Identification of wavelet packet modulation signal based on SVM

Computer Engineering and Applications ›› 2013, Vol. 49 ›› Issue (18): 223-226.

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Identification of wavelet packet modulation signal based on SVM

DONG Tingliang1, TANG Xianghong1，2, MA Dandan1, LI Shuangxia1

1.School of Communication Engineering, Hangzhou Dianzi University, Hangzhou 310018, China
2.School of Information Engineering, Hangzhou Dianzi University, Hangzhou 310018, China

Online:2013-09-15 Published:2013-09-13

基于支持向量机的小波包调制信号识别

董庭亮1，唐向宏1，2，马丹丹1，李双霞1

1.杭州电子科技大学通信工程学院，杭州 310018
2.杭州电子科技大学信息工程学院，杭州 310018

Abstract

Abstract: Based on the difference of wavelet packet modulation signal and OFDM signal in the fractional Fourier domain distribution, the picture of received signal’s fractional Fourier domain distribution is processed by the image forming technology. In additive Gaussian white noise channel, Rayleigh fading channel and frequency selective fading channel, the characteristic parameters of the formed picture of fractional Fourier domain distribution are discussed. In addition, the modulation identification between OFDM and WPM is studied. The effectiveness of this method is done by the computer simulations.

Key words: wavelet packet modulation, modulation identification, fractional Fourier, image forming

摘要： 基于小波包调制信号和OFDM信号在分数阶傅里叶变换域分布的不同，利用图像成形技术对接收信号的分数阶傅里叶变换域分布图进行处理，探讨了小波包调制信号和OFDM信号的分数阶域分布成形图的特征参数，利用支持向量机做分类器，实现了这两种多载波调制信号的分类识别。计算机仿真结果，验证了算法的性能。

关键词: 小波包调制, 调制识别, 分数阶傅里叶, 图像成形

DONG Tingliang1, TANG Xianghong1，2, MA Dandan1, LI Shuangxia1. Identification of wavelet packet modulation signal based on SVM[J]. Computer Engineering and Applications, 2013, 49(18): 223-226.

董庭亮1，唐向宏1，2，马丹丹1，李双霞1. 基于支持向量机的小波包调制信号识别[J]. 计算机工程与应用, 2013, 49(18): 223-226.

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Identification of wavelet packet modulation signal based on SVM

基于支持向量机的小波包调制信号识别

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