資源簡介
產生OFDM Chirp波形,包括時域表示和頻域表示,用于mimo雷達,且附有參考文獻,里面有波形的時頻域表示,以便進一步研究
代碼片段和文件信息
%?mimo?sar?ofdm?chirp?waveform?diversity?design?with?random?matrix?modulation?
%?Wen?Qin?Wang
clear?all
clc
%%??波形參數??%%
deltaf?=?50e6;%50Mhz
Tb?=?1.0e-6;??%1us
k?=?50e12;????%調頻率
M?=?8;????????%列,8個chip
N?=?8;????????%行,8個subcarrier
Tp?=?8*Tb;????%脈沖時寬
B?=?8*deltaf;????%脈沖帶寬?400e6
fs?=?400e6;?
n?=?round(Tp*fs);%采樣點個數(信號點數)
t?=?linspace((Tp-0)/nTpn);
j?=?sqrt(-1);
f18?=?7*deltaf;
f26?=?5*deltaf;
f31?=?0*deltaf;
f43?=?2*deltaf;
f55?=?4*deltaf;
f64?=?3*deltaf;
f72?=?1*deltaf;
f87?=?6*deltaf;
%%?定義每個碼片內信號的幅度???(截取碼片對應的數據)
a?=?ones(1length(t));
%?a1
for?i?=?1:length(t)/8
????a1(i)?=?a(i);
end
for?i?=?length(t)/8+1:length(t)
????a1(i)?=?0;
end
%a2
for?i?=?1:length(t)/8
????a2(i)?=?0;
end
for?i?=?length(t)/8+1:2*length(t)/8
????a2(i)?=?a(i);
end
for
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????2666302??2017-12-20?18:26??mimo?radar?OFDM?Chirp?waveform?design\MIMO?SAR?OFDM?Chirp?Waveform?Diversity?Design?With?Random?Matrix?Modulation.pdf
?????文件???????3036??2017-12-20?12:12??mimo?radar?OFDM?Chirp?waveform?design\ofdmchirpa1.m
?????文件???????3017??2017-12-20?12:13??mimo?radar?OFDM?Chirp?waveform?design\ofdmchirpa2.m
?????目錄??????????0??2017-12-27?12:20??mimo?radar?OFDM?Chirp?waveform?design
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??????????????2672355????????????????????4
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