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基于瞬时幅度与小波分析相结合的数字调制制式的自动识别
Automatic Classification of Digital Modulated Types Based on the Combination of Instantaneous Amplitude and Wavelet Transform
【摘要】 本文提出了一种基于信号瞬时幅度与小波分析相结合的数字调制制式的自动识别新算法。该算法计算简单、实时性强,能够成功识别2ASK、4ASK、2FSK、4FSK及2PSK5种信号。仿真结果表明,该算法具有较高的识别率。
【Abstract】 A new algorithm based on the combination of instantaneous amplitude of signal and wavelet transform is proposed for automatic identification of digital modulated signals.This algorithm is featured by simple computation and real time processing. The 2ASK,4ASK,2FSK,4FSK and 2PSK signals are classified successfully.Simulation results show the accuracy of the algorithm.
【关键词】 调制识别;
小波变换;
瞬时幅度;
【Key words】 Modulation recognition; Wavelet transformation; Instantaneous amplitude;
【Key words】 Modulation recognition; Wavelet transformation; Instantaneous amplitude;
【基金】 哈尔滨工程大学基础研究基金资助项目(HEUF04102)
- 【文献出处】 电讯技术 ,Telecommunication Engineering , 编辑部邮箱 ,2005年04期
- 【分类号】TN911
- 【被引频次】6
- 【下载频次】150