说明：  DSP编程常用函数 double uniform(double a,double b,long int* seed) double gauss(double mean,double sigma,long int *seed) double exponent(double beta,long int *seed) double laplace(double beta,long int* seed) double rayleigh(double sigma,long int *seed) double weibull(double a,double b,long int*seed) int bn(double p,long int*seed) int bin(int n,double p,long int*seed) int poisson(double lambda,long int *seed) void dft(double x[],double y[],double a[],double b[],int n,int sign) void fft(double x[],double y[],int n,int sign)
(DSP programming functions commonly used double uniform (a double, double b, long int* seed) double Gauss (double mean, double sigma, long int* seed) double exponent (double beta, long int* seed) double Laplace (double beta,* long int seed) double Rayleigh (double sigma, long int* seed) double Weibull (a double, double b, long int* seed) int bn (double p, long int* seed) int bin (int n, p double, seed long int*) int poisson (double lambda, long int* seed) void dft index (double x [], double y [], [] a double, double b [], int n, int sign) void fft (double x [], double y [], int n, int sign))