modulation and demodulation technique 调制解调技术 ; 调制解调方式
Chapter 6 summarizes all the works of the thesis and put forward some Suggestions to research optical PPM modulation and demodulation technique in the future.
第六章综述了本文的研究工作，提出了进一步研究光ppm调制解调技术的设想和建议。
Based on the theory of modulation and demodulation, a key technique to realize the real-time transmission of multi-path local signals has been studied, as well as according to circuit.
研究了采用调制与解调方法实现多路现场信号实时传输的关键技术，设计了相应的调制与解调电路，解决了多路现场信号实时传输过程中存在的问题。
By simulating the modulation process using MATLAB, the influence of different power spectrum estimation algorithm to the bit-error-rate performance of the demodulation technique is analyzed.
通过Matlab仿真了调制解调过程，分析了三种功率谱估计算法对解调误码性能的影响。
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