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Direction finding with null steering at baseband using digital signal processors: a computer simulation

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2 Author(s)
Vu, T.B. ; Sch. of Electr. Eng. & Comput. Sci., New South Wales Univ., Sydney, NSW, Australia ; Rathinam, M.

Results are presented from a computer simulation program that compares a number of methods of processing baseband direction-finding signals such as those from radar, sonar, seismology, or radioastronomy measurements at baseband that are used for real-time applications. It is shown that null steering at baseband amplitude-only control can be successfully applied to improve the accuracy in determining the direction of arrival (DOA) of an unknown source. In the presence of a large number of interfering sources as well as white noise, the direction-finding method that incorporates null steering has proved to be most effective in minimizing the error.<>

Published in:

Antennas and Propagation Society International Symposium, 1988. AP-S. Digest

Date of Conference:

6-10 June 1988