A New Method for Polyphase Pulse Compression Codes Modulation Recognision Based on IQPF and FRFT
For the problem of typical polyphase codes recognition,an algorithm based on integrated quadratic phase function(IQPF)and fractional Fourier transform(FRFT)is proposed.Firstly,IQPF is used to estimate the chirp rate of the signals for pre classification.Then accurate identification is realized according to the spectral characteristics of the signals FRFT.The simulation results show that the probability of correct recognition is higher than 90%when signal to noise ratio(SNR)is above-7dB.
polyphase codes integrated quadratic phase function (IQPF) fractional Fourier transform (FRFT) modulation recognisionl
Xiaolei Fan Linzhou Li Tao Li Zengping Chen
College of Electronic Science and Engineering,National University of Defense Technology Changsha,China
国际会议
重庆
英文
1172-1176
2017-03-25(万方平台首次上网日期,不代表论文的发表时间)