Phase modulation measurement system

Details Phase modulation measurement system Phase modulation measurement system

1993-08-06

1995-08-15

Chin, Stephen

Pulse or digital communications

Testing

324 7611, 34087025, 4552261, H04B 346

Patent

active

054426545

ABSTRACT:
Telemetry signals from missiles experience extreme phase distortion during interstage separation events. A phase modulation measurement system can calculate the steady state phase deviation of a biphase telemetry transmitter using: a telemetry receiver, a demodulator, a digitizer oscilloscope and a computer. The telemetry receiver receives and down converts phase modulated telemetry signals into intermediate frequency signals which are demodulated by the demodulator. After the digitizing oscilloscope digitizes the demodulated signals, the computer calculates the phase deviation.

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patent: 5249203 (1993-09-01), Loper

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