環行麥克風陣列的 Manifold 矩陣(故定phi=90度)
#define DEG2RAD(x) (x*M_PI/180)
double manifold(double doa){
double phi = DEG2RAD(90);
double temp;
gsl_complex AA[ELEMENT];
for(int k=0;k<ELEMENT;k++){
temp=sin(phi)*cos(DEG2RAD(doa)-2*k*M_PI/ELEMENT);
AA[k]=eulers_formula(-1*2*M_PI*Radii*temp/LDA);
printf("%f + %fi\\n",AA[k]);
}
}