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A Computational Method To Model Radar Return Range In A Polygonally Based Computer Generated Imagery Simulation
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Book Synopsis A Computational Method to Model Radar Return Range in a Polygonally Based, Computer-generated-imagery Simulation by :
Download or read book A Computational Method to Model Radar Return Range in a Polygonally Based, Computer-generated-imagery Simulation written by and published by . This book was released on 1986 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Earth Resources written by and published by . This book was released on 1986 with total page 760 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 1987 with total page 952 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NASA Tech Briefs written by and published by . This book was released on 1988 with total page 598 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Tech Notes written by and published by . This book was released on 1989 with total page 750 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1987-03 with total page 698 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Annual Index by :
Download or read book Government Reports Annual Index written by and published by . This book was released on 1987 with total page 954 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sections 1-2. Keyword Index.--Section 3. Personal author index.--Section 4. Corporate author index.-- Section 5. Contract/grant number index, NTIS order/report number index 1-E.--Section 6. NTIS order/report number index F-Z.
Book Synopsis Government Reports Annual Index: Corporate author by :
Download or read book Government Reports Annual Index: Corporate author written by and published by . This book was released on 1987 with total page 1028 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Annual Index: Keyword A-L by :
Download or read book Government Reports Annual Index: Keyword A-L written by and published by . This book was released on 1987 with total page 1260 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalog of United States Government Publications by :
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 1996 with total page 938 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Earth Resources: A Continuing Bibliography with Indexes (issue 53) by :
Download or read book Earth Resources: A Continuing Bibliography with Indexes (issue 53) written by and published by . This book was released on 1987 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NASA Tech Briefs Index written by and published by . This book was released on 1989 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Investigation of Digital Techniques for Radar Land Mass Simulation by : Pennsylvania Research Associates, Inc
Download or read book Investigation of Digital Techniques for Radar Land Mass Simulation written by Pennsylvania Research Associates, Inc and published by . This book was released on 1962 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781722711610 Total Pages :88 pages Book Rating :4.7/5 (116 download)
Book Synopsis Real-Time Processing of Radar Return on a Parallel Computer by : National Aeronautics and Space Administration (NASA)
Download or read book Real-Time Processing of Radar Return on a Parallel Computer written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-13 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: NASA is working with the FAA to demonstrate the feasibility of pulse Doppler radar as a candidate airborne sensor to detect low altitude windshears. The need to provide the pilot with timely information about possible hazards has motivated a demand for real-time processing of a radar return. Investigated here is parallel processing as a means of accommodating the high data rates required. A PC based parallel computer, called the transputer, is used to investigate issues in real time concurrent processing of radar signals. A transputer network is made up of an array of single instruction stream processors that can be networked in a variety of ways. They are easily reconfigured and software development is largely independent of the particular network topology. The performance of the transputer is evaluated in light of the computational requirements. A number of algorithms have been implemented on the transputers in OCCAM, a language specially designed for parallel processing. These include signal processing algorithms such as the Fast Fourier Transform (FFT), pulse-pair, and autoregressive modelling, as well as routing software to support concurrency. The most computationally intensive task is estimating the spectrum. Two approaches have been taken on this problem, the first and most conventional of which is to use the FFT. By using table look-ups for the basis function and other optimizing techniques, an algorithm has been developed that is sufficient for real time. The other approach is to model the signal as an autoregressive process and estimate the spectrum based on the model coefficients. This technique is attractive because it does not suffer from the spectral leakage problem inherent in the FFT. Benchmark tests indicate that autoregressive modeling is feasible in real time. Aalfs, David D. Unspecified Center...
Book Synopsis Radargrammetric Image Processing by : Franz W. Leberl
Download or read book Radargrammetric Image Processing written by Franz W. Leberl and published by . This book was released on 1990 with total page 634 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first user's guide to interpreting synthetic aperture radar (SAR) and side-looking radar (SLR) maps.
Book Synopsis Radar Image Simulation Project by : J. C. Holtzman
Download or read book Radar Image Simulation Project written by J. C. Holtzman and published by . This book was released on 1976 with total page 227 pages. Available in PDF, EPUB and Kindle. Book excerpt: This document reports the results of a radar image simulation study performed at the Remote Sensing Laboratory, The University of Kansas, Lawrence, Kansas. The work was sponsored by the U.S. Army Engineering Topographic Laboratories, Fort Belvoir, Virginia. The purpose of this study was to develop radar image simulation and feature extraction techniques. A general model for simulating radar imagery is developed. This model is applicable to both SLAR (Side-Looking Airborne Radar) and PPI (Plan Position Indicator) radar system image formats. It can produce simulations from both flat and mountainous terrain. The model requires as input a completely specified digital ground truth data base. The radar reflectivity data calculated for each image simulation can be determined from a variety of input data sources. The results presented in this document have all been produced using for input reflectivity data, empirical radar backscatter data from a large agricultural/soil moisture data bank available at the Remote Sensing Laboratory. Also reported is a technique for automating feature extraction, creation of data bases, and interactive radar simulation. A model is developed which incorporates an image analyst (human) in the decision process as the computer simulation program runs. Automatic pattern recognition software is used to pre-process the data base and the interpreter/simulator is given the flexibility to specify or alter previous specifications in real-time in synthesizing the radar image. (Author).
Book Synopsis Real-time Processing of Radar Return on a Parallel Computer by : David D. Aalfs
Download or read book Real-time Processing of Radar Return on a Parallel Computer written by David D. Aalfs and published by . This book was released on 1992 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
