Relevant bibliographies by topics / Optical radar

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Optical radar'

Author: Grafiati
Published: 4 June 2021
Last updated: 29 July 2024

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Journal articles on the topic "Optical radar"

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Avrutov, Vadym, Sergii Rupich, and Vyacheslav Tsisarzh. "TRENDS OF THE MICROWAVE PHOTONIC RADARS." Bulletin of Kyiv Polytechnic Institute. Series Instrument Making, no. 67(1) (June 30, 2024): 5–12. http://dx.doi.org/10.20535/1970.67(1).2024.306719.

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Today, the world's leading countries are intensively working on the development of new generation radars - microwave photonic radars. Microwave photonic radars make it possible to significantly reduce the mass and size characteristics of radar stations, to increase the information capability and range of target detection due to the reduction of losses in long communication lines when using optical fiber, to ensure high immunity due to the significantly lower sensitivity of optical-electronic equipment and fiber-optic lines of communication connection to external electromagnetic influences. Microwave photonics provides wide bandwidth, flat response, low loss transmission, multi-dimensional multiplexing, ultra-fast analog signal processing and immunity to electromagnetic interference. Radar implementation in the optical domain can provide better resolution, coverage, and speed performance, which would be difficult to implement with traditional electronics. The review article examines the state of development and system architectures of such photonic radars as optoelectronic hybrid radars, all-optical radars, multifunctional microwave photonic radar systems, distributed microwave photonic radars, software-defined radars, and cognitive radars. New technologies in this field and possible future directions of research are discussed. As an example, a broadband microwave photon radar reproduced on the basis of a microcircuit is considered. The broadband signal generator and receiver are built into the silicon crystal on the insulator. A high-precision distance measurement with a resolution of 2.7 cm and an error of less than 2.75 mm was obtained. Visualization of multiple targets with complex profiles has been implemented. But the performance of most integrated microwave photonic chips is not yet satisfactory for practical radar applications. Monolithic integration of key microwave photonic subsystems is also not mature enough for practical applications, so hybrid integration of devices fabricated on their optimal integration platforms is of practical interest. At present, indium phosphide, silicon nitride and silicon on insulator are the three leading platforms for photonic integration
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Brosch, N., D. Polishook, R. Helled, S. Schijvarg, and M. Rosenkrantz. "Radar and optical leonids." Atmospheric Chemistry and Physics Discussions 4, no. 2 (March 9, 2004): 1425–47. http://dx.doi.org/10.5194/acpd-4-1425-2004.

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Abstract. We present joint optical-radar observations of meteors collected near the peak of the leonid activity in 2002. We show four examples of joint detections with a large, phased array L-band radar and with intensified video cameras. The general characteristic of the radar-detected optical meteors is that they show the radar detection below the termination of the optical meteor. Therefore, at least some radar events associated with meteor activity are neither head echoes nor trail echoes, but probably indicate the formation of "charged clouds" after the visual meteor is extinguished.
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Brosch, N., D. Polishook, R. Helled, S. Schijvarg, and M. Rosenkrantz. "Radar and optical leonids." Atmospheric Chemistry and Physics 4, no. 4 (July 6, 2004): 1063–69. http://dx.doi.org/10.5194/acp-4-1063-2004.

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Abstract. We present joint optical-radar observations of meteors collected near the peak of the Leonid activity in 2002. We show four examples of joint detections with a large, phased array L-band radar and with intensified video cameras. The general characteristic of the radar-detected optical meteors is that they show the radar detection below the termination of the optical meteor. Therefore, at least some radar events associated with meteor activity are neither head echoes nor trail echoes, but probably indicate the formation of "charged clouds" after the visual meteor is extinguished.
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Mann, Ingrid, Asta Pellinen-Wannberg, and Anders Tjulin. "Meteor studies applying incoherent scatter radar instruments." Proceedings of the International Astronomical Union 10, H16 (August 2012): 181. http://dx.doi.org/10.1017/s1743921314005353.

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AbstractOne of the interesting aspects of optical meteor studies is that the spectral composition of the brightness reveals information about the element composition of the solid particles that enter Earthfs atmosphere from interplanetary space. Deriving composition from optical spectra requires understanding the entry process during which the entering solid interacts with atmospheric species. This is especially so, because most meteors are observed at altitudes where the mean free path changes from tens of meters to millimeters, that is in the 120 km to 80 km altitude range within the atmosphere. The ionization that causes optical emission also reflects radio waves, so that meteors are observed with different kinds of radar instruments. Incoherent scatter radar facilities are in particular designed to study the upper atmosphere by using the backscattering from free electrons and are basically High Power Large Aperture radars. During the past 15 years they have been increasingly used for meteor studies. The phased-array incoherent scatter radars that are currently under development, such as the planned EISCAT-3Dsystem in northern Scandinavia, will further improve the spatial and time resolution of radar observations and will allow simultaneous measurements of the meteors and of the parameters of the surrounding ionosphere. Radar backscattering is also sensitive to objects that are smaller than those detected optically, so that the observations also permit studying the extension of the meteoroid size distribution to smaller sizes. In this presentation we consider the possibilities for measurements with the future EISCAT-3D as a new path of studying the physics of meteor phenomena with high accuracy.
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Djordjevic, Ivan B. "On Entanglement-Assisted Multistatic Radar Techniques." Entropy 24, no. 7 (July 17, 2022): 990. http://dx.doi.org/10.3390/e24070990.

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Entanglement-based quantum sensors have much better sensitivity than corresponding classical sensors in a noisy and lossy regime. In our recent paper, we showed that the entanglement-assisted (EA) joint monostatic–bistatic quantum radar performs much better than conventional radars. Here, we propose an entanglement-assisted (EA) multistatic radar that significantly outperforms EA bistatic, coherent state-based quantum, and classical radars. The proposed EA multistatic radar employs multiple entangled transmitters performing transmit-side optical phase conjugation, multiple coherent detection-based receivers serving as EA detectors, and a joint detector.
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Ilovitsh, Asaf, Shlomo Zach, and Zeev Zalevsky. "Optical synthetic aperture radar." Journal of Modern Optics 60, no. 10 (June 2013): 803–7. http://dx.doi.org/10.1080/09500340.2013.814817.

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Kakimoto, Yukiteru. "Optical fiber imaging laser radar." Optical Engineering 44, no. 1 (January 1, 2005): 016201. http://dx.doi.org/10.1117/1.1828092.

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Ogawa, T. "Radar observations of ionospheric irregularities at Syowa Station, Antarctica: a brief overview." Annales Geophysicae 14, no. 12 (December 31, 1996): 1454–61. http://dx.doi.org/10.1007/s00585-996-1454-z.

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Abstract. We briefly overview the radar observations that have been made for 30 years at Syowa Station, Antarctica for studying small-scale electron-density irregularities in the southern high-latitude E- and F-region ionosphere. Some observational results (i.e., long-term variations of radio aurora, Doppler spectra with narrow spectral widths and low Doppler velocities, and simultaneous observations of radar and optical auroras) from VHF radars capable of detecting 1.3- to 3-m scale irregularities are presented. A new 50-MHz radar system equipped with phased-antenna arrays began operation in February 1995 to observe two-dimensional behaviours of E-region irregularities. An HF radar experiment also began in February 1995 to explore decameter-scale E- and F-region irregularities in the auroral zone and polar cap. These two radars will contribute to a better understanding of the ionospheric irregularities and ionospheric physics at southern high latitudes.
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Milan, S. E., M. Lester, N. Sato, H. Takizawa, and J. P. Villain. "Investigation of the relationship between optical auroral forms and HF radar E region backscatter." Annales Geophysicae 18, no. 6 (June 30, 2000): 608–17. http://dx.doi.org/10.1007/s00585-000-0608-7.

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Abstract. The SuperDARN HF radars have been employed in the past to investigate the spectral characteristics of coherent backscatter from L-shell aligned features in the auroral E region. The present study employs all-sky camera observations of the aurora from Husafell, Iceland, and the two SuperDARN radars located on Iceland, Þykkvibær and Stokkseyri, to determine the optical signature of such backscatter features. It is shown that, especially during quiet geomagnetic conditions, the backscatter region is closely associated with east-west aligned diffuse auroral features, and that the two move in tandem with each other. This association between optical and radar aurora has repercussions for the instability mechanisms responsible for generating the E region irregularities from which radars scatter. This is discussed and compared with previous studies investigating the relationship between optical and VHF radar aurora. In addition, although it is known that E region backscatter is commonly observed by SuperDARN radars, the present study demonstrates for the first time that multiple radars can observe the same feature to extend over at least 3 h of magnetic local time, allowing precipitation features to be mapped over large portions of the auroral zone.Key words: Ionosphere (particle precipitation; plasma waves and instabilities)
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Nhemaphuki, David, Kiran Thapa Chetri, and Sanjeevan Shrestha. "Fusion of Radar and Optical Data for Land Cover Classification Using Machine Learning Approach." Journal on Geoinformatics, Nepal 20, no. 1 (December 1, 2020): 39–45. http://dx.doi.org/10.3126/njg.v20i1.39476.

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This study evaluates the advantages of combining traditional space borne optical data with longer wavelengths of radar for land cover mapping. Land cover classification was carried out using Optical, radar data and combination of both for the Bardiya district using Random Forest algorithm. The fusion of optical and radar shows better land cover discrimination with 96.98% overall accuracy in compared to using radar data and optical data separately with overall accuracy of 69.2% and 95.89% respectively. Additionally, the qualitative result demonstrates that the combined utilization of optical and radar imagery yields useful land cover information over those obtained using either type of image on its own.
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Dissertations / Theses on the topic "Optical radar"

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Raghavan, V. P. "High precision laser radar tracking device /." Online version of thesis, 1991. http://hdl.handle.net/1850/11453.

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Weverka, Robert T. "Optical signal processing of phased array radar." Diss., Connect to online resource, 2006. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3207762.

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Seeger, Mauritius. "3-D imaging using optical coherence radar." Thesis, University of Kent, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.263698.

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BRUHNS, THOMAS VICTOR. "HARDWARE AND SOFTWARE FOR A COMPUTER CONTROLLED LIDAR SYSTEM." Diss., The University of Arizona, 1985. http://hdl.handle.net/10150/188042.

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The hardware and software for a computer controlled optical radar, or lidar, system are described. The system builds on a previously installed pulsed ruby backscatter lidar, capable of acquiring data at controlled azimuth and elevation angles through the atmosphere. The described system replaces hardwired logic with computer control. Two coupled computers are used to allow a degree of real time control while data are processed. One of these computers reads and controls mount elevation angle, reads the laser energy monitor, and senses firing of the laser. The other computer serves as a user interface, and receives the lidar return data from a digitizer and memory, and the angle and energy information from the other computer. The second computer also outputs data to a disc drive. The software provided with the system is described, and the feasibility of additional software for both control and data processing is explored. Particular attention is given to data integrity and instrument and computer operation in the presence of the high energy pulses used to drive the laser. A previously described laser energy monitor has been improved to isolate it from laser transients. Mount elevation angles are monitored with an absolute angle readout. As a troubleshooting aid, a simulator with an output that approximates the lidar receiver output was developed. Its output is digitally generated and provides a known repetitive signal. Operating procedures are described for standard data acquisition, and troubleshooting is outlined. The system can be used by a relatively inexperienced operator; English sentences are displayed on the system console CRT terminal to lead the operator through data acquisition once the system hardware is turned on. A brief synopsis of data acquired on the system is given. Those data are used as the basis of other referenced papers. It constitutes soundings for over one hundred days. One high point has been operation of the system in conjunction with a balloon borne atmospheric particulate sampling package. The system has also been used occasionally as the transmitter of a lidar system with physically separated receiver and transmitter.
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Helt, Michael F. "Vegetation identification with Lidar." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2005. http://library.nps.navy.mil/uhtbin/hyperion/05Sep%5FHelt.pdf.

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Gast, David W. "LIDAR design for space situational awareness." Thesis, Monterey, Calif. : Naval Postgraduate School, 2008. http://edocs.nps.edu/npspubs/scholarly/theses/2008/Sept/08Sep%5FGast.pdf.

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Thesis (M.S. in Astronautical Engineering)--Naval Postgraduate School, September 2008.
Thesis Advisor(s): Agrawal, Brij N. ; Boger, Dan C. "September 2008." Description based on title screen as viewed on November 3, 2008. Includes bibliographical references (p. 79-80). Also available in print.
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Xu, Cuichun. "Statistical processing on radar, sonar, and optical signals /." View online ; access limited to URI, 2008. http://0-digitalcommons.uri.edu.helin.uri.edu/dissertations/AAI3328735.

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Hartup, David Carl. "Emitter identification using optical processors." Diss., Georgia Institute of Technology, 1991. http://hdl.handle.net/1853/15672.

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Leeson, Michael J. "The application of quasi-optical techniques to millimetre wave radar." Thesis, University of St Andrews, 1993. http://hdl.handle.net/10023/2774.

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The application of Quasi Optical techniques has been of great benefit to the field of instrumentation for frequencies between 750Hz and several hundred OHz. The application of Quasi Optical techniques to millimetre wave radar, described in this thesis, has produced an FMCW Doppler radar capable of operation at 940Hz and 1400Hz. Total polarization agility and a capability to operate over a very wide bandwidth is demonstrated. Quasi Optical circuits are proposed as solutions for many of the system requirements, and these are fully analyzed. Significant benefits of these techniques are demonstrated, and future improvements are suggested. A new design tool, in the form of a program, for Quasi Optical circuit analysis is presented and is used for the analysis of all the optical circuits in this thesis. The program has speeded up the design process for optical circuits. A new type of feedhorn is described and characterized. Its performance compares well with existing feedhorns, and it provides a low cost alternative to existing antenna requirements.
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Kim, Jungwhan John. "Road detection on radar imagery." Thesis, Virginia Polytechnic Institute and State University, 1985. http://hdl.handle.net/10919/53080.

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A facet based road network detection procedure is described for radar imagery. The procedure includes a line detection part and a road detection and connection part. The line detection part analytically detects linear features using a facet Valley finding technique. Valleys are defined as zero crossings of the first directional derivatives of a bicubic facet model taken in a direction extremizing the second directional derivative. The road detection and connection part statistically screens the linear features on a component by component basis, and then optimally connects the screened linear features using a dynamic programming algorithm. This thesis also includes as a preprocessing technique for noisy images, an adaptive noise removal algorithm, and suggests a practical method of estimating a local noise variance.
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Books on the topic "Optical radar"

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1969-, Cain Stephen C., ed. Direct-detection LADAR systems. Bellingham, Wash: SPIE Press, 2009.

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W, Kamerman Gary, and Society of Photo-optical Instrumentation Engineers., eds. Laser radar technology and applications VII: 3-4 April, 2002, Orlando, [Florida] USA. Bellingham, Wash: SPIE, 2002.

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D, Turner Monte, Kamerman Gary W, and Society of Photo-optical Instrumentation Engineers., eds. Laser radar technology and applications XII: 11-12 April, 2007, Orlando, Florida, USA. Bellingham, Wash: SPIE, 2007.

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Lyndon B. Johnson Space Center., ed. 3D laser radar vision processor system. Akron, Ohio: Defense Systems Division, Loral Corporation, 1990.

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K, Masten Michael, Stockum Larry A, and Society of Photo-optical Instrumentation Engineers., eds. Acquisition, tracking, and pointing VII: 15-16 April 1993, Orlando, Florida. Bellingham, Wash., USA: SPIE, 1993.

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K, Masten Michael, Stockum Larry A, and Society of Photo-optical Instrumentation Engineers., eds. Acquisition, tracking, and pointing VI: 22-24 April 1992, Orlando, Florida. Bellingham, Wash., USA: SPIE, 1992.

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K, Masten Michael, Stockum Larry A, and Society of Photo-optical Instrumentation Engineers., eds. Acquisition, tracking, and pointing VII: 15-16 April 1993, Orlando, Florida. Bellingham, Wash: SPIE, 1993.

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Turner, Monte D. Laser radar technology and applications XIV: 15-16 April 2009, Orlando, Florida, United States. Bellingham, Wash: SPIE, 2009.

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W, Kamerman Gary, and Society of Photo-optical Instrumentation Engineers., eds. Laser radar technology and applications IX: 13-15 April, 2004, Orlando, Florida, USA. Bellingham, Wash: SPIE, 2004.

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W, Kamerman Gary, and Society of Photo-optical Instrumentation Engineers., eds. Laser radar technology and applications VIII: 22-25 April, 2003, Orlando, Florida, USA. Bellingham, Wash., USA: SPIE, 2003.

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Book chapters on the topic "Optical radar"

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Fitch, J. Patrick. "Optical Processing of SAR Data." In Synthetic Aperture Radar, 85–108. New York, NY: Springer New York, 1988. http://dx.doi.org/10.1007/978-1-4612-3822-5_3.

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Pérez, V., F. García, J. Clapés, R. Osorio, J. O. Caselles, J. A. Canas, and L. I. Pujades. "Ground-Penetrating Radar Applications in Cultural Heritage." In Optical Technologies in the Humanities, 213–26. Berlin, Heidelberg: Springer Berlin Heidelberg, 1997. http://dx.doi.org/10.1007/978-3-642-60872-8_31.

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Tupin, Florence. "Fusion of Optical and SAR Images." In Radar Remote Sensing of Urban Areas, 133–59. Dordrecht: Springer Netherlands, 2010. http://dx.doi.org/10.1007/978-90-481-3751-0_6.

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Orchiston, Wayne, Peter Robertson, and Woodruff T. Sullivan III. "From Radar to Radio Astronomy." In Golden Years of Australian Radio Astronomy, 1–36. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-319-91843-3_1.

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AbstractToday’s astronomers study the sky at a wide range of wavelengths, spread across the electromagnetic spectrum, from radio through microwave, infrared, the optical range, the ultraviolet, X-rays and gamma rays (Fig. 1.1). They also use cosmic rays and neutrinos, and the newest field is gravitational wave astronomy. Some of these types of radiation can be observed from the Earth’s surface, others rely on space telescopes. Some are comparatively recent innovations, while optical astronomy – in various guises – dates back many millennia.
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Liang, Hongyu, Wenbin Xu, Xiaoli Ding, Lei Zhang, and Songbo Wu. "Urban Sensing with Spaceborne Interferometric Synthetic Aperture Radar." In Urban Informatics, 345–65. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-15-8983-6_21.

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AbstractSynthetic aperture radar (SAR) and interferometric SAR (InSAR) are state-of-the-art radar remote sensing technologies and are very useful for urban remote sensing. The technologies have some very special characteristics compared to optical remote sensing and are especially advantageous in cloudy regions due to the ability of the microwave radar signals used by the current SAR sensors to penetrate clouds. This chapter introduces the basic concepts of SAR, differential InSAR, and multi-temporal InSAR, and their typical applications in urban remote sensing. Examples of applying the various InSAR techniques in generating DEMs and monitoring ground and infrastructure deformation are given. The capabilities and limitations of InSAR techniques in urban remote sensing are briefly discussed.
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Petrov, G. A., N. A. Baranov, G. E. Romanova, and M. Yu Sachkov. "Performance of Pulsed Wind Lidar Based on Optical Hybrid." In Proceedings of the 30th International Laser Radar Conference, 173–79. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-37818-8_23.

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Ryan, Robert, Mark A. Vaughan, Sharon D. Rodier, Brian J. Getzewich, and David M. Winker. "Column Optical Depth (COD) Derived from CALIOP Ocean Surface Returns." In Proceedings of the 30th International Laser Radar Conference, 707–13. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-37818-8_91.

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Jähne, Bernd. "Energy Balance in Small-Scale Waves — An Experimental Approach Using Optical Slope Measuring Technique and Image Processing." In Radar Scattering from Modulated Wind Waves, 105–20. Dordrecht: Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-2309-6_10.

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Bhaumik, Pralay, Himanshu Govil, Shashi Kumar, and Sankaran Rajendran. "Extraction and Evaluation of Lineaments From DEMs Generated from Different Bands of Microwave Data and Optical Data." In Spaceborne Synthetic Aperture Radar Remote Sensing, 329–50. Boca Raton: CRC Press, 2023. http://dx.doi.org/10.1201/9781003204466-15.

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Tripathi, Akshar, Shashi Kumar, and Sandeep Maithani. "Improved Data Fusion-Based Land Use/Land Cover Classification Using PolSAR and Optical Remotely Sensed Satellite Data." In Spaceborne Synthetic Aperture Radar Remote Sensing, 123–45. Boca Raton: CRC Press, 2023. http://dx.doi.org/10.1201/9781003204466-6.

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Conference papers on the topic "Optical radar"

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Shapiro, Jeffrey H. "Laser Radar System Theory*." In Optical Remote Sensing. Washington, D.C.: Optica Publishing Group, 1985. http://dx.doi.org/10.1364/ors.1985.tub3.

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Coherent laser radars represent a true translation to the optical frequency band of conventional microwave radar concepts. Moreover, the emerging technology of compact CO2 laser radars may be capable of resolving targets in any combination of the modalities of space, angle, range, and velocity. As a result, the development of laser radar system theory as an analytic tool for the design and performance evaluation of such systems must function on a variety of levels. In this paper, three of these levels will be reviewed.
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Eberhard, Wynn L., Janet M. Intrieri, and Graham Feingold. "Lidar and Radar as Partners in Cloud Sensing." In Optical Remote Sensing of the Atmosphere. Washington, D.C.: Optica Publishing Group, 1997. http://dx.doi.org/10.1364/orsa.1997.omb.1.

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Clouds are important to radiative transfer and climate, so information on their structure and microphysics is in great demand. The improving technology of lidars and radars can meet many of these important observational needs. Lidar and radar can individually provide valuable but limited information on cloud properties. An amalgam of measurements by lidar, radar, spectrometer, infrared radiometer, microwave radiometer, and standard meteorological measurements yields a wealth of geometrical, microphysical, and radiative information unattainable by a single instrument (Sassen 1995; Intrieri et al. 1995). In this paper we describe how simultaneous measurements by lidar and radar give complementary information on the bulk structure of clouds and synergistic information on cloud microphysical properties.
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Frehlich, R. G. "Optimal performance of monostatic coherent laser radar." In Optical Remote Sensing of the Atmosphere. Washington, D.C.: Optica Publishing Group, 1990. http://dx.doi.org/10.1364/orsa.1990.md27.

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Bicknell, T. J., D. Psaltis, and A. R. Tanguay. "Integrated-optical synthetic aperture radar processor." In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1985. http://dx.doi.org/10.1364/oam.1985.tue6.

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Synthetic aperture radar (SAR) is a 2-D signal processing problem that normally requires a 3-D optical implementation. We describe an optical method for performing SAR imaging that can be implemented using integrated optics, which is typically configured as a planar structure. Two-dimensional signal processing is accomplished through a combination of spatial and temporal integration. The radar signal is entered into the integrated optical structure through a surface acoustic wave transducer and is first processed by spatial integration through 1-D diffraction within a uniform, planar optical waveguide. The spatially processed light is then coupled into an array of channel waveguides, which acts as a 1-D image dissector by expanding the light along the direction in which light propagates. The temporal integration takes place on a 2-D CCD detector array positioned on top of the channel waveguides. Light is selectively coupled vertically out of the waveguiding plane, with each channel waveguide illuminating a corresponding column of the CCD array through a 2-D spatially modulated transparency. Periodic transfer of the photogenerated charge on the CCD following each temporal integration period results in the formation of the focused radar image.
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Weverka, Robert T., Anthony W. Sarto, and Kelvin Wagner. "Photorefractive Phased-Array-Radar Processor Dynamics." In Optical Computing. Washington, D.C.: Optica Publishing Group, 1993. http://dx.doi.org/10.1364/optcomp.1993.owd.2.

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Large adaptive, two dimensional phased-array radar antennas can consist of thousands of antenna elements, have GHz bandwidths, and must be able to steer and adapt the antenna beam rapidly in a dynamic signal environment.
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Kahn, W. K., J. D. DeLorenzo, R. E. Heintz, S. Ciccarelli, T. German, G. Kulp, and V. P. Raghavan. "Multimode Feed for Optical Monopulse LIDAR." In Coherent Laser Radar. Washington, D.C.: Optica Publishing Group, 1991. http://dx.doi.org/10.1364/clr.1991.tud8.

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This paper describes an experimental integrated optic multimode monopulse feed for a future optical tracking LIDAR. A precision monopulse tracker senses angle deviations of the order of a small fraction of the antenna beamwidth. Currently trackers utilize feeds comprised of two (or four) sectoral sensor heads. For proper operation the characteristics of the individual heads must be accurately matched to one another; moreover the septum dividing the sectors causes loss of sensitivity near boresight. These limitations are circumvented by the multimode feed.
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Goodman, Nathan A. "Compressive Radar." In Computational Optical Sensing and Imaging. Washington, D.C.: OSA, 2013. http://dx.doi.org/10.1364/cosi.2013.cw2c.2.

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Nawaz, M. "Optical link design for a maritime radar system." In International Conference on Radar Systems (Radar 2017). Institution of Engineering and Technology, 2017. http://dx.doi.org/10.1049/cp.2017.0471.

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Xu, Jianjiao, Jie Yu, Mengyao Liu, and Gaosheng Li. "An Ultra Wideband Optical Transparent Seawater Patch Antenna." In 2021 CIE International Conference on Radar (Radar). IEEE, 2021. http://dx.doi.org/10.1109/radar53847.2021.10028656.

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Lueneburg, Ernst, and Shane R. Cloude. "Radar versus optical polarimetry." In Optical Science, Engineering and Instrumentation '97, edited by Harold Mott and Wolfgang-Martin Boerner. SPIE, 1997. http://dx.doi.org/10.1117/12.283848.

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Reports on the topic "Optical radar"

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Der, Sandor, Brian Redman, and Rama Chellappa. Simulation of Error in Optical Radar Range Measurements. Fort Belvoir, VA: Defense Technical Information Center, January 1998. http://dx.doi.org/10.21236/ada335609.

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Groeneveld, Davis, and Williams. L51974 Automated Detection of Encroachment Events Using Satellite Remote Sensing. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), August 2002. http://dx.doi.org/10.55274/r0011300.

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As an integral part of the ongoing effort to develop an operational capability of remote sensing based pipeline encroachment monitoring, this investigation focused on the development of automated target detection using synthetic aperture radar (RADARSAT) and optical (QUICKBIRD, EROS) satellite imagery. Specifically, the study aimed at meeting the following objectives: To develop automated target detection algorithms for optical and radar imagery that replicate detection rates obtained through visual image interpretation; To investigate the utility of newly available high-resolution optical satellite imagery for encroachment monitoring; To reduce false alarms through the processing of multitemporal radar images; and To identify and prioritize areas of future research and development required for the operational application of the technology.
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Berinato, R. J., D. Elmore, P. S. Julino, M. C. Budge, and Jr. C-Band Radar Testing of the Multichannel Adaptive Optical Processor. Fort Belvoir, VA: Defense Technical Information Center, February 1997. http://dx.doi.org/10.21236/ada323640.

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Byer, Robert L. An All-Solid-State Chirped Source for Coherent Optical Radar. Fort Belvoir, VA: Defense Technical Information Center, March 1992. http://dx.doi.org/10.21236/ada299821.

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Teillet, P. M., G. Fedosejevs, D. Gauthier, M. D'Iorio, B. Rivard, P. Budkewitsch, and B. Brisco. Initial Examination of Radar Imagery of Optical Radiometric Calibration Sites. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1995. http://dx.doi.org/10.4095/218130.

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Mickelson, Alan R. An Investigation of the Channel Crosstalk in Optical Heterdyne Controlled Phased Array Radars. (Phenomenological Modeling of Optically Assisted Phased Array Radar). Fort Belvoir, VA: Defense Technical Information Center, June 1996. http://dx.doi.org/10.21236/ada309641.

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Desrochers, Paul R. Cloud Optical Depth Retrieval from Cloud Radar and Microwave Radiometer Measurements. Fort Belvoir, VA: Defense Technical Information Center, November 2004. http://dx.doi.org/10.21236/ada443401.

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Egeland, Alv, and Joeran Moen. Combined Svalbard EISCAT Radar and Optical Observation for Polar Cusp/Cap Research. Fort Belvoir, VA: Defense Technical Information Center, October 2000. http://dx.doi.org/10.21236/ada388178.

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van der Sanden, J. J., P. W. Vachon, and J. F. R. Gower. Combining Optical and Radar Satellite Image Data for Surveillance of Coastal Waters. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2000. http://dx.doi.org/10.4095/219631.

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McHugh, Power, and Randell. L51972 Encroachment Monitoring via Earth Observation Data. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), June 2001. http://dx.doi.org/10.55274/r0011240.

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The objective of the pipeline encroachment monitoring project was to demonstrate the feasibility of using Earth observation (EO) satellites for early detection of third-party encroachment activities. Examples of encroachment activities include road construction, cable laying, farming, and residential or commercial development. Optical and synthetic aperture radar (SAR) images taken from space-borne platforms were evaluated for use in detecting encroachment activities. C-CORE and TransCanada Pipelines Ltd. conducted an encroachment field program near Whitecourt, Alberta. Various encroachment activities, principally involving heavy equipment, were staged and concurrent satellite-based optical (IKONOS) and SAR (RADARSAT) images acquired. These images were then analyzed for signatures of the encroachment events. A total of 22 multispectral and panchromatic IKONOS images and 14 RADARSAT SAR images were acquired. The IKONOS satellite proved to be effective in detecting smaller vehicles (for example, small trucks or Bobcat tractors) in areas that are free from cloud cover. RADARSAT proved effective in the detection of larger vehicles (for example, excavators or dump trucks), linear excavation, deforestation, and the provision of reliable coverage in all weather conditions.
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