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Proceedings Paper

Adaptive Notch Filtering
Author(s): A. VanderBugt
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Paper Abstract

Computer programs were written to simulate the performance of an adaptive optical filtering system that is implemented in the frequency domain. Since this system uses Bragg cells as both the delay line and the accumulator, the primary interest is on the effects of finite integration times within the accumulator. By tapering the contributions to the accumulator so that the values that leave the accumulator do not cause as much misadjustment to the weights, the performance of the system is significantly improved while maintaining the ability to respond to changing signal statistics. Several examples of the performance of the system in the presence of multiple jammers as a function of the number of taps, the length of the accumulator, the degree of accumulator tapering and the feedback gain are given.

Paper Details

Date Published: 23 December 1983
PDF: 8 pages
Proc. SPIE 0388, Advances in Optical Information Processing I, (23 December 1983); doi: 10.1117/12.934996
Show Author Affiliations
A. VanderBugt, Harris Corporation (United States)

Published in SPIE Proceedings Vol. 0388:
Advances in Optical Information Processing I
G. Michael Morris, Editor(s)

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