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Estimation of the Number of Unresolvable Targets Producing a Single Radar Return
Author(s) -
Beckmann Petr
Publication year - 1967
Publication title -
radio science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.371
H-Index - 84
eISSN - 1944-799X
pISSN - 0048-6604
DOI - 10.1002/rds196729955
Subject(s) - radar , radar cross section , function (biology) , signal (programming language) , computer science , statistical physics , scattering , algorithm , distribution (mathematics) , mathematics , physics , mathematical analysis , telecommunications , optics , evolutionary biology , biology , programming language
The problem of estimating the number of unresolvable targets in a close configuration producing a single radar return is investigated by analyzing the slow fluctuations of the received signal. It is assumed that the targets have identical statistical properties. If nothing is known about the scattering cross section S of a single target, the problem is shown to have no unique solution. Solutions are given for the case when the mean of S is known, when only the type of distribution of S is known, and when the correlation function of the random process S ( t ) is known. Verification of the results by computer simulation is reported.