Phase demodulator and its application to an MLS type landing system
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United States of America Patent
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May 14, 1991
Grant Date -
N/A
app pub date -
Apr 11, 1989
filing date -
Sep 4, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Disclosed is a demodulator for a phase-modulated wave, of the DPSK type for example, applicable to an MLS system. It has a local oscillator, the phase of which is modulated. The signal thus modulated is mixed with the incident signal to be demodulated. The signal coming from the mixer is applied to a loop, the output signal of which: controls the phase modulator; constitutes the output signal of the device.
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