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Author : J. Barrie Billingsley
Release : 2002
Genre :
Kind : eBook
Book Rating : /5 ( reviews)
Book Synopsis Low-angle X-band Radar Ground Clutter Spatial Amplitude Statistics by : J. Barrie Billingsley
Download or read book Low-angle X-band Radar Ground Clutter Spatial Amplitude Statistics written by J. Barrie Billingsley. This book was released on 2002. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J. B. Billingsley
Release : 1991
Genre :
Kind : eBook
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Book Synopsis Radar Ground Clutter Measurements and Models. Part 1. Spatial Amplitude Statistics by : J. B. Billingsley
Download or read book Radar Ground Clutter Measurements and Models. Part 1. Spatial Amplitude Statistics written by J. B. Billingsley. This book was released on 1991. Available in PDF, EPUB and Kindle. Book excerpt: At MIT Lincoln Laboratory, we have collected a large multifrequency data base of radar ground clutter measurements from many sites. We employ our clutter data to develop clutter models. Of particular interest to us is the site-specific prediction of PPI ground clutter maps for ground-sited radars, that is, in simulating the spatial variation of ground clutter. This paper describes our measurements, and presents a statistical clutter model for spatial amplitude statistics based on depression angle, terrain type, RF frequency, and radar resolution.
Author : J. Barrie Billingsley
Release : 2002
Genre : Technology & Engineering
Kind : eBook
Book Rating : 305/5 ( reviews)
Book Synopsis Low-angle Radar Land Clutter by : J. Barrie Billingsley
Download or read book Low-angle Radar Land Clutter written by J. Barrie Billingsley. This book was released on 2002. Available in PDF, EPUB and Kindle. Book excerpt: In this unique book, Billingsley solves the problem of radar land clutter by showing the reader how to design and predict the performance of radars that operate in situations where echoes from the earth's surface interfere with radar target echoes.
Author : H. C. Chan
Release : 1989
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Book Synopsis Temporal Statistics of Low-Angle Ground Clutter by : H. C. Chan
Download or read book Temporal Statistics of Low-Angle Ground Clutter written by H. C. Chan. This book was released on 1989. Available in PDF, EPUB and Kindle. Book excerpt: Detailed knowledge of the temporal statistics of ground clutter is essential to determine the detection threshold settings so as to maximize the probability of target detection while maintaining an acceptable probability of false alarm. The performance of existing false alarm control schemes is often limited due to a lack of detailed knowledge of the ground clutter temporal statistics. In this study we analyze experimental data to characterize the temporal statistics of low-angle ground clutter in terms of the clutter's linear amplitude distribution. Effects of radar frequency, polarization, waveform resolution, land covers and wind speed on the statistics are examined. Results show that the Ricean distribution and its limiting case, the Rayleigh distribution, are appropriate models for ground clutter in steady-state wind conditions. This implies that the diffuse clutter components, which give rise to the random properties of ground clutter may be modeled as a complex Gaussian process. We found, however, that at any given time there is a fraction of the resolution cells with clutter data having nonstationary temporal statistics not well modelled by the Ricean or Rayleigh distribution. The frequency of occurrence of nonstationary clutter statistics depends on radar frequency, land cover and wind speed. Forested land cover represents the worst case scenario. Application of the results of this study to determine optimal detection threshold settings is discussed. Radar clutter; Phased array radar; S band; Canada. (edc).
