function?[outputArg1]?=?detect2（inputArg1）
%UNtitleD5?此處顯示有關(guān)此函數(shù)的摘要
%???此處顯示詳細(xì)說(shuō)明


A1=inputArg1;
fai=pi/3;
var=1;
f0=0.1;???????%正弦信號(hào)頻率
N=20;????????%觀測(cè)數(shù)據(jù)長(zhǎng)度
PF=0.01;??????%虛警
M=1000;???????%蒙特卡洛仿真次數(shù)
I=0;
sn=zeros（1N）;
randn（‘state‘0）;
for?i=1:N
????sn（1i）=A1*cos（2*pi*f0*（i-1）+fai）;
end

for?i=1:M

????wn=randn（1N）;??????%產(chǎn)生均值為0，方差為1的噪聲，長(zhǎng)度為觀測(cè)信號(hào)長(zhǎng)度
????zn=sn+wn;???????????%產(chǎn)生觀測(cè)
????Tz=abs（sum（（exp（-pi*f0*（0:（N-1））*2j）.*zn）‘））^2/N;???%周期圖形式的統(tǒng)計(jì)量
????%sn_power=zn*zn‘;
????p=IQx22（PF）*var/2;?????%判決門(mén)限
????Tz1=Tz-p;
????if?Tz1>0
????????I=I+1;
????end
end
PD1=I/M;
outputArg1?=PD1;
end

?屬性????????????大小?????日期????時(shí)間???名稱(chēng)
-----------?---------??----------?-----??----

?????文件????????700??2019-06-11?19:32??signal_detect\detect2.m

?????文件????????925??2019-06-11?19:05??signal_detect\detect3.m

?????文件????????656??2019-06-11?18:59??signal_detect\f_signal_detect2.m

?????文件????????156??2019-06-11?16:11??signal_detect\IQx22.m

?????文件????????663??2019-06-12?08:57??signal_detect\Qx22.m

?????文件????????639??2019-06-11?19:33??signal_detect\signal_detection2.m

?????目錄??????????0??2019-06-18?21:28??signal_detect

-----------?---------??----------?-----??----

?????????????????3739????????????????????7