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Modulation technology is very important in the field of communication. A good modulation technology not only can save spectrum resources but also can provide a good channel performance. This paper is based on TCM+8PSK modulation demodulation principle of waveform research and analysis, which aims at analysis and design of the key technologies of 8PSK optimization algorithm and implementation, and the performance of the model simulation at the same time. The simulation results show that the TCM+8PSK modulation and demodulation techniques are used to obtain high gain in 225-512MHzUHF frequency band. At the same time, it has good performance in anti-multipath equalization, and the optimization algorithm has good performance in high speed digital transmission and antiinterference.

Optimization Algorithm and Implementation of 8PSK Modulation