high_cumulation_recognize_signal 高阶循环累积量对信号进行识别

高阶循环累积量对信号进行识别，该文件代码完整，适合学习，可以直接更改来识别信号

clc;
clear all;
close all;

%RB=1000;%符号速率1KHz
%Fs=1000;%采样速率1kHz
M=3;
Fd=1;%每符号1采样
N_symbol=500; %符号数
sig_len=Fd.*N_symbol;
snr=-5:1:20;
N_times=100;
Pc1=zeros（3length（snr））;
cnt=0;
%cnt2=0;
%cnt3=0;
c40_16qam=zeros（1length（snr））;
c40_4pam=zeros（1length（snr））;
C40_p=zeros（1N_times）;

for omiga=1:2
 for q=1:length（snr）
  
  for l=1:N_times
%   omiga=randi（[0M-1]11）;
   
    switch omiga
        case 0
            s=pskmod（randi（[07]1sig_len）8）;%%%%%8psk调制
        case 1
            s=qammod（randi（[015]1sig_len）16）;%16qam调制
        case 2
            s=pammod（randi（[03]1sig_len）4）;%4pam调制
        case 3
            s=pskmod（randi（[01]1sig_len）2）;%bpsk调制
    end
   
       s=s-mean（s）;
       sig=s;
       s=awgn（ssnr（q）‘measure

 属性            大小     日期    时间   名称
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     文件      12473  2012-05-11 13:18  high_cumulation\high_cumulation\16QAM_PC_SNR.png

     文件      10480  2012-05-11 13:20  high_cumulation\high_cumulation\4PAM_PC_SNR.png

     文件      10145  2012-05-11 13:17  high_cumulation\high_cumulation\8psk_pc_snr.png

     文件       9606  2012-05-11 13:22  high_cumulation\high_cumulation\BPSK_PC_SNR.png

     文件       8291  2012-07-17 12:39  high_cumulation\high_cumulation\c40_16qam_4pam.fig

     文件       2405  2012-07-17 12:33  high_cumulation\high_cumulation\c40_SNR.asv

     文件       2512  2012-07-17 13:29  high_cumulation\high_cumulation\c40_SNR.m

     文件         52  2012-05-11 10:34  high_cumulation\high_cumulation\ex1.m

     文件         35  2012-05-06 21:36  high_cumulation\high_cumulation\ex_abs.m

     文件     384668  2012-05-05 11:03  high_cumulation\high_cumulation\Hierarchical Digital Modulation Classification Using Cumulants.PDF

     文件       1848  2012-05-11 11:05  high_cumulation\high_cumulation\Pc-SNR.asv

     文件       2050  2014-04-27 21:42  high_cumulation\high_cumulation\pc_SNR.asv

     文件       2082  2014-04-27 22:03  high_cumulation\high_cumulation\pc_SNR.m

     文件      13193  2012-05-11 13:06  high_cumulation\high_cumulation\pc_SNR.png

     文件       8486  2012-07-13 14:47  high_cumulation\high_cumulation\qpsk_fx1_fx2.fig

     文件       2522  2012-07-13 15:18  high_cumulation\high_cumulation\tzsb.asv

     文件       2239  2012-07-13 15:23  high_cumulation\high_cumulation\tzsb.m

     文件       2636  2012-07-13 15:26  high_cumulation\high_cumulation\tzsb_2.m

     文件       2160  2012-07-13 14:38  high_cumulation\high_cumulation\tzsb_fx_multi.asv

     文件       2395  2012-07-13 14:52  high_cumulation\high_cumulation\tzsb_fx_multi.m

     文件       8364  2012-07-13 15:22  high_cumulation\high_cumulation\错误.fig

     文件     161792  2012-05-11 13:33  high_cumulation\high_cumulation\高阶累积量调制识别专题.ppt

     目录          0  2012-10-06 09:29  high_cumulation\high_cumulation

     目录          0  2014-04-27 21:11  high_cumulation

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