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    文件類型: .rar
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    發布日期: 2021-06-01
  • 語言: Matlab
  • 標簽: MATLAB??三維圖??

資源簡介

雷達不確定函數與模糊函數的 MATLAB 三維仿真圖和等高仿真圖,適合研究雷達模糊函數人員下載學習

資源截圖

代碼片段和文件信息

function?[ambig]?=?barker_ambig(uinput)
%?Compute?and?plot?the?ambiguity?function?for?a?Barker?code
%Compute?the?ambiguity?function
%?by?utilizing?the?FFT?through?combining?multiple?range?cuts
N?=?size(uinput2);
tau?=?N;
Barker_code?=?uinput;
samp_num?=?size(Barker_code2)?*10;
n?=?ceil(log(samp_num)?/?log(2));
nfft?=?2^n;
u(1:nfft)?=?0;
j?=?0;
for?index?=?1:10:samp_num
????index;
????j?=?j+1;
????u(index:index+10-1)?=?Barker_code(j);
end
v?=?u;
delay?=?linspace(-tau?tau?nfft);
freq_del?=?12?/?tau?/100;
j?=?0;
vfft?=?fft(vnfft);
for?freq?=?-6/tau:freq_del:6/tau;
????j?=?j+1;
????exf?=?exp(sqrt(-1)?*?2.?*?pi?*?freq?.*?delay);
????u_times_exf?=?u?.*?exf;
????ufft?=?fft(u_times_exfnfft);
????prod?=?ufft?.*?conj(vfft);
????ambig(:j)?=?fftshift(abs(ifft(prod))‘);
end
freq?=?-6/tau:freq_del:6/tau;
delay?=?linspace(-NNnfft);
figure?(1)
mesh(freqdelayambig?./?max(max(ambig)))
colormap([.5?.5?.5])
colormap(gray)
axis?tight
xlabel(‘frequency‘)
ylabel(‘delay‘)
zlabel(‘ambiguity?function‘)
figure?(2)
value?=?10?*?N?;
plot(delayambig(:51)/value‘k‘)
xlabel(‘delay‘)
ylabel(‘normalized?amibiguity?cut?for?f=0‘)
grid
axis?tight
figure?(3)
contour(freqdelayambig?./?max(max(ambig)))
colormap([.5?.5?.5])
colormap?(gray)
xlabel(‘frequency‘)
ylabel(‘delay‘)
grid?on


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

?????文件???????1334??2003-06-02?13:55??chap4\Barker_ambig.m

?????文件????????806??2003-07-03?14:54??chap4\Fig4_2.m

?????文件????????373??2003-06-03?16:40??chap4\fig4_4.m

?????文件????????620??2003-06-03?16:48??chap4\fig4_5.m

?????文件????????596??2003-06-25?15:01??chap4\Fig4_6.m

?????文件????????313??2003-06-03?17:08??chap4\fig4_8.m

?????文件????????452??2003-06-14?15:42??chap4\lfm_ambg.m

?????文件????????847??2003-06-14?17:32??chap4\myradar_visit4.m

?????文件???????1339??2003-07-22?13:42??chap4\prn_ambig.m

?????文件????????406??1999-11-07?12:51??chap4\single_pulse_ambg.m

?????文件????????841??2003-06-25?15:06??chap4\train_ambg.m

?????目錄??????????0??2018-03-10?12:30??chap4

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

?????????????????7927????????????????????12


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