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大小: 2KB文件類型: .rar金幣: 1下載: 0 次發(fā)布日期: 2021-01-01
- 語(yǔ)言: Matlab
- 標(biāo)簽:
資源簡(jiǎn)介
直接序列擴(kuò)頻通信(DSSS)MATLAB仿真程序,包括M序列的生成,QPSK調(diào)制解調(diào)!
代碼片段和文件信息
%DSSS?系統(tǒng)的仿真;
clc;
clear;
Fs=614400;??????????????????????%碼片速率
Nsam=8;?????????????????????????????%每碼片采樣點(diǎn)數(shù);
N=128;??????????????????????????????????%擴(kuò)頻因子;
frameLength=100; %幀長(zhǎng);
Data_I=randsrc(1frameLength[-11]);
Data_Q=randsrc(1frameLength[-11]);
PN=[0 0 0 0 0 0 0 1 0 0 1 0 0 1 1 0 1 0 0 1 1 1 1 0 1 1 1 0 0 0 0 1 1 1 1 1 1 1 0 0 0 1 1 1 0 1 1 0 0 0 1 0 1 0 0 1 0 1 1 1 1 1 0 1 0 1 0 1 0 0 0 0 1 0 1 1 0 1 1 1 1 0 0 1 1 1 0 0 1 0 1 0 1 1 0 0 1 1 0 0 0 0 0 1 1 0 1 1 0 1 0 1 1 1 0 1 0 0 0 1 1 0 0 1 0 0 0 1];
%每符號(hào)128×8個(gè)樣點(diǎn)
Data_sam=[1];
for?i=1:length(Data_I)
????temp=[];
????for?j=1:N*Nsam
????????temp(j)=Data_I(i);
????end;
????Data_sam=[Data_sam?temp];
end;
I_sam=Data_sam(2:length(Data_sam));
Data_sam=[1];
for?i=1:length(Data_Q)
????temp=[];
????for?j=1:N*N
?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????文件???????1785??2005-06-14?15:18??DSSS_Matlab程序\dsss.m
?????文件???????2018??2005-06-14?15:13??DSSS_Matlab程序\gold_generator.m
?????文件???????1132??2005-06-14?15:10??DSSS_Matlab程序\pn_generator.m
?????目錄??????????0??2011-03-12?10:22??DSSS_Matlab程序
-----------?---------??----------?-----??----
?????????????????4935????????????????????4
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