complex.h

C语言版,机载SAR回波仿真程序

/*===========================
Define comp as complex type
cmplx	 c = (a,b)
cmul     c=a*b
conjg    c=a'
cabs1    f=|a|
cabs2    f=|a|**2
cadd     c=a+b
csub     c=a-b
czero    c=(0.0,0.0)
===========================*/
#ifndef COMPLEX_H
#define COMPLEX_H
#include <math.h>
typedef  struct xy
{
	float re;
	float im;
}comp;
comp cmplx(float a,float b);
comp cmul(comp a,comp b);
comp conjg(comp a);
float cabs1(comp a);
float cabs2(comp a);
comp cadd(comp a,comp b);
comp csub(comp a,comp b);
comp czero();
float arg(comp a);

#endif