%AWGN信道下能量檢測曲線
clear?all;
clc;
Sim_Times=10000;?%Monter-Carlo?times???
m=5;???%采樣總時間?
W=1;???%w為信號的最高頻率，當為正弦但因信號時為單音信號的頻率
Fs=2;?????%采樣頻率
N?=Fs*m;????%?采樣點數
base=?0.01:0.02:1;
Pf?=base.^2;??????%False?alarm
%%%%%%%%%%%%%%%%%%%%snr=-3%%%%%%%%%%%%%%%%%%%%
snr_avgdB1?=-3;??
snr_avg1?=?power（10snr_avgdB1/10）;
for?i=1:length（Pf）
????Over_Num_awgn（i）?=?0;?
????Th_sim（i）?=??chi2inv（1-Pf（i）N）;
????Th_theory（i）?=?gaminv（1-Pf（i）m1）*2;?
????%Monter-Carlo?simualtion
????for?kk?=?1:Sim_Times??????????
????????t?=?（kk-1）*N+1:kk*N;
????????F0=W;
????????A=10;
????????init_phase?=?1/6*pi;
????????SingleTone=A*sin（2*pi*F0/Fs*t?+?init_phase）;?
????????Signal?=?SingleTone;????????
????????%awgn?channels
?????????Noise_awgn?=?randn（1N）;???
????????AvgPower_Noise_awgn=sum（abs（Si

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2013-06-16?17:55??single?detection\
?????文件????????5009??2013-05-24?00:34??single?detection\AwgnEnergy.m
?????文件????????1728??2013-05-24?00:44??single?detection\matchfilter.m
?????文件????????2993??2013-05-24?02:35??single?detection\zhouqi.m