| 基于小波多重分形的通信信号调制识别 |
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| 引用本文： | 吴建飞,袁学华.基于小波多重分形的通信信号调制识别[J].航天电子对抗,2014(3):27-30. |
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| 作者姓名： | 吴建飞 袁学华 |
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| 作者单位： | [1]中国电子科技集团公司第38研究所,安徽合肥230088 [2]电子工程学院,安徽合肥230037 |
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| 摘 要： | 针对非平稳、信噪比变化范围较大的通信信号,采用小波多重分形的方法进行调制类型识别。先利用小波变换把通信信号进行分解,再对得到的细节信号计算多重分形维数。仿真结果表明,该方法对噪声和调制参数不敏感,可对通信中的数字调制信号进行有效识别。
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| 关 键 词： | 通信信号 小波 多重分形 调制识别 |
Communication signal modulation recognition based on wavelet and multifractal |
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| Wu Jianfei,Yuan Xuehua.Communication signal modulation recognition based on wavelet and multifractal[J].Aerospace Electronic Warfare,2014(3):27-30. |
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| Authors: | Wu Jianfei Yuan Xuehua |
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| Institution: | 1. No. 38 Research Institute of CETC, Hefei 230088,Anhui,China; 2. Electronic Engineering Institute, Hefei 230037, Anhui, China) |
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| Abstract: | The recognition of non-stationary and variation range SNR communication signal is difficult. A method of modulation recognition based on wavelet and multifractal is proposed. Firstly, the communication signal is decomposed with wavelet transform, and then the multifractal dimension of the detailed signal is calculated. The results of simulation show that this method is effective to recognize the digital communication signal modulation, and it is insensitive to the noise and modulation parameters. |
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| Keywords: | communication signal wavelet multifractal modulation recognition |
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