. http://etheses.dur.ac.uk/3047/.

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Soft and collinear singularities, known collectively as infrared singularities here, plague the calculation of scattering amplitudes in gauge theories with massless particles such as QCD. The aim of this thesis is to describe methods of deriving amplitudes that are infrared finite and therefore do not suffer from this problem. We begin with an overview of scattering theory which includes a detailed discussion of the source of infrared singularities and outlines approaches that can be used to avoid them. Taking one of these approaches, namely that of dressed states, we give a detailed descripti

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6

Bristow, N. "Infrared laser chemistry." Thesis, University of Nottingham, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.353552.

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7

Pearson, Martin. "Synchrotron infrared microspectroscopy." Thesis, University of Nottingham, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.324753.

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8

Harmon, Robin Thomas. "The infrared sky." Thesis, University of Cambridge, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.303052.

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9

Lee, Colin K. "Infrared face recognition." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2004. http://library.nps.navy.mil/uhtbin/hyperion/04Jun%5FLee%5FColin.pdf.

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Thesis (M.S. in Electrical Engineering)--Naval Postgraduate School, June 2004.<br>Thesis advisor(s): Monique P. Fargues, Gamani Karunasiri. Includes bibliographical references (p. 135-136). Also available online.

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10

Hammer, Daniel Xavier. "Infrared detection in Melanophila acuminata." Access restricted to users with UT Austin EID Full text (PDF) from UMI/Dissertation Abstracts International, 2001. http://wwwlib.umi.com/cr/utexas/fullcit?p3032972.

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11

Vines, Peter. "Infrared detection and spectral imaging using low strain quantum mdot infrared photodetectors." Thesis, University of Sheffield, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.544176.

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12

Fairbarn, Kenneth G. Jr. "VISIBLENEAR INFRARED (VNIR) AND SHORTWAVE INFRARED (SWIR) SPECTRAL VARIABILITY OF URBAN MATERIALS." Monterey, California. Naval Postgraduate School, 2013. http://hdl.handle.net/10945/32816.

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The advent of relatively high spatial resolution hyperspectral imagery (HSI) provides a different perspective of the urban environment than lower spatial resolution hyperspectral data and either multispectral or panchromatic images. The objective of this thesis was to build and analyze a spectral library of urban materials and to understand how spectral variability affects the ability of classification algorithms to identify and discriminate various materials. The scope of the project was limited to non-vegetative impervious materials located on the Naval Postgraduate School campus. An airborn

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13

Etteh, Nkaepe Esoetok Ikpong. "Dark current models in mid- and far-infrared quantum well infrared photodetectors." Thesis, University of Leeds, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.400264.

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14

Valiante, Elisabetta. "High-redshift infrared galaxies." Diss., lmu, 2008. http://nbn-resolving.de/urn:nbn:de:bvb:19-91747.

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15

Lenggenhager, René. "CMOS thermoelectric infrared sensors /." [S.l.] : [s.n.], 1994. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=10744.

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16

Young, Alexander James, Casse Brian J. La, Patrick M. Kain, Setareh Madhoush, and Peter J. Pflibsen. "Uncooled Thermal Infrared Camera." Thesis, The University of Arizona, 2011. http://hdl.handle.net/10150/145107.

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17

Nichol, A. C. "Infrared spectroscopy of solids." Thesis, University of Oxford, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.308601.

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18

Summerfield, Stephen. "Near infrared fluorescence spectroscopy." Thesis, Loughborough University, 1993. https://dspace.lboro.ac.uk/2134/10601.

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Fluorimetry in the very near infrared region ca. 600-1000nm is a new approach to photochemical analysis. The advantages include greatly reduced background fluorescence signals from important sample matrices (such as blood serum), reduced scattering, and reduced probability of sample decomposition. Also, the availability of low cost, efficient, stable and robust optical components (e.g. laser diodes and light emitting diodes), solid state detectors (e.g. single silicon photodiodes and diode arrays) and fibre optics, allows the construction of an inexpensive fluorimeter. In the near infrared reg

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19

Jackman, J. "Pre-emptive infrared countermeasures." Thesis, Cranfield University, 2012. http://dspace.lib.cranfield.ac.uk/handle/1826/6935.

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The aim of this PhD is to investigate pre-emptive flare release compared to reactive flare release and their efficacy as a countermeasure device in the protection of fast jet and transport aircraft against the MANPAD threat. Implicit in this is to study the optimum release time of the flare decoy. Consequently, this also raises the question of whether flares of reduced payload size can be as effective as standard flares when released at this optimum time. To achieve these aims the initial step is to develop models for the different types of Man-Portable Air-Defence (MANPAD) systems and the IR

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20

Foulkes, Peter William. "Towards infrared image understanding." Thesis, University of Oxford, 1991. http://ora.ox.ac.uk/objects/uuid:5c4a198e-cd7b-4d40-a391-44afe05b43b9.

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An extensive literature survey has revealed that the majority of previous work in infrared image processing has ignored the processes leading to the formation of infrared images. Processing has normally either been restricted to simple lowlevel image enhancement convolutions or has consisted of algorithms copied from computer vision without regard for the inherent differences between infrared and visible images. In this thesis, we address the problem of infrared image formation and derive an irradiance equation for simple infrared scenes. We consider the complications caused by mutual illumina

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21

Morley-Fletcher, Mark. "Covariant infrared finite amplitudes." Thesis, Durham University, 2005. http://etheses.dur.ac.uk/2718/.

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The calculation of observables in gauge theories with massless particles such as QCD - by traditional methods is significantly complicated by the presence of soft and collinear singularities, collectively termed infrared divergences, in the scattering amplitudes. The aim of this thesis is to investigate calculational methods which produce finite results at the amplitude level. We discuss the origin of the infrared divergences and outline some previous approaches to constructing finite amplitudes. After reviewing the traditional method for performing calculations we see how incorrect assumption

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22

Ibbett, R. N. "Infrared diffuse reflectance spectroscopy." Thesis, University of East Anglia, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.382895.

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23

Moore, B. D. "Time-resolved infrared spectroscopy." Thesis, University of Nottingham, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.332449.

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24

Fox, Shaw Grant. "Infrared spectroscopy of surfaces." Thesis, Cardiff University, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.254609.

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25

Thorley, Antony M. "Infrared characterisation of semiconductors." Thesis, University of St Andrews, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.278212.

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26

Bello, K. A. "Near-infrared absorbing dyes." Thesis, University of Leeds, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.375504.

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27

Denham, Michael Charles. "Calibration in infrared spectroscopy." Thesis, University of Liverpool, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.316562.

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28

Forbes, Duncan Alan. "Galaxies in the infrared." Thesis, University of Cambridge, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.240127.

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29

Davis, Ian Howard. "Far-infrared laser spectroscopy." Thesis, University of Cambridge, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.306442.

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30

Beckett, Martin Gregory. "High resolution infrared imaging." Thesis, University of Cambridge, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.388828.

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31

Servoss, Thomas G. "Infrared symbolic scene comparator /." Online version of thesis, 1993. http://hdl.handle.net/1850/11725.

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32

Spyromilio, Jason. "Infrared spectroscopy of supernovae." Thesis, Imperial College London, 1989. http://hdl.handle.net/10044/1/47669.

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33

Han, Zhaohong Ph D. Massachusetts Institute of Technology. "Integrated infrared sensor platform." Thesis, Massachusetts Institute of Technology, 2017. http://hdl.handle.net/1721.1/108962.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Materials Science and Engineering, 2017.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 113-117).<br>Infrared spectrum, especially mid-infrared range (2.512tm) covers the absorption peaks of many important chemicals including carbon monoxide, methane and water vapor. By analyzing the absorption spectrum of achemical, one can measure the concentration of the chemicals as well as distinguish the chemical species. The purpose of this work is to build a Si CMOS compatible integrated mid-inf

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34

Gemmell, Nathan Robert. "Infrared single photon sensing." Thesis, Heriot-Watt University, 2015. http://hdl.handle.net/10399/2981.

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35

Yoshioka, Koichi. "Infrared Fixed Point Physics." 京都大学 (Kyoto University), 2000. http://hdl.handle.net/2433/181116.

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36

Hollingworth, Andrew Roy. "Semiconductor optoelectronic infrared spectroscopy." Thesis, University of Surrey, 2001. http://epubs.surrey.ac.uk/842674/.

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We use spectroscopy to study infrared optoelectronic inter and intraband semiconductor carrier dynamics. The overall aim of this thesis was to study both III-V and Pb chalcogenide material systems in order to show their future potential use in infrared emitters. The effects of bandstructure engineering have been studied in the output characteristics of mid-IR III-V laser diodes to show which processes (defects, radiative, Auger and phonon) dominate and whether non-radiative processes can be suppressed. A new three-beam pump probe experiment was used to investigate interband recombination direc

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37

Moreau, David. "Infrared stimulation of neurons." Thesis, Limoges, 2017. http://www.theses.fr/2017LIMO0050/document.

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L’exposition aux radiations laser infrarouge peut être utilisée afin de dépolariser des neurones et stimuler l’activité neuronale. Le mécanisme sous-jacent d’une telle stimulation est supposé résulter d’une interaction photothermique. En effet, l’absorption de la radiation infrarouge par le tissu biologique cible, et l’eau qu’il contient, induit une augmentation de température de manière localisée, qui soit influencerait directement les propriétés membranaires de la cellule soit agirait par le biais de l’activation de canaux ioniques thermo-sensibles. Dans la plupart des cas, l’activité électr

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38

Padhye, Anuja Arun. "Novel continuous-wave infrared parametric sources and noise analysis of infrared upconversion detectors." Doctoral thesis, Universitat Politècnica de Catalunya, 2020. http://hdl.handle.net/10803/669321.

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The ability to manipulate frequency of light, through parametric frequency conversion sources based on X(2) nonlinear materials, offers an effective route to spectral regions unapproachable by conventional lasers. Most importantly, three-wave mixing processes provide tunable coherent radiation over a broad spectral range. Among the most important tunable devices, narrow linewidth continuous-wave (cw) infrared (IR) optical parametric oscillators (OPOs) are indispensable excitation sources for many applications in molecular spectroscopy and precision metrology. In order to exploit such applica

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39

Dehlin, Jonas, and Joakim Löf. "Dynamic Infrared Simulation : A Feasibility Study of a Physically Based Infrared Simulation Model." Thesis, Linköping University, Department of Electrical Engineering, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-7993.

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<p>The increased usage of infrared sensors by pilots has created a growing demand for simulated environments based on infrared radiation. This has led to an increased need for Saab to refine their existing model for simulating real-time infrared imagery, resulting in the carrying through of this thesis. Saab develops the Gripen aircraft, and they provide training simulators where pilots can train in a realistic environment. The new model is required to be based on the real-world behavior of infrared radiation, and furthermore, unlike Saab's existing model, have dynamically changeable attribute

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40

Ralph, Gary M. "Characterization of the radiometric performance of an IR scene projector /." Online version of thesis, 1994. http://hdl.handle.net/1850/11973.

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41

Brown, Bronchae M. Schulz Brian L. P. "The effects of the joint multi-mission electro-optical system on littoral maritime Intelligence, Surveillance, and Reconnaissance operations." Monterey, California : Naval Postgraduate School, 2009. http://edocs.nps.edu/npspubs/scholarly/theses/2009/Sep/09Sep%5FBrown.pdf.

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Thesis (M.S. in Information Warfare Systems Engineering)--Naval Postgraduate School, September 2009.<br>Thesis Advisor(s): last name, first name ; "September 2009." Description based on title screen as viewed on November 05, 2009. Author(s) subject terms: Infrared, Electro-optic, Joint Capability Technology Demonstration, Intelligence Surveillance and Reconnaissance, Modeling and Simulation Includes bibliographical references (p. 141-144). Also available in print.

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42

Warnick, James S. "A quantitative analysis of a self-emitting thermal IR scene simulation system /." Online version of thesis, 1990. http://hdl.handle.net/1850/10845.

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43

Bhaskar, Ranjit. "A study of techniques to improve the effective resolution of thematic mapper thermal infrared imagery /." Online version of thesis, 1993. http://hdl.handle.net/1850/11353.

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44

Wruck, Eric Michael. "Applying near-infrared spectroscopy (nirs)." Texas A&M University, 2005. http://hdl.handle.net/1969.1/2386.

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Over recent decades, much has been learned about the perceptual capacity that enables infants to recognize and understand language. However, not until very recently have the neural mechanisms that are the substance of language learning been investigated. A recently developed optical imaging technique called near-infrared spectroscopy (NIRS) shows promise for being an acceptable alternative to invasive imaging techniques. NIRS measures correlates of neural activity by assessing hemoglobin concentration changes in the infant brain. The research presented here investigates neural activation in th

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45

McFarland, Elizabeth Gramling. "Infrared absorption characteristics of fabrics." Thesis, Georgia Institute of Technology, 1998. http://hdl.handle.net/1853/10185.

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46

Ozugur, Timucin. "Advanced infrared local area networks." Diss., Georgia Institute of Technology, 2000. http://hdl.handle.net/1853/13542.

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47

Hamdan, Abdullah. "Infrared spectroscopy of methane dimer." [S.l.] : [s.n.], 2005. http://deposit.ddb.de/cgi-bin/dokserv?idn=978829921.

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48

Pakravan, Mohammad Reza. "Indoor infrared wireless communication channels." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape4/PQDD_0016/NQ57061.pdf.

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49

Rochat, Michel. "Far-infrared quantum cascade lasers." Online version, 2002. http://bibpurl.oclc.org/web/24095.

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50

Jones, Julia Craven. "Infrared Hyperspectral Imaging Stokes Polarimeter." Diss., The University of Arizona, 2011. http://hdl.handle.net/10150/145409.

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This work presents the design, development, and testing of a field portable imaging spectropolarimeter that operates over the short-wavelength and middle-wavelength portion of the infrared spectrum. The sensor includes a pair of sapphire Wollaston prisms and several high order retarders to produce the first infrared implementation of an imaging Fourier transform spectropolarimeter, providing for the measurement of the complete spectropolarimetric datacube over the passband. The Wollaston prisms serve as a birefringent interferometer with reduced sensitivity to vibration when compared to an une

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