Co-channel interference detector

Details Co-channel interference detector Co-channel interference detector

1997-01-16

1998-07-21

Isen, Forester W.

Electrical audio signal processing systems and devices

Binaural and stereophonic

Broadcast or multiplex stereo

455303, 455312, 455296, H04H 500

Patent

active

057844666

ABSTRACT:
An interference detection assembly is disclosed for detecting interference generated from a plurality of signals received by a receiver having a single output signal, the interference detection assembly including a synchronous demodulator having an input line electrically connected to a receiver to receive the single output signal therefrom, the synchronous demodulator converting the single output signal to generate an intermediate frequency signal, the synchronous demodulator having a Q-channel output transmitting a phase of the single output signal out therefrom, and a pilot detector electrically connected to the Q-channel output to receive the phase of the output signal to detect interference.

REFERENCES:
patent: 4504966 (1985-03-01), Hershberger

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