clear

N?=?100;

clear
N?=?1000;

t?=?0:10/N:10-10/N;
zt?=?60*（pdf（‘Normal‘?t-8?0?0.3）?+?pdf（‘Normal‘?t?0?0.8））+rand（11000）*3;
figure（1）;
x?=?0:100/1000:100-100/1000;
plot（xzt）;
%%構建了一個1000個點的時間分布為上的一個隨機信號的概率密度函數值

[XY]=meshgrid（-5:0.1:10-5:0.1:10）;?
xy?=?[X（:）?Y（:）];
p=mvnpdf（xy[][]）;?P=reshape（psize（X））;

[XY]=meshgrid（-10:0.1:5-5:0.1:10）;?
xy?=?[X（:）?Y（:）];
p1=mvnpdf（xy[][]）;?P1=reshape（p1size（X））;
figure（3）
surf（XYP1）;
axis?tight


X?=?0:160/100:160;
Y?=?0:160/150:160;
PS?=?P/3+P1;
PS?=?（PS（:50:150）?+?randn（151101）/500）*600;
figure（2）;
surf（XYPS）;
axis?tight

%%只是給出了一個二維正太分布的概率密度函數。。。。。

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????709??2012-05-23?11:17??循環檢測程序\a.asv

?????文件????????709??2012-05-23?11:17??循環檢測程序\a.m

?????文件???????1344??2012-05-24?15:53??循環檢測程序\createbandQAM.m

?????文件???????1626??2013-03-22?09:13??循環檢測程序\cyclostationary\application.m

?????文件???????2802??2012-06-30?15:20??循環檢測程序\cyclostationary\app_bpsk.m

?????文件???????5121??2012-05-31?18:12??循環檢測程序\cyclostationary\bpsk.mat

?????文件???????1964??2012-06-01?10:47??循環檢測程序\cyclostationary\CPS_application.m

?????文件???????4568??2012-05-28?15:41??循環檢測程序\cyclostationary\CPS_W.m

?????文件???????1366??2012-06-29?16:17??循環檢測程序\cyclostationary\createbandQAM.m

?????文件????????455??2012-05-31?16:37??循環檢測程序\cyclostationary\createbpsk.m

?????文件????????908??2012-06-29?11:09??循環檢測程序\cyclostationary\getcps.m

?????文件????????758??2012-06-30?15:49??循環檢測程序\cyclostationary\getpd.m

?????文件???????1379??2012-06-30?15:17??循環檢測程序\cyclostationary\getres.m

?????文件????????675??2012-06-01?15:48??循環檢測程序\cyclostationary\getscor.m

?????文件???????4878??2012-06-29?11:30??循環檢測程序\cyclostationary\qam.mat

?????文件???????1421??2012-06-01?17:03??循環檢測程序\cyclostationary\Rx_cps.m

?????文件???????5633??2012-05-28?16:08??循環檢測程序\cyclostationary\SCoh_W.m

?????文件????????282??2012-06-29?16:21??循環檢測程序\cyclostationary\testfft.m

?????文件?????770778??2012-05-28?16:00??循環檢測程序\cyclostationary\testnoise.mat

?????文件?????764071??2012-05-28?15:05??循環檢測程序\cyclostationary\testsignal.mat

?????文件????????676??2012-06-30?15:26??循環檢測程序\cyclostationary\top_pdpf.m

?????文件??????23200??2012-05-30?16:03??循環檢測程序\cyclostationary\tt.mat

?????文件?????800184??2012-05-28?14:29??循環檢測程序\cyclostationary\x.mat

?????文件????????240??2012-05-25?17:14??循環檢測程序\ins_correlation.asv

?????文件????????323??2012-05-25?17:16??循環檢測程序\ins_correlation.m

?????文件????????424??2012-05-23?10:36??循環檢測程序\nengliang.m

?????文件???????2138??2012-05-28?14:59??循環檢測程序\QAM.mat

?????文件???????3629??2012-05-25?10:43??循環檢測程序\QAM.txt

?????文件????1480028??2012-05-23?16:08??循環檢測程序\s1.txt

?????文件???????1182??2012-05-28?15:04??循環檢測程序\Untitled.asv

............此處省略12個文件信息