資源簡介
步進頻率信號散射矩陣提取,兩個目標點的HRRP圖形仿真-Stepping frequency signal scattering matrix extract
代碼片段和文件信息
%?SFW信號?FFT?兩個點目標?散射矩陣提取?Zhao[D]?edit?by?lzf?on?2013.01.07
%?function?[error_S1_abserror_S2_abs]=SFW(SNR)
%clear;
c=3e8;
fs=80e6;????%采樣率
freq_0=93e9;??????%起始頻點
delt_freq=5e6;??????%步進頻率
freq_N=512;?????%頻率步進點數
PRI=50e-6;??????%脈沖重復周期
%?duty_circle=0.1;
pulse_wide=2e-6;?????????%脈寬
t_fs=1/fs;??????%采樣周期
pulse_n=freq_N;
SNR=30;
t_pulse=t_fs:t_fs:PRI;
S1=[1-1i;-1i1];
R1=595;
v0_1=0;
S2=[10;0-1];
R2=603;
v0_2=0;
t_return_1=(2*R1/c)*ones(1PRI*fs);
pulse_return_1=[zeros(1round((2*R1/c)*fs))ones(1pulse_wide*fs)zeros(1((PRI-pulse_wide)*fs)-round((2*R1/c)*fs))];
t_return_2=(2*R2/c)*ones(1PRI*fs);
pulse_return_2=[zeros(1round((2*R2/c)*fs))ones(1pulse_wide*fs)zeros(1((PRI-pulse_wide)*fs)-round((2*R2/c)*fs))];
E_HH_separate=zeros(pulse_nPRI*fs);
E_HV_separate=zeros(pulse_nPRI*fs);
E_VH_separate=zeros(pulse_nPRI*fs);
E_VV_separate=zeros(pulse_nPRI*fs);
for?i2=1:pulse_n
????E_H_separate_1?=?S1*[exp(1i*2*pi*(freq_0+(i2-1)*delt_fre
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????????6540??2014-05-12?14:26??SFW1.m
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