PSK Demodulation system having carrier frequency variation compe

Details PSK Demodulation system having carrier frequency variation compe PSK Demodulation system having carrier frequency variation compe

1982-02-22

1985-06-25

LaRoche, Eugene R.

Demodulators

Amplitude modulation demodulator

Having specific distortion, noise or other interference...

329110, 329122, 329124, 329136, 375 83, 375120, H03D 302

Patent

active

045256764

ABSTRACT:
A system for demodulation of phase shift keying signals with a bandpass filter tracked to input carrier frequency variation. This system provides means for detecting phase variations in the regenerated carrier wave from the demodulated signal, and means for controlling the phase of the regenerated carrier wave to compensate for the demodulation error owing to input carrier frequency variation.

REFERENCES:
patent: 4308503 (1981-12-01), Scott
patent: 4339725 (1982-07-01), Ichiyoshi
patent: 4339823 (1982-07-01), Predina et al.
patent: 4361894 (1982-11-01), Kurihara et al.
patent: 4409562 (1983-10-01), Kurihara
patent: 4461014 (1984-07-01), Fujino

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