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A Time Integrating Optical Correlator For Adaptive Array Processing
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Book Synopsis A Time Integrating Optical Correlator for Adaptive Array Processing by : Linden Beattie Mercer
Download or read book A Time Integrating Optical Correlator for Adaptive Array Processing written by Linden Beattie Mercer and published by . This book was released on 1982 with total page 89 pages. Available in PDF, EPUB and Kindle. Book excerpt: Application of optical signal processing techniques to adaptive array processing was investigated. The common adaptive array algorithms were reviewed. Adaptive array processing generally requires some form of correlation and the characterisitics of optical correlators were compared leading to the selection of the time integrating optical correlator for further investigation. An adaptive array processor using time integrating optical correlators, which was first proposed by David Casasent, was analyzed to determine applicability of this signal processing technique to a general adaptive array environment. This processor was found to be similar to a comparable maximum likelihood approach. Limitations on the performance of this processor in terms of ambiguity and resolution were found and these results were confirmed by computer simulation of the adaptive array environment, the processor, and the resulting antenna response. (Author).
Book Synopsis A Time Integrating Optical Correlator for Adaptive Array Processing by : Linden B. Mercer (2LT, USAF.)
Download or read book A Time Integrating Optical Correlator for Adaptive Array Processing written by Linden B. Mercer (2LT, USAF.) and published by . This book was released on 1982 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 704 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Optical Processing for Adaptive Phased Array Radar by : David Casasent
Download or read book Optical Processing for Adaptive Phased Array Radar written by David Casasent and published by . This book was released on 1981 with total page 193 pages. Available in PDF, EPUB and Kindle. Book excerpt: Three new optical signal processing techniques for adaptive phased array radar (APAR) signal processing are described. The coherent optical correlator uses acousto-optic transducers and computes the far-field noise distribution of the antenna. Digital post-processing is then used to compute the adaptive weights from this information. A new hybrid time and space integrating optical signal processing architecture is advanced and a new adjunct antenna concept is introduced for this processor. Initial acousto-optic experimental results and initial simulations are advanced. An electronic support system and the necessary post-processing issues are described. The second technique uses an input LED array and fiber optic interconnections with a linear photo detector to realize a vector-matrix processor. With the addition of an electronic feedback system, an iterative optical processor results. This system computes the set of adaptive weights given the covariance matrix of the noise field and the desired steering vector. The design and performance of the system fabricated and its use in an APAR signal processing are described. A new wavelength diversity processor concept for the iterative optical processor is described in many new algorithms and potential applications of the system are provided. (Author).
Book Synopsis Optoelectronic Signal Processing for Phased-array Antennas by :
Download or read book Optoelectronic Signal Processing for Phased-array Antennas written by and published by . This book was released on 1990 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Brian M. Hendrickson Publisher :SPIE-International Society for Optical Engineering ISBN 13 : Total Pages :310 pages Book Rating :4.3/5 (91 download)
Book Synopsis Optoelectronic Signal Processing for Phased-array Antennas II by : Brian M. Hendrickson
Download or read book Optoelectronic Signal Processing for Phased-array Antennas II written by Brian M. Hendrickson and published by SPIE-International Society for Optical Engineering. This book was released on 1990 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Optical Processors for Adaptive Phased Array Radars by : David Casasent
Download or read book Optical Processors for Adaptive Phased Array Radars written by David Casasent and published by . This book was released on 1980 with total page 121 pages. Available in PDF, EPUB and Kindle. Book excerpt: Three new optical signal processing techniques and architectures were considered for advanced adaptive phased array radar signal processing. Use of a residue arithmetic optical processor was studied. A new correlation approach to residue arithmetic operations was developed together with new optical decimal/residue and residue/decimal converters, a residue arithmetic adder and matrix processor. Format control of the data in such systems and availability of the necessary components are of concern in this type of optical processor. A multi-channel optical frequency plane correlator in which the received signals at the N array elements are correlated with a reference element was studied. The output correlation plane pattern obtained is slit integrated in angles by a special detector to yield a map of the angular distribution of the noise field. From this output, an inverse DFT digital postprocessor was shown to yield the desired weights under restrictive cases. A time integrating acousto-optic correlator version of this system appears preferable, since it uses more available 1-D transducers and provides the high center frequency and large time bandwidth products necessary. An iterative optical processor was then considered. This system uses a linear LED input array, 2-D mask and 1-D photodetector array to perform a vector-matrix multiplication. With feedback, this system can solve the adaptive radar equation using a new iterative algorithm.
Book Synopsis Optical Pattern Recognition by : Francis T. S. Yu
Download or read book Optical Pattern Recognition written by Francis T. S. Yu and published by Cambridge University Press. This book was released on 1998-06-28 with total page 460 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive review of optical pattern recognition techniques and implementations, for graduate students and researchers.
Book Synopsis Encyclopedia of Optical and Photonic Engineering (Print) - Five Volume Set by : Craig Hoffman
Download or read book Encyclopedia of Optical and Photonic Engineering (Print) - Five Volume Set written by Craig Hoffman and published by CRC Press. This book was released on 2015-09-22 with total page 3726 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first edition of the Encyclopedia of Optical and Photonic Engineering provided a valuable reference concerning devices or systems that generate, transmit, measure, or detect light, and to a lesser degree, the basic interaction of light and matter. This Second Edition not only reflects the changes in optical and photonic engineering that have occurred since the first edition was published, but also: Boasts a wealth of new material, expanding the encyclopedia’s length by 25 percent Contains extensive updates, with significant revisions made throughout the text Features contributions from engineers and scientists leading the fields of optics and photonics today With the addition of a second editor, the Encyclopedia of Optical and Photonic Engineering, Second Edition offers a balanced and up-to-date look at the fundamentals of a diverse portfolio of technologies and discoveries in areas ranging from x-ray optics to photon entanglement and beyond. This edition’s release corresponds nicely with the United Nations General Assembly’s declaration of 2015 as the International Year of Light, working in tandem to raise awareness about light’s important role in the modern world. Also Available Online This Taylor & Francis encyclopedia is also available through online subscription, offering a variety of extra benefits for researchers, students, and librarians, including: Citation tracking and alerts Active reference linking Saved searches and marked lists HTML and PDF format options Contact Taylor and Francis for more information or to inquire about subscription options and print/online combination packages. US: (Tel) 1.888.318.2367; (E-mail) [email protected] International: (Tel) +44 (0) 20 7017 6062; (E-mail) [email protected]
Book Synopsis Proceedings of the IEEE 1983 National Aerospace and Electronics Conference, NAECON 1983 by :
Download or read book Proceedings of the IEEE 1983 National Aerospace and Electronics Conference, NAECON 1983 written by and published by . This book was released on 1983 with total page 760 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Photorefractive Materials and Their Applications 3 by : Peter Günter
Download or read book Photorefractive Materials and Their Applications 3 written by Peter Günter and published by Springer. This book was released on 2007-08-30 with total page 367 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the final volume of a series devoted to photorefractive effects, photorefractive materials and their applications. Since publication of the first two volumes almost 20 years ago, new and often unexpected effects have been discovered. Theoretical models have been developed, known effects can be finally explained and novel applications have been proposed. For this volume, the editors have invited top experts to reflect on the maturity of the field, assessing progress so far, and predicting avenues of future development. In addition, a series of applications of photorefractive nonlinear optics and of optical data storage are presented in several chapters.
Book Synopsis Real Time Signal Processing V by : Joel Trimble
Download or read book Real Time Signal Processing V written by Joel Trimble and published by . This book was released on 1982 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Real-time Signal Processing written by and published by . This book was released on 1985 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Comprehensive Dictionary of Electrical Engineering by : Philip A. Laplante
Download or read book Comprehensive Dictionary of Electrical Engineering written by Philip A. Laplante and published by CRC Press. This book was released on 2018-10-03 with total page 786 pages. Available in PDF, EPUB and Kindle. Book excerpt: Succinct yet comprehensive coverage of the most important terms, acronyms, and definitions made the first edition of the Comprehensive Dictionary of Electrical Engineering a bestseller. Recent advances in many disciplines of this rapidly growing field have made necessary a new edition of this must-have reference. This authoritative lexicon includes more than 1500 additional terms, now supplying more than 11,000 total terms gathered by a stellar international panel of the world's leading experts, compiled from CRC's immensely popular and highly respected handbooks, and accompanied by more than 120 tables and illustrations. New areas to this edition include: Process Control and Instrumentation Embedded Sensors and Systems Biomedical Engineering Hybrid Vehicles Mechatronics Data Storage GIS Includes new terms reflecting the rapid growth in: Computer Electronics Image Processing Nanotechnology Fuel Cells Phillip Laplante has again succeeded in producing an invaluable, up-to-date reference for the entire field of electrical engineering, covering device electronics and applied electrical, microwave, control, power, and digital systems engineering in addition to the new areas listed above. Whether you are a practicing or student electrical engineer or a professional from another field in need of complete and updated information, you need look no further than the Comprehensive Dictionary of Electrical Engineering, Second Edition.
Book Synopsis Real Time Signal Processing VIII by : Society of Photo-optical Instrumentation Engineers
Download or read book Real Time Signal Processing VIII written by Society of Photo-optical Instrumentation Engineers and published by . This book was released on 1985 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Optical Engineering written by and published by . This book was released on 1985 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Large Scale Scientific Computation by : Seymour V. Parter
Download or read book Large Scale Scientific Computation written by Seymour V. Parter and published by Elsevier. This book was released on 2014-05-10 with total page 337 pages. Available in PDF, EPUB and Kindle. Book excerpt: Large Scale Scientific Computation is a collection of papers that deals with specialized architectural considerations, efficient use of existing computers, software developments, large scale projects in diverse disciplines, and mathematical approaches to basic algorithmic problems. One paper describes numerical treatment of large highly nonlinear two or three dimensional boundary value problems by quadratic minimization techniques applied in many institutions such as in Laboratoire Central des Ponts et Chaussees, Avions Marcel Dassault et Breguet Aviation. Another paper discusses computer-structured design techniques to improve the reliability, efficiency, and accuracy of future production codes. Computer modelling is a potent tool in numerical weather prediction relying on observation, analysis, initialization, and model development. One paper illustrates a systolic algorithm for matrix triangulation, as well as its uses in the Cholesky decomposition of covariance matrices. Another paper describes the Transient Reactor Analysis Code (TRAC) designed to deal with internal flow problems of nuclear reactors. One paper explains the application of large-scale aerodynamic simulation where the programmer can use finite difference techniques in which a large number of mesh points are strategically and orderly placed in the domain of the flow field. The collection is intended for undergraduates in mathematics, programming, computer science, or engineering courses, and designers or researchers involved in industrial facilities, aeronautics, and nuclear design.
