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  • 大小: 30KB
    文件類型: .rar
    金幣: 1
    下載: 0 次
    發布日期: 2021-01-09
  • 語言: Matlab
  • 標簽: DS-CDMA??matlab??

資源簡介

親測可用。直接序列碼分多址(DS-CDMA)技術的原理是基于擴頻技術,將需要傳送的具有一定帶寬的信號,用另一個帶寬遠大于信號帶寬的高速偽隨機碼進行調制,使原數據信號的帶寬被擴展,即擴頻。

資源截圖

代碼片段和文件信息

%?************************beginning?of?file*****************************
%?autocorr.m?
%?
%?此函數實現一個序列的自相關運算
%?
?
function?[out]?=?autocorr(indata?tn)?
?
%%+++++++++++++++++++++++variables++++++++++++++++++++++++++++
%?indata????輸入序列
%?tn????????序列的周期長度
%?out???????自相關函數?
%++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
if?nargin?????tn?=?1;?
end?
?
ln??=?length(indata);?
out?=?zeros(1ln*tn);?
?
for?ii=0:ln*tn-1?
????out(ii+1)?=?sum(indata.*shift(indataii0));?
end?
?
%************************end?of?file**********************************

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

?????文件????????618??2009-03-19?20:19??DS_CDMA\autocorr.m

?????文件???????7052??2017-05-28?09:45??DS_CDMA\BER.dat

?????文件????????738??2009-03-21?13:42??DS_CDMA\comb2.m

?????文件????????595??2009-03-19?20:19??DS_CDMA\compconv2.m

?????文件????????686??2009-03-19?20:19??DS_CDMA\compoversamp2.m

?????文件????????691??2009-03-19?20:19??DS_CDMA\crosscorr.m

?????文件????????788??2009-03-19?20:19??DS_CDMA\delay.m

?????文件????????992??2009-03-19?20:19??DS_CDMA\despread.m

?????文件?????115712??2009-03-22?11:15??DS_CDMA\DS_CDMA?仿真源程序.doc

?????文件???????1974??2017-05-27?15:37??DS_CDMA\fade.m

?????文件????????627??2009-03-19?20:19??DS_CDMA\goldseq.m

?????文件???????1761??2017-05-27?11:13??DS_CDMA\hrollfcoef.asv

?????文件???????1761??2017-05-27?11:16??DS_CDMA\hrollfcoef.m

?????文件???????6774??2017-05-28?15:01??DS_CDMA\main_DSCDMA.asv

?????文件???????6774??2017-05-28?15:06??DS_CDMA\main_DSCDMA.m

?????文件???????1115??2009-03-21?13:42??DS_CDMA\mseq.m

?????文件????????700??2009-03-19?20:20??DS_CDMA\qpskdemod.m

?????文件????????935??2009-03-19?20:20??DS_CDMA\qpskmod.m

?????文件???????1515??2009-03-19?21:11??DS_CDMA\sefade.m

?????文件???????1246??2009-03-19?20:20??DS_CDMA\shift.m

?????文件????????987??2009-03-19?20:20??DS_CDMA\spread.m

?????目錄??????????0??2017-05-27?16:52??DS_CDMA\html

?????目錄??????????0??2017-07-22?17:43??DS_CDMA

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

???????????????154041????????????????????23


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