clear?all
clc
N=1024;
q=input（‘請輸入1或0（輸入1產生有色噪聲，輸入0代表產生白色噪聲）‘）;
switch?q
????case?1
?????????%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
?????????%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
?????????%function?y=Randn_ab（Nab）%%%%%%%%%%%%%%%有色噪聲
?????????%?N為隨機序列長度；
?????????a=input（‘請輸入噪聲均值‘）;
?????????b=input（‘請輸入噪聲方差‘）;
?????????x1=randn（1N）;
?????????y1=a+sqrt（b）*x1;
?????????figure（1）;
?????????plot（y1）;
?????????title（‘有色噪聲時域圖‘）;
?????????fid=fopen（‘noise.dat‘‘wb‘）;
?????????fwrite（fidy1‘uint16‘）;
?????????%?把產生的隨機數存儲到文件noise.dat；
?????????%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
?????????%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%白色噪聲
????case?0
?????????Pow=input（‘請輸入白噪聲的功率‘）;
?????????y2=wgn（1NPow）;
?????????figure（1）;
?????????plot（y2）;
?????????title（‘白色噪聲時域圖‘）;
?????????fid=fopen（‘noise.dat‘‘wb‘）;
?????????fwrite（fidy2‘uint16‘）;
?????????fs=2.5*10^6;
?????????[corylag]=xcorr（y2‘unbiased‘）;?
?????????figure（2）;
?????????plot（lag/fscory）;?
?????????title（‘白噪聲的自相關函數圖‘）;
?????????cory=[zeros（11023）cory（1024）zeros（11023）];
?????????fc=fft（cory）;?
?????????cm=abs（fc）;?
?????????fl=（0:length（fc）-1）‘*fs/length（fc）;?
?????????figure（3）;
?????????plot（flcm）;
?????????title（‘白噪聲的功率圖‘）;
end

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

?????文件????1605942??2008-12-17?10:57??課程設計\grtyht.bmp

?????文件??????77878??2008-12-17?09:47??課程設計\TEK0000.BMP

?????文件??????77878??2008-12-17?15:53??課程設計\TEK0001.BMP

?????文件???????1941??2008-12-05?08:56??課程設計\yan\counter00.bsf

?????文件????????854??2008-12-05?08:56??課程設計\yan\counter00.inc

?????文件???????4053??2008-12-05?08:56??課程設計\yan\counter00.v

?????文件???????3374??2008-12-05?08:56??課程設計\yan\counter00_bb.v

?????文件???????9861??2008-12-02?20:19??課程設計\yan\db\altsyncram_i631.tdf

?????文件???????4613??2008-12-02?20:19??課程設計\yan\db\cntr_jeh.tdf

?????文件????????140??2008-12-02?20:39??課程設計\yan\db\wed.zsf

?????文件????????945??2008-12-17?09:25??課程設計\yan\db\zdrand.（0）.cnf.cdb

?????文件????????554??2008-12-17?09:25??課程設計\yan\db\zdrand.（0）.cnf.hdb

?????文件???????1365??2008-12-02?20:19??課程設計\yan\db\zdrand.（1）.cnf.cdb

?????文件????????512??2008-12-02?20:19??課程設計\yan\db\zdrand.（1）.cnf.hdb

?????文件???????1373??2008-12-02?20:19??課程設計\yan\db\zdrand.（2）.cnf.cdb

?????文件????????738??2008-12-02?20:19??課程設計\yan\db\zdrand.（2）.cnf.hdb

?????文件???????1456??2008-12-02?20:19??課程設計\yan\db\zdrand.（3）.cnf.cdb

?????文件????????553??2008-12-02?20:19??課程設計\yan\db\zdrand.（3）.cnf.hdb

?????文件???????1134??2008-12-02?20:19??課程設計\yan\db\zdrand.（4）.cnf.cdb

?????文件????????632??2008-12-02?20:19??課程設計\yan\db\zdrand.（4）.cnf.hdb

?????文件???????2631??2008-12-13?13:47??課程設計\yan\db\zdrand.（5）.cnf.cdb

?????文件????????574??2008-12-13?13:47??課程設計\yan\db\zdrand.（5）.cnf.hdb

?????文件???????1054??2008-12-02?20:19??課程設計\yan\db\zdrand.（6）.cnf.cdb

?????文件????????496??2008-12-02?20:19??課程設計\yan\db\zdrand.（6）.cnf.hdb

?????文件???????1058??2008-12-02?20:19??課程設計\yan\db\zdrand.（7）.cnf.cdb

?????文件????????589??2008-12-02?20:19??課程設計\yan\db\zdrand.（7）.cnf.hdb

?????文件???????1641??2008-12-02?20:19??課程設計\yan\db\zdrand.（8）.cnf.cdb

?????文件????????639??2008-12-02?20:19??課程設計\yan\db\zdrand.（8）.cnf.hdb

?????文件???????1516??2008-12-17?09:16??課程設計\yan\db\zdrand.analyze_file.qmsg

?????文件???????1602??2008-12-17?09:25??課程設計\yan\db\zdrand.asm.qmsg

............此處省略110個文件信息