Low-angle Radar Land Clutter: Measurements and Empirical Models
In this text J.B. Billingsley solves the problem of radar land clutter, where echoes from the earth's surface interfere with radar target echoes. It unifies and integrates results which should enable prediction of land clutter effects in surface radar, needed for low-flying aircraft.
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agricultural terrain amplitude statistics antenna azimuth backscatter Beiseker Chapter clutter amplitude distributions clutter data clutter map clutter measurement clutter modeling information clutter patch clutter sources clutter spectra decreasing depression angle depression angle regime Doppler velocity DTED exponential farmland frequency band Gaussian grazing angle ground clutter HH VV HH high depression angle high-relief histogram illumination illumination angle land clutter land cover Lethbridge West Lincoln Laboratory lognormal low-angle clutter low-relief mean clutter strength mean strength measurement data median mountain multipath Plateau Mountain power-law propagation radar frequency range gate range interval range resolution ratio of standard Rayleigh repeat sector resolution cell samples SD/Mean Section shape parameter shape parameter aw shown in Figure shows shrubland spatial resolution specific spectral power spectral shape spectrum spread standard deviation-to-mean Table terrain patches terrain slope terrain types trees trend values variations VV HH VV Weibull distribution windblown X-band