Academic literature on the topic 'Wave imaging'

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Journal articles on the topic "Wave imaging"

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Lee, Tae-Hun, and Dong-Ryul Kwak. "Phased Array Ultrasonic Imaging using Plane Wave Imaging Technique." JOURNAL OF THE KOREAN SOCIETY FOR NONDESTRUCTIVE TESTING 39, no. 6 (2019): 342–50. http://dx.doi.org/10.7779/jksnt.2019.39.6.342.

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Liu, Zhi-Ying, Ping Zhang, Bi-Xing Zhang, and Wen Wang. "Multi Spherical Wave Imaging Method Based on Ultrasonic Array." Sensors 22, no. 18 (2022): 6800. http://dx.doi.org/10.3390/s22186800.

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The imaging range of traditional plane wave imaging is usually limited by the directivity of the plane wave. In this paper, a multi spherical wave imaging method based on an ultrasonic array is proposed, which radiates both compression and shear waves in a solid medium to form the multi spherical wave. Firstly, excitation characteristics of the multi spherical wave are analyzed theoretically and the calculation method of echo delay of multi spherical wave imaging is derived. Multi spherical wave imaging is compared with conventional ultrasonic plane wave imaging by designing experiments. Compa
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Tang, Xiao-Ming, and Douglas J. Patterson. "Single-well S-wave imaging using multicomponent dipole acoustic-log data." GEOPHYSICS 74, no. 6 (2009): WCA211—WCA223. http://dx.doi.org/10.1190/1.3227150.

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Single-well S-wave imaging has several attractive features because of its directional sensitivity and usefulness for fracture characterization. To provide a method for single-well acoustic imaging, we analyzed the effects of wave radiation, reflection, and borehole acoustic response on S-wave reflection measurements from a multicomponent dipole acoustic tool. A study of S-wave radiation from a dipole source and the wave’s reflection from a formation boundary shows that the S-waves generated by a dipole source in a borehole have a wide radiation pattern that allows imaging of reflectors at vari
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Steiner, Brian, Erik H. Saenger, and Stefan M. Schmalholz. "Time-reverse imaging with limited S-wave velocity model information." GEOPHYSICS 76, no. 5 (2011): MA33—MA40. http://dx.doi.org/10.1190/geo2010-0303.1.

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Time-reverse imaging is a wave propagation algorithm for locating sources. Signals recorded by synchronized receivers are reversed in time and propagated back to the source location by elastic wavefield extrapolation. Elastic wavefield extrapolation requires a P-wave as well as an S-wave velocity model. The velocity models available from standard reflection seismic methods are usually restricted to only P-waves. In this study, we use synthetically produced time signals to investigate the accuracy of seismic source localization by means of time-reverse imaging with the correct P-wave and a pert
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Rajput, Sanjeev, and Michael Ring. "Examining the processing differences between P and P-S waves in a Rocky Mountain Foothills model." APPEA Journal 54, no. 2 (2014): 504. http://dx.doi.org/10.1071/aj13077.

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For the past two decades, most of the shear-wave (S-wave) or converted wave (P-S) acquisitions were performed with P-wave source by making the use of downgoing P-waves converting to upgoing S-waves at the mode conversion boundaries. The processing of converted waves requires studying asymmetric reflection at the conversion point, difference in geometries and conditions of source and receiver, and the partitioning of energy into orthogonally polarised components. Interpretation of P-S sections incorporates the identification of P-S waves, full waveform modeling, correlation with P-wave sections
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Rajput, Sanjeev, and Michael Ring. "Examining the processing differences between P and P-S waves in a Rocky Mountain Foothills model." APPEA Journal 54, no. 2 (2014): 536. http://dx.doi.org/10.1071/aj13109.

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For the past two decades, most of the shear-wave (S-wave) or converted wave (P-S) acquisitions were performed with P-wave source by making the use of downgoing P-waves converting to upgoing S-waves at the mode conversion boundaries. The processing of converted waves requires studying asymmetric reflection at the conversion point, difference in geometries and conditions of source and receiver, and the partitioning of energy into orthogonally polarised components. Interpretation of P-S sections incorporates the identification of P-S waves, full waveform modeling, correlation with P-wave sections
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Zhang, Xinan. "Passive millimeter wave imaging low altitude detection technology." Applied and Computational Engineering 62, no. 1 (2024): 211–17. http://dx.doi.org/10.54254/2755-2721/62/20240429.

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Passive millimeter wave imaging refers to the passive detection of naturally occurring background millimeter waves. After receiving external millimeter wave thermal radiation signals, the passive millimeter wave detection system will form images based on temperature differences and detect targets. Passive millimeter wave imaging has the advantages of non-radiation, non-contact, perspective imaging, good concealment, small size, and low power consumption. It is widely used in safety inspections, aircraft landing, low visibility navigation, sea surface detection and other fields. Driven by high
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Fan, Liexiang. "SHEAR WAVE IMAGING." Journal of the Acoustical Society of America 132, no. 6 (2012): 4100. http://dx.doi.org/10.1121/1.4770456.

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Luther, Stefan. "Electromechanical Wave Imaging." JACC: Clinical Electrophysiology 11, no. 4 (2025): 682–84. https://doi.org/10.1016/j.jacep.2025.02.043.

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BAL, GUILLAUME, and OLIVIER PINAUD. "IMAGING USING TRANSPORT MODELS FOR WAVE–WAVE CORRELATIONS." Mathematical Models and Methods in Applied Sciences 21, no. 05 (2011): 1071–93. http://dx.doi.org/10.1142/s0218202511005258.

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We consider the imaging of objects buried in unknown heterogeneous media. The medium is probed by using classical (e.g. acoustic or electromagnetic) waves. When heterogeneities in the medium become too strong, inversion methodologies based on a microscopic description of wave propagation (e.g. a wave equation or Maxwell's equations) become strongly dependent on the unknown details of the heterogeneous medium. In some situations, it is preferable to use a macroscopic model for a quantity that is quadratic in the wave fields. Here, such macroscopic models take the form of radiative transfer equa
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Dissertations / Theses on the topic "Wave imaging"

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Valenciano, Alejandro A. "Imaging by wave-equation inversion /." May be available electronically:, 2008. http://proquest.umi.com/login?COPT=REJTPTU1MTUmSU5UPTAmVkVSPTI=&clientId=12498.

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Wintz, Timothée. "Super-resolution in wave imaging." Thesis, Paris Sciences et Lettres (ComUE), 2017. http://www.theses.fr/2017PSLEE052/document.

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Les différentes modalités d’imagerie par ondes présentent chacune des limitations en termes de résolution ou de contraste. Dans ce travail, nous modélisons l’imagerie ultrasonore ultrarapide et présentons des méthodes de reconstruction qui améliorent la précision de l’imagerie ultrasonore. Nous introduisons deux méthodes qui permettent d’augmenter le contraste et de mesurer la position super-résolue et la vitesse dans les vaisseaux sanguins. Nous présentons aussi une méthode de reconstruction des paramètres microscopiques en tomographie d’impédance électrique en utilisant des mesures multifréq
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Alomari, Zainab Rami Saleh. "Plane wave imaging beamforming techniques for medical ultrasound imaging." Thesis, University of Leeds, 2017. http://etheses.whiterose.ac.uk/18127/.

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In ultrasound array imaging, the beamforming operation is performed by aligning and processing the received echo signals from each individual array element to form a complete image. This operation can be performed in many different ways, where adaptive and non-adaptive beamformers are considered as the main categories. Adaptive beamformers exploit the statistical correlation between the received data to find a weighting value at the focal point, instead of using a fixed weighting window in non-adaptive beamforming. This results in a significant improvement in the image quality in terms of reso
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Schuetz, Christopher Arnim. "Optical techniques for millimeter-wave detection and imaging." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file, 179 p, 2007. http://proquest.umi.com/pqdweb?did=1397913011&sid=3&Fmt=2&clientId=8331&RQT=309&VName=PQD.

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Nova, Lavado Enrique. "Millimeter-wave and terahertz imaging techniques." Doctoral thesis, Universitat Politècnica de Catalunya, 2013. http://hdl.handle.net/10803/129466.

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This thesis presents the development and assessment of imaging techniques in the millimeterwave (mmW) and terahertz frequency bands. In the first part of the thesis, the development of a 94 GHz passive screener based on a total-power radiometer (TPR) with mechanical beamscanning is presented. Several images have been acquired with the TPR screener demonstrator, either in indoor and outdoor environments, serving as a testbed to acquire the know-how required to perform the research presented in the following parts of the thesis. In the second part of the thesis, a theoretical research on the pe
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Baylosis, Benito E. "Acoustic imaging of ultrasonic wave propagation." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1994. http://handle.dtic.mil/100.2/ADA290390.

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Alexander, Naomi Ellen. "Millimetre-wave imaging and restoration techniques." Thesis, University of Reading, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.419819.

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Lévesque, Sylvain. "Acoustical imaging using wave propagation tomography." Thesis, Massachusetts Institute of Technology, 1993. http://hdl.handle.net/1721.1/106041.

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Macfarlane, David G. "Close range passive millimetre wave imaging." Thesis, University of St Andrews, 2003. http://hdl.handle.net/10023/6482.

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This thesis describes the design and construction of a close range Passive Millimetre Wave (PMMW) scanning thermal imager. Whilst close range PMMW imager has previously been applied to concealed weapon detection at ranges of a few metres, the imager described herein is designed to focus on targets at a range of a few tens of centimetres. In particular, the main design aim was to produce higher resolution thermal maps suitable for medical imaging applications. Imaging at MMW frequencies offers greater penetration depths in lossy dielectric media than conventional infrared imagers, although ther
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Kasilingam, Dayalan P. Rutledge David B. "Topics in millimeter-wave imaging arrays /." Diss., Pasadena, Calif. : California Institute of Technology, 1987. http://resolver.caltech.edu/CaltechETD:etd-03012008-134009.

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Books on the topic "Wave imaging"

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Provost, Jean. Electromechanical Wave Imaging. [publisher not identified], 2012.

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Wilson, William J. Millimeter-wave imaging sensor data evaluation. Jet Propulsion Laboratory, 1987.

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Baylosis, Benito E. Acoustic imaging of ultrasonic wave propagation. Naval Postgraduate School, 1994.

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J, Wilson William. Millimeter-wave imaging sensor data evaluation. Jet Propulsion Laboratory, 1987.

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Wilson, William J. Millimeter-wave imaging sensor data evaluation. Jet Propulsion Laboratory, 1987.

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Wilson, William J. Millimeter-wave imaging sensor data evaluation. Jet Propulsion Laboratory, 1987.

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M, Smith Roger, and Society of Photo-optical Instrumentation Engineers., eds. Passive millimeter-wave imaging technology II: 13 April 1998, Orlando, Florida. SPIE, 1998.

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Gao, Fei. Multi-wave Electromagnetic-Acoustic Sensing and Imaging. Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-3716-0.

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Wolfe, J. P. Imaging phonons: Acoustic wave propagation in solids. Cambridge University Press, 1998.

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Wilson, William J. Millimeter-wave sensor image enhancement. National Aeronautics and Space Administration, 1988.

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Book chapters on the topic "Wave imaging"

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Konofagou, Elisa. "Electromechanical Wave Imaging." In Cardiac Mapping. John Wiley & Sons, Ltd, 2019. http://dx.doi.org/10.1002/9781119152637.ch85.

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Ash, Eric A., Yves Martin, and Stephen Sheard. "Acoustic and Thermal Wave Microscopy." In Acoustical Imaging. Springer US, 1985. http://dx.doi.org/10.1007/978-1-4613-2523-9_31.

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Brand, Hans H. "Fast Millimeter Wave Imaging." In Inverse Methods in Electromagnetic Imaging. Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-009-5271-3_16.

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Brand, Hans H. "Fast Millimeter Wave Imaging." In Inverse Methods in Electromagnetic Imaging. Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-010-9444-3_55.

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Newman, Jay. "Imaging Using Wave Optics." In Physics of the Life Sciences. Springer New York, 2008. http://dx.doi.org/10.1007/978-0-387-77259-2_23.

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Möller, K. D. "Imaging Using Wave Theory." In Optics. Springer New York, 2003. http://dx.doi.org/10.1007/0-387-21809-2_10.

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Lassas, Matti, Mikko Salo, and Gunther Uhlmann. "Wave Phenomena." In Handbook of Mathematical Methods in Imaging. Springer New York, 2011. http://dx.doi.org/10.1007/978-0-387-92920-0_20.

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Lassas, Matti, Mikko Salo, and Gunther Uhlmann. "Wave Phenomena." In Handbook of Mathematical Methods in Imaging. Springer New York, 2015. http://dx.doi.org/10.1007/978-1-4939-0790-8_52.

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Kunita, M., T. Miki, and I. Arai. "Range Measurement Using Ultrasound FMCW Wave." In Acoustical Imaging. Springer Netherlands, 2008. http://dx.doi.org/10.1007/978-1-4020-8823-0_42.

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Wiskin, J., D. T. Borup, S. A. Johnson, M. Berggren, T. Abbott, and R. Hanover. "Full-Wave, Non-Linear, Inverse Scattering." In Acoustical Imaging. Springer Netherlands, 2007. http://dx.doi.org/10.1007/1-4020-5721-0_20.

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Conference papers on the topic "Wave imaging"

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Miller, Richard M. "Thermal Wave Imaging." In 30th Annual Technical Symposium, edited by Richard A. Mollicone and Irving J. Spiro. SPIE, 1986. http://dx.doi.org/10.1117/12.936491.

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Brandsberg‐Dahl, Sverre, and John T. Etgen. "Beam‐wave imaging." In SEG Technical Program Expanded Abstracts 2003. Society of Exploration Geophysicists, 2003. http://dx.doi.org/10.1190/1.1818111.

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Moubark, Asraf Mohamed, Sevan Harput, David M. J. Cowell, Chris Adams, and Steven Freear. "Plane wave imaging challenge." In 2016 IEEE International Ultrasonics Symposium (IUS). IEEE, 2016. http://dx.doi.org/10.1109/ultsym.2016.7728893.

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Suess, H., and K. Gruener. "Millimeter-wave radiometric imaging." In International Symposium on Antennas and Propagation Society, Merging Technologies for the 90's. IEEE, 1990. http://dx.doi.org/10.1109/aps.1990.115215.

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Appleby, R., and A. H. Lettington. "Passive mm-wave Imaging." In Optical Systems for Space and Defence, edited by Alan H. Lettington. SPIE, 1990. http://dx.doi.org/10.1117/12.969687.

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Pergande, Al, Donald D. Dean, and Daniel J. O'Donnell. "Passive millimeter wave imaging." In Aerospace/Defense Sensing and Controls, edited by Jacques G. Verly. SPIE, 1996. http://dx.doi.org/10.1117/12.241042.

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Wilson, William J., Anthony C. Ibbott, Gary S. Parks, and William B. Ricketts. "Millimeter-Wave Imaging Sensor." In 30th Annual Technical Symposium, edited by Paul A. Henkel and Francis R. LaGesse. SPIE, 1987. http://dx.doi.org/10.1117/12.936771.

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Ye, Shigong. "Ultrasound shear wave imaging." In 26th Annual review of progress in quantitative nondestrictive evaluation. AIP, 2000. http://dx.doi.org/10.1063/1.1306133.

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Yujiri, Larry. "Passive Millimeter Wave Imaging." In 2006 IEEE MTT-S International Microwave Symposium Digest. IEEE, 2006. http://dx.doi.org/10.1109/mwsym.2006.249938.

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Shilo, S. A., and Yu B. Sidorenko. "Millimeter wave Imaging System." In 2007 International Kharkiv Symposium Physics and Engrg. of Millimeter and Sub-Millimeter Waves (MSMW). IEEE, 2007. http://dx.doi.org/10.1109/msmw.2007.4294695.

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Reports on the topic "Wave imaging"

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Gopalsami, N., S. Bakhtiari, S. L. Dieckman, A. C. Raptis, and M. J. Lepper. Millimeter-wave imaging of composite materials. Office of Scientific and Technical Information (OSTI), 1993. http://dx.doi.org/10.2172/10192670.

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Reeves, Stanley J. Superresolution of Passive Millimeter-Wave Imaging. Defense Technical Information Center, 2003. http://dx.doi.org/10.21236/ada423035.

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Reeves, Stanley J. Superresolution of Passive Millimeter-Wave Imaging. Defense Technical Information Center, 1998. http://dx.doi.org/10.21236/ada343682.

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Reeves, Stanley J. Superresolution of Passive Millimeter-Wave Imaging. Defense Technical Information Center, 2000. http://dx.doi.org/10.21236/ada380875.

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Simpson, Alexandra, Merrick Haller, David Walker, and Pat Lynett. Assimilation of Wave Imaging Radar Observations for Real-time Wave-by-Wave Forecasting. Office of Scientific and Technical Information (OSTI), 2017. http://dx.doi.org/10.2172/1377063.

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Wikner, David A., Joseph N. Mait, and Mark Mirotznik. Architectures and Devices for Millimeter Wave Imaging. Defense Technical Information Center, 2009. http://dx.doi.org/10.21236/ada494502.

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Alexander M. Popovici, Sergey Fomel, Paul Sava, Sean Crawley, Yining Li, and Cristian Lupascu. Ultra Deep Wave Equation Imaging and Illumination. Office of Scientific and Technical Information (OSTI), 2006. http://dx.doi.org/10.2172/918428.

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Prather, Dennis W. Integrated Wide-Band Millimeter Wave Imaging System. Defense Technical Information Center, 2004. http://dx.doi.org/10.21236/ada429349.

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Nemarich, Joseph. Microbolometer Detectors for Passive Millimeter-Wave Imaging. Defense Technical Information Center, 2005. http://dx.doi.org/10.21236/ada430796.

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Mirth, Lee. Focal Plane Array-Based Millimeter Wave Imaging Radiometer. Defense Technical Information Center, 2003. http://dx.doi.org/10.21236/ada417452.

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