#include?
#include?
#include?

#define?NN?10

void?xcorr（float?*r?unsigned?short?*x?unsigned?short?*y?int?N）;

int?main（）
{??
????unsigned?short?x[10]={1122345678};
????unsigned?short?y[10]={1345678952};
????float?r[19]?=?{0};
????
????FILE?*fp_out;
????int?delay;
????
????xcorr（r?x?y?NN）;
	//Open?the?file?to?write
????if（（fp_out=fopen（“out_xcorr.txt““wt“））?==?NULL）
	{
	????printf（“Cannot?open?this?file!\n“）;
		exit（0）;
	}
	
	for（delay?=?-NN?+?1;?delay?????????fprintf（fp_out“%d?%f\n“delayr[delay?+?NN?-?1]）;

????fclose（fp_out）;
	system（“pause“）;
	return?0;
}

void?xcorr（float?*r?unsigned?short?*x?unsigned?short?*y?int?N）
{
????float?sxy;
????int????delayij;
????	
	for（delay?=?-N?+?1;?delay?	{
	????//Calculate?the?numerator
	????sxy?=?0;
	????for（i=0;?i	????{
	????????j?=?i?+?delay;
?????	????if（（j?=?N））??//The?series?are?no?wrappedso?the?value?is?ignored
	????????????continue;
	????????else
	????????????sxy?+=?（x[i]?*?y[j]）;
	????}
	????
	????//Calculate?the?correlation?series?at?“delay“
	????r[delay?+?N?-?1]?=?sxy;
????}
}

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

?????文件?????476814??2009-12-31?17:23??xcorr\cross_correlation.exe

?????文件????????871??2009-12-31?17:34??xcorr\Makefile.win

?????文件????????261??2009-12-31?17:34??xcorr\out_xcorr.txt

?????文件???????1209??2009-12-31?17:28??xcorr\xcorr.c

?????文件????????825??2009-12-31?17:28??xcorr\xcorr.dev

?????文件??????17070??2009-12-31?17:34??xcorr\xcorr.exe

?????文件???????1360??2009-12-31?17:34??xcorr\xcorr.o

?????目錄??????????0??2009-12-31?17:34??xcorr

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

???????????????498410????????????????????8