Telecommunications and Radio Engineering
Erscheint 12 Ausgaben pro Jahr
ISSN Druckformat: 0040-2508
ISSN Online: 1943-6009
SJR:
0.185
SNIP:
0.268
CiteScore™::
1.5
H-Index:
22
Indexed in
ROBUST DFT-BASED SIGNAL PROCESSING FOR VEGETATION CLUTTER SUPPRESSION IN GROUND SURVEILLANCE DOPPLER RADARS
Volumen 70,
Ausgabe 18, 2011,
pp. 1659-1672
DOI: 10.1615/TelecomRadEng.v70.i18.50
ABSTRAKT
The problem of clutter suppression is considered for estimating short-time Fourier transform of radar backscattered signals. It is shown that the vegetation clutter has non-Gaussian and non- stationary nature. In this case it is reasonable to apply robust processing methods based on the adaptive estimators. The effectiveness of robust DFT approach is studied for solving the task of multicomponent signal filtering is investigated. It is demonstrated that the recently proposed adaptive DFT methods can increase noise suppression rate in comparison to both the standard DFT and median-based robust DFT methods.
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