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www.eeworm.com/read/377028/9297129
c mdefir1.c
#include
#include
#include
#include "msp.h"
void mdefir1(int l,int iband,float fl,float fh,float fs,int iwindow,
float b[],float w[],int *ierror)
{
/*-------------
www.eeworm.com/read/377020/9297138
m iirh.m
%数字滤波器的指标
wp=0.2*pi;ws=0.3*pi;
Rp=1.5;As=30;
%模拟原型指标
T=0.0001;Fs=1/T;
OmegaP=(2/T)*tan(wp/2);
OmegaS=(2/T)*tan(ws/2);
ep=sqrt(10^(Rp/10)-1);
Ripple=sqrt(1/(1+ep*ep))
Atten=1/(10^(As/20))
%模拟
www.eeworm.com/read/180601/9301594
c show_tan.c
#include
#include
void main(void)
{
double pi = 3.14159265;
printf("Tangent of pi is %f\n", tan(pi));
printf("Tangent of pi/4 is %f\n", tan(pi / 4.0));
}
www.eeworm.com/read/180495/9305050
m gamicheval.m
function [sol,val] = gaMichEval(sol,options)
val = 21.5 + sol(1) * sin(4*pi*sol(1)) + sol(2)*sin(20*pi*sol(2));
%G=zeros(0);
%val = sqrt(sol(1)) * sin(2*sol(1)) + sqrt(sol(1))*cos(5*sol(1))+5;
www.eeworm.com/read/376811/9305226
c fir.c
#include "DSP281x_Device.h" // DSP281x Headerfile Include File
#include "DSP281x_Examples.h" // DSP281x Examples Include File
#include "f2812a.h"
#include"math.h"
#define FIRNUMBER 25
#de
www.eeworm.com/read/180485/9305384
m program_11_5.m
% Program 11_5
% Development of an AR model of an FIR filter
%
colordef black
b = remez(20, [0 0.5 0.6 1], [1 1 0 0]);
[h,w] = freqz(b,1,512);
[d,p0] = lpc(b,30);
[h1,w] = freqz(p0,d,512);
p
www.eeworm.com/read/180485/9305406
m program_03_01.m
% Program 3_1
% Discrete-Time Fourier Transform Computation
%
% Read in the desired length of DFT
colordef black;
k = input('Number of frequency points = ');
% Read in the numerator and denomi
www.eeworm.com/read/376809/9305661
c iir.c
#include "DSP281x_Device.h" // DSP281x Headerfile Include File
#include "DSP281x_Examples.h" // DSP281x Examples Include File
#include "f2812a.h"
#include"math.h"
#define IIRNUMBER 2
#def
www.eeworm.com/read/376809/9305675
c fir.c
#include "DSP281x_Device.h" // DSP281x Headerfile Include File
#include "DSP281x_Examples.h" // DSP281x Examples Include File
#include "f2812a.h"
#include"math.h"
#define FIRNUMBER 25
#de
www.eeworm.com/read/376593/9312352
m examp3_21.m
syms x; f=abs(x)/x; % 定义方波信号
xx=[-pi:pi/200:pi]; xx=xx(xx~=0); xx=sort([xx,-eps,eps]); % 剔除零点
yy=subs(f,x,xx); plot(xx,yy), hold on % 绘制出理论值并保持坐标系
for n=2:20
[a,b,f1]=fseries(f,x,n), y1=subs