Abstract
The problems of m-ary Position Phase Shift Keying (MPPSK) signal demodulation and anti-interference were considered. A novel matched filtering scheme of the MPPSK demodulator which used output signal of the special impacting filter were proposed. The interference was filtered out by coherent processing and band-pass filtering, then the output waveform was put into the matched filter (MF) to decode. The simulation results of the MPPSK demodulator based on the MF, was compared with the traditional adaptive threshold integral discrimination demodulation scheme. The simulation results indicated that the demodulation with inter-symbol anti-interference performance was better than the existing mainstream demodulation schemes.
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