A ASK Demodulation Method Based on Self-adaptive Filtering and Its Performance
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摘要: 研究了一种基于自适应滤波算法的振幅移位键控 (ASK)信号的方法。采用常用的最小均方误差(LMS)自适应算法 ,研究了自适应解调方法对ASK信号的解调及其性能。计算机模拟结果表明 :自适应ASK解调比传统的ASK解调性能优越 ,便于用数字信号处理技术实现。Abstract: A amplitude shift keying(ASK) demodulation method based on adaptive filtering was discussed in this paper. The demodulation and performance of adaptive demodulation method to ASK signals was studied by Least Mean Squares algorithm(LMS) in common use. Simulation results of computer indicated that the adaptive demodulation method had better performance than the traditional demodulation method, and it is easy to realize by digital singnal processing(DSP) technology.
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Key words:
- signal processing /
- demodulation /
- ASK /
- self adaptive /
- filter
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