INVESTIGATION OF CHIRP INTERFERENCE ON M-FSK DEMODULATION USING RAC
AffiliationThe Aerospace Corporation
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AbstractRecently, many satellite systems started to employ reflective-array compressor (RAC) to demodulate their M-FSK communication signals. Because the RAC’s time delay varies with the temperature, pilot-tones are usually introduced as the operational reference. In this paper, the basic chirp Fourier transform (CFT) is briefly reviewed. Then, investigation into possible pilot-tone interference caused by various chirp signals with RAC’s dispersive delay properties is presented and discussed.
SponsorsInternational Foundation for Telemetering