Spectrum notcher

Details Spectrum notcher Spectrum notcher

H - Electricity

04

B

328/1, 343/2, 32

H04B 15/00 (2006.01) H04B 1/12 (2006.01)

Patent

CA 1038934

ABSTRACT OF THE INVENTION Disclosed is an adaptive filter for suppressing interfering narrow-band signals in a composite signal con- taining a desired broad-band signal. The adaptive filter is useful in a system which uses a broad-band signal and signal processing apparatus to derive information from the broad- band signal. In one embodiment the system makes use of a delay line to provide a delayed replica of the composite signal which is used to provide a correction signal to cancel the interfering narrow-band signal. The desired broad-band signal is not canceled by the adaptive filter.

231325

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