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To realize high speed DSP HF channel 8 PSK signal demodulation

Author: GuanMin
Tutor: ChenWeiHuai
School: PLA Information Engineering University
Course: Communication and Information System
Keywords: Software radio
CLC: TN762
Type: Master's thesis
Year: 2002
Downloads: 299
Quote: 0
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Abstract


This paper, by using the idea of software radio, this paper puts forward a kind of HF channel 8 PSK signal low frequency sampling digital demodulation scheme. To realize this plan discussed the three core algorithm: the maximum average power timing synchronization algorithm, decision feedback type phase lock loop and kalman equalizer, analysis their basic theory, and the performance test. The test shows that the three to eight PSK signal theory respectively of a synchronous extraction, carrier recovery and channel equalization and good results have been achieved. Finally, summarized the C6x DSP real-time demodulation software programming using hybrid programming technology, software flow technology and table tennis mode DMA transmission technology.

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Basic electronic circuits > Modulation technique and the modulator,demodulator and the demodulator > Encoder
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