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Sub-band STAP for stretch processed systems

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2 Author(s)
Mir, H. ; Univ. of Washington, WA ; Berkowitz, Z.

This paper considers adaptive jammer rejection algorithms applicable to wideband stretch-processed systems. Specifically, sub-banding algorithms in which the received data is first pre-processed into narrow frequency bins are studied. In conventional sub-band STAP, the received signal is divided into narrowband frequency bins, following which the interference is adaptively rejected in each bin. This usually requires that a different weight vector be computed for each sub-band. Alternatively, the received data can be pre-processed so that every sub-band is shifted to a common central sub-band. This enables computation of a single weight vector that can be applied to all of the shifted sub-bands. Simulation results are presented to assess the behavior and performance of these algorithms.

Published in:

Acoustics, Speech and Signal Processing, 2009. ICASSP 2009. IEEE International Conference on

Date of Conference:

19-24 April 2009