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Dissertations / Theses on the topic 'Infrared radiometry'

Author: Grafiati

Published: 4 June 2021

Last updated: 7 February 2022

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1

Griffioen, Jan Arie. "Temperature measurements in tribocontacts by means of infrared radiometry." Diss., Georgia Institute of Technology, 1985. http://hdl.handle.net/1853/16810.

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2

Vellacott, Timothy John. "Radiometry of the atmosphere of Mars." Thesis, University of Oxford, 1992. http://ora.ox.ac.uk/objects/uuid:d400c250-1068-411c-ad9d-d1edcc6cfbfb.

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This thesis is concerned with a project to apply the method of pressure modulation radiometry to measurements of the temperature and water vapour distributions in the atmosphere of Mars. The technique has already been used successfully to measure temperature (and occasionally composition) in the atmospheres of Earth and Venus. Two pressure modulators, containing carbon dioxide and water vapour respectively, are used in the Pressure Modulator Infrared Radiometer (PMIRR), on the payload of Mars Observer, scheduled for launch in September 1992. The composition of the Martian atmosphere is almost

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3

Wright, Robert. "Infrared satellite studies of Mount Etna volcano, 1991 to 1999." Thesis, Open University, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.301881.

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4

Berg, Elliott Philip. "High-speed focal plane array camera for mid-infrared impulse photothermal radiometry." Thesis, London South Bank University, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.367903.

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5

Hemmer, Friederike. "Characterization of cirrus clouds from ground-based remote sensing using the synergy of lidar and multi-spectral infrared radiometry." Thesis, Lille 1, 2018. http://www.theses.fr/2018LIL1R050/document.

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Il est maintenant bien établi que les cirrus ont un impact important sur le climat. Cependant, l'estimation de cet effet est difficile car notre connaissance des propriétés microphysiques de ce type de nuage est encore incertaine. L'objectif de cette thèse est donc d’améliorer notre compréhension de la microphysique complexe du cirrus composé principalement de cristaux de glace de forme irrégulière et d'estimer ainsi un contenu en glace (ice water content, IWC) plus précis. Pour cela, nous avons développé un algorithme permettant de restituer le profil vertical d'IWC du cirrus. La méthodologie

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6

Dandini, Paolo. "Cirrus occurrence and properties determined from ground-based remote sensing." Thesis, University of Hertfordshire, 2017. http://hdl.handle.net/2299/17860.

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The ultimate application of this work is constraining the optical properties of cirrus particles, which are poorly understood, by providing an automatic method, using all-sky cameras and an infrared radiometer, to identify the occurrence of the 22° halo formed by cirrus. This is done by interpreting all sky images in terms of a scattering phase function (SPF), from which the halo ratio (HR) is calculated, and by implementing a cirrus detection algorithm to associate HR measures to ice cloud occurrences. Cirrus reflectivity at solar wavelengths is inversely related to the HR which, being an ind

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7

Smith, Graeme John, and University of Lethbridge Faculty of Arts and Science. "An infrared radiometer for millimeter astronomy." Thesis, Lethbridge, Alta. : University of Lethbridge, Faculty of Arts and Science, 2000, 2000. http://hdl.handle.net/10133/122.

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The performance of existing and planned millimeter and submillimeter astronomical arrays is limited by fluctuations in the amount of atmosperic water vapor along the atenna's line of sight. Correcting the resulting phase distortion of the received signals is seen as a significant technological challenge. Measurements of the variation in the line-of-sight water vapor abundance at the level of 1 micron precipitable water vapor on a time scale of 1 second and at arbitrary antenna positions are required. This thesis describes the design of, and preliminary results obtained with, a water vapor mon

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8

Smith, Graeme John. "An infrared radiometer for millimeter astronomy." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/mq61045.pdf.

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9

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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10

Retief, Stephanus Johannes Paulus. "Solving inverse radiometric problems arising from infrared recordings." Thesis, University of Pretoria, 2018. http://hdl.handle.net/2263/65306.

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The work presented in this thesis arose from the requirement in the military environment to obtain infrared radiation source/signature values of target objects usually of interest to infrared missiles under development. In situ measurements made of such objects are typically over a range of 100–3000 m and are influenced by the environment and by the instrument itself; the need therefore exists for measurement methods and data reduction techniques that incorporate corrections of these unwanted influences on the observed radiation. In this thesis, a measurement equation describing the infrared

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11

Atay, Yagmur. "Temperature Estimation Studies On Infrared Images Using Radiometric Approaches." Master's thesis, METU, 2011. http://etd.lib.metu.edu.tr/upload/12613570/index.pdf.

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In this thesis work, temperature estimation algorithms based on physical and radiometric approaches are developed. Developed algorithms, firstly, tested on artificial images for different test cases. Following this, algorithms are tried out on real infrared images in order to verify that they are working properly. Finally, temperature estimations are done by including emissivity. Obtained results are compared to the temperature estimation results of a reference infrared camera. All the results and errors obtained during this study are presented and discussed.

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12

Danjoux, Raphaël. "Radiometrie photothermique sous excitation pulsee : application a des materiaux composites et a des toles d'acier emaillees." Reims, 1988. http://www.theses.fr/1988REIMS005.

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Elaboration d'un modele theorique de la radiometrie photothermique dans le cas d'une structure bicouche. Ce modele prend en compte la semitransparence et la diffusion du rayonnement incident et permet d'apprecier l'influence des parametres importants (coefficient d'absorption, resistance de contact, pertes en face avant, coefficient de diffusion, coefficient de reflexion a l'interface des deux couches). Realisation d'un logiciel de calcul. Mise aux point de deux dispositifs experimentaux

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13

Buyuksalih, Gurcan. "Geometric and radiometric calibration of video infrared imagers for photogrammetric applications." Thesis, University of Glasgow, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.284703.

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14

Schofield, Ian Sean, and University of Lethbridge Faculty of Arts and Science. "The IRMA III control and communication system." Thesis, Lethbridge, Alta. : University of Lethbridge, Faculty of Arts and Science, 2005, 2005. http://hdl.handle.net/10133/277.

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The IRMA III infrared radiometer is a passive atmospheric water vapor detector designed for use with interferometric submillimeter arrays as a method of phase correction. The IRMA III instrument employs a distributed, multi-tasking software control system permitting precise fine-grained control at remote locations over a low-bandwidth network connection. IRMA's software is divided among three processors tasked with performing three primary functions: command interpretation, data collection and motor control of IRMA's Alt-Az mount. IRMA's hardware control and communication functionality is base

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15

Stern, Ilana Rachel. "Comparison of model infrared and solar fluxes with aircraft-based radiometer measurements." Thesis, Massachusetts Institute of Technology, 1988. http://hdl.handle.net/1721.1/57926.

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Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Earth, Atmosphere and Planetary Sciences, 1988.<br>Title as it appears in M.I.T. Graduate List, Sept. 1988: Comparison of model solar and infrared fluxes with aircraft-based radiometer measurements.<br>Includes bibliographical references.<br>by Ilana Rachel Stern.<br>M.S.

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16

Mason, Graeme. "Test and calibration of the Along Track Scanning Radiometer, a satellite-borne infrared radiometer designed to measure sea surface temperature." Thesis, University of Oxford, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.293406.

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17

Querel, Richard Robert, and University of Lethbridge Faculty of Arts and Science. "IRMA calibrations and data analysis for telescope site selection." Thesis, Lethbridge, Alta. : University of Lethbridge, Faculty of Arts and Science, 2007, 2007. http://hdl.handle.net/10133/675.

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Our group has developed a 20 μm passive atmospheric water vapour monitor. The Infrared Radiometer for Millimetre Astronomy (IRMA) has been commissioned and deployed for site testing for the Thirty Meter Telescope (TMT) and the Giant Magellan Telescope (GMT). Measuring precipitable water vapour (PWV) requires both a sophisticated atmospheric model (BTRAM) and an instrument (IRMA). Atmospheric models depend on atmospheric profiles. Most profiles are generic in nature, representing only a latitude in some cases. Site-specific atmospheric profiles are required to accurately simulate the atmosphere

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18

Dahl, Regan Eugene, and University of Lethbridge Faculty of Arts and Science. "Optimisation of the instrumental performance of IRMA." Thesis, Lethbridge, Alta. : University of Lethbridge, Faculty of Arts and Science, 2008, 2008. http://hdl.handle.net/10133/682.

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The Infrared Radiometer for Millimetre Astronomy (IRMA) is a passive atmospheric water vapour monitor developed at the University of Lethbridge. It is a compact, robust, and autonomous instrument, which is capable of being operated remotely. The latest model is based on a PC/104 running an AMD 133 MHz SC520 processor, which allows for more flexible control of the unit. The modifications and upgrades to the software required for the transition to this new platform are discussed in this thesis. In addition to software optimisation, a new calibration method has been developed as the unit has beco

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19

Li, Li. "Differential infrared radiometer-based thermometric instrument for non-contact temperature and friction measurements." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/MQ58841.pdf.

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20

Bazkir, Ozcan. "Realization Of Detector Based Spectral Responsivity Scale From Ultraviolet To Near Infrared Regions Of Electromagnetic Spectrum." Phd thesis, METU, 2004. http://etd.lib.metu.edu.tr/upload/2/12605148/index.pdf.

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Realization of spectral responsivity scale was studied in three stages. Firstly, absolute optical power measurements using Electrical Substitution Cryogenic Radiometer (ESCR) was studied. The absolute measurements were done at discrete laser wavelengths of tunable Ar+ (488 nm and 514.5 nm), Nd:YAG (532 nm) and fixed He-Ne (632.8 nm) laser sources. To increase measurement accuracy the method used for the stabilization of laser beams, transmittance measurements of optical windows, and minimization of scattered beams were discussed. Secondly, realization of absolute responsivity scale between 3

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21

Fletcher, Lauren. "A compact borehole, thermal-infrared radiometer and infrared reflectometer for the characterization of subsurface habitability and presence of water ice on Mars." Thesis, University of Oxford, 2016. https://ora.ox.ac.uk/objects/uuid:46be93ab-9f05-427f-bebd-4ffcb6f4a154.

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One of the most important steps in the search for life on Mars is to determine if a specific sub-surface location it is "habitable", or that it provides the conditions and requirements to support life as we know it. In this thesis, I present a miniature, thermal-IR radiometer and reflectometer designed to determine temperature, the presence of water ice, and the discrimination of minerals, all necessary for a habitable environment. A dual use detector was selected for the thermal and five reflectance channels. The IR source is provided by five LEDs. These components were embedded in a thermall

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22

Montanaro, Matthew. "Radiometric modeling of mechanical draft cooling towers to assist in the extraction of their absolute temperature from remote thermal imagery /." Online version of thesis, 2009. http://hdl.handle.net/1850/9667.

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23

Liao, Wen-Jiao. "Physics-based radiometric signature modeling and detection algorithms of land mines using electro-optical sensors." Columbus, Ohio : Ohio State University, 2003. http://rave.ohiolink.edu/etdc/view?acc%5num=osu1064252075.

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Thesis (Ph. D.)--Ohio State University, 2003.<br>Title from first page of PDF file. Document formatted into pages; contains xxii, 255 p. : ill. (some col.). Advisors: Joel T. Johnson and Brian A. Baertlein, Dept. of Electrical Engineering. Includes bibliographical references (p. 247-255).

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24

Marquis, Jared Wayne. "Estimating optically-thin cirrus cloud induced cold bias on infrared radiometric satellite sea surface temperature retrieval in the tropics." Thesis, The University of North Dakota, 2016. http://pqdtopen.proquest.com/#viewpdf?dispub=10163609.

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<p> Passive longwave infrared radiometric satellite-based retrievals of sea surface temperature (SST) at instrument nadir are investigated for cold bias caused by unscreened optically-thin cirrus (OTC) clouds (cloud optical depth ≤ 0.3; COD). Level 2 split-window SST retrievals over tropical oceans (30° S - 30° N) from Moderate Resolution Imaging Spectroradiometer (MODIS) radiances collected aboard the NASA Aqua satellite (Aqua-MODIS) are collocated with cloud profiles from the Cloud-Aerosol Lidar with Orthogonal Polarization (CALIOP) instrument, mounted on the independent NASA CALI

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25

Thomas, Ian Richard. "Measurement of properties of the lunar surface using the Diviner Lunar Radiometer experiment on the NASA Lunar Reconnaissance Orbiter." Thesis, University of Oxford, 2011. http://ora.ox.ac.uk/objects/uuid:33eafce3-fe40-4068-b62e-0bb0f216173a.

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The Diviner Lunar Radiometer is a nine-channel radiometer on board the Lunar Reconnaissance Orbiter, launched in June 2009 and currently orbiting the Moon. Diviner is the first orbiting multi-spectral instrument to observe the lunar surface in the mid- and far- infrared, therefore this thesis details the first steps towards utilising observations in this new spectral region. The author, as part of the Diviner instrument team, contributed to the pre-launch testing and calibration of Diviner. Specifically, the transmission profiles of the B2 and B3 filters, which could not be measured after inte

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26

Shen, Fengjiao. "Development of a laser heterodyne radiometer for atmospheric remote sensing." Thesis, Littoral, 2019. http://www.theses.fr/2019DUNK0542.

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La mesure des profils verticaux de concentration de traces de gaz atmosphériques permet de mieux comprendre la pollution de l'air, la destruction de l'ozone et le changement climatique. Elle permet aussi de valider les modèles chimiques proposés et les observations par satellite. À ce titre, le Radiomètre Hétérodyne Laser (RHL) offre des avantages certains en termes de résolution spectrale, de sensibilité et de résolution verticale élevées. Sa taille relativement compacte, permettant un déploiement pour des applications sur le terrain, est un atout supplémentaire. L'objectif de cette thèse con

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27

Khosravian, Ghadikolaei Kobra [Verfasser], Ulrich [Gutachter] Löhnert, Andreas [Gutachter] Wagner, and David D. [Gutachter] Turner. "CO2 Profiling in the Lower Troposphere using a High Spectral Resolution Infrared Radiometer / Kobra Khosravian Ghadikolaei ; Gutachter: Ulrich Löhnert, Andreas Wagner, David D. Turner." Köln : Universitäts- und Stadtbibliothek Köln, 2017. http://d-nb.info/1169301487/34.

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28

Royer, Clément. "Etude des performances des spectromètres miniatures infrarouge à base d'AOTF Pre-launch radiometric calibration of the infrared spectrometer onboard SuperCam for the Mars2020 rover." Thesis, université Paris-Saclay, 2020. http://www.theses.fr/2020UPASP085.

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Depuis une vingtaine d'années, la spectroscopie de réflectance proche-infrarouge appliquée à la planétologie a révolutionné notre vision des surfaces planétaires, grâce notamment à la découverte de phyllosilicates à la surface de Mars par les instruments OMEGA (Observatoire pour la Minéralogie, l'Eau, les Glaces et l'Activité) à bord de la sonde européenne Mars Express, et CRISM (Compact Reconnaissance Infrared Spectrometer for Mars) embarqué sur la sonde Mars Reconnaissance Orbiter, en 2005 et 2007. Ces deux missions spatiales ont ouvert la voie à l'étude approfondie de toutes les surfaces pl

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29

Roudini, Sepehr. "Detecting nighttime fire combustion phase by hybrid application of visible and infrared radiation from Suomi NPP VIIRS." Thesis, University of Iowa, 2019. https://ir.uiowa.edu/etd/7022.

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An accurate estimation of biomass burning emissions is in part limited by the lack of knowledge of fire burning phase (smoldering/flaming). In recent years, several fire detection products have been developed to provide information of fire radiative power (FRP), location, size, and temperature of fire pixels, but no information regarding fire burning phase is retrieved. The Day-Night band (DNB) aboard Visible Infrared Imaging Radiometer Suite (VIIRS) is sensitive to visible light from flaming fires in the night. In contrast, VIIRS 4 µm moderate resolution band #13 (M13), though capable to dete

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30

Kim, Jungho. "In Vitro Examination of Secondary Caries Using Infrared Photothermal Radiometry and Modulated Luminescence." Thesis, 2012. http://hdl.handle.net/1807/32252.

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Dental secondary caries is the carious lesion developed around existing restoration margins. Many new technologies have been developed for caries detection purposes, but their performance is unsatisfactory for the specific purpose of secondary caries diagnosis. Therefore, the development of a novel technology to detect secondary caries has been highly necessary. The objective of this research was to investigate the ability of photothermal radiometry and modulated luminescence to detect secondary caries: wall lesions and outer lesions. Changes in experimental PTR-LUM signals due to sequential d

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31

Tsai, Chin-Fu, and 蔡錦福. "Study of The Radiometry Combining Multi-band Infrared and Ultraviolet Techniquesfor Forecasting Fires." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/68083710998618704663.

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博士<br>國立成功大學<br>電機工程學系碩博士班<br>94<br>ABSTRACT Conventional fire detectors must contact these targets (heat or smoke) and, consequently, respond slowly. This study proposes several approaches that use the radiation-sensing technologies to detect fire. Although multi-sensor-based fire alarm systems have been developed as automatic fire detection technologies, only two or three fire signatures are insufficient for fires recognition. The study presents a novel system that remotely and accurately monitors the variance in an object’s temperature and identifies fire by applying multi-infrared and ult

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32

Vicente, Gilberto Alves. "Hourly retrieval of precipitation rate from the combination of passive microwave and infrared satellite radiometric measurements." 1994. http://catalog.hathitrust.org/api/volumes/oclc/32060782.html.

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33

Dörr, Peter [Verfasser]. "Numerische Methoden für die Infrarot-Radiometrie am Beispiel der Lackschichtdickenbestimmung / Peter Dörr." 2011. http://d-nb.info/1009591673/34.

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34

Brueske, Kurt Frederick. "Estimates of daily evapotranspiration over the Amazon Basin using Geostationary Operational Environmental Satellite (GOES 7) Visible and Infrared Spin Scan Radiometer Atmospheric Sounder (VAS) data." 1990. http://catalog.hathitrust.org/api/volumes/oclc/22884821.html.

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Thesis (M.S)--University of Wisconsin--Madison, 1990.<br>Typescript. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 98-102).

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