代码搜索：Raspberry Pi
找到约 10,000 项符合「Raspberry Pi」的源代码
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www.eeworm.com/read/425540/10349383
m 小学期数字信号设计.m
clc;clear;close all;
t=0:0.0001:0.5;
f1=2000;f2=1000;f3=4000;f4=5600;
xt=sin(f1*2*pi*t)+sin(f2*2*pi*t)+sin(f3*2*pi*t)+sin(f4*2*pi*t);
plot(1000*t(1:100),xt(1:100));title('抽样前模拟信号');
grid;
paus
www.eeworm.com/read/354492/10349443
cpp main3_1b.cpp
// Section 7.3.1
// $ CC ptrswap.cpp main3_1b.cpp
/*
Before ptrswap(): pi: 10 pj: 20
After ptrswap(): pi: 20 pj: 10
*/
#include
using std::cout;
using std::en
www.eeworm.com/read/354492/10350241
c ch04.04.c
// #include
// #include
#include
#include
#include
/*****
pi: 4 *pi: 4
st1: 12 st2: 12 ps: 4 *ps: 12
short : 2
short* : 4
www.eeworm.com/read/425501/10350819
m beltfilter.m
%带通滤波
%x-输入信号
%fs-输入信号采样频率
%M-滤波器半阶数
%fl-下截止频率
%fh-上截止频率
%xl-返回的滤波结果,其长度为原序列长度减少2M,去掉了前M和后M个不正确的点
function xl=beltfilter(x,fs,M,fl,fh)
N=length(x)-2*M;
[i j]=size(x);
if i~=1
x=x';
end
www.eeworm.com/read/425473/10352604
cpp main.cpp
#include "iostream.h"
void main()
{
float r;
float l;
const float pi=3.1415926f;
cout r;
pi=2*pi*r;
cout
www.eeworm.com/read/425473/10352902
cpp main.cpp
#include "iostream.h"
void main()
{
float r;//创建一个浮点型变量存放半径
float s;//创建一个浮点型变量存放运算得出的面积结果
const float pi=3.1415926f;//定义常量pi等于3.1415926
cout r;
s=pi*r*r;//计算面积
cout
www.eeworm.com/read/161900/10358094
m hrollfcoef.m
%
% hrollfcoef.m
%
% Generate coefficients of Nyquist filter
%
%programmed by Huangyong
%
function [xh]=hrollfcoef(irfn,ipoint,sr,alfs,ncc)
%************************* Variables ***********
www.eeworm.com/read/161900/10358121
m hrollfcoef.m
%
% hrollfcoef.m
%
% Generate coefficients of Nyquist filter
%
%programmed by Huangyong
%
function [xh]=hrollfcoef(irfn,ipoint,sr,alfs,ncc)
%************************* Variables ***********
www.eeworm.com/read/161900/10358136
m hrollfcoef.m
%
% hrollfcoef.m
%
% Generate coefficients of Nyquist filter
%
%programmed by Huangyong
%
function [xh]=hrollfcoef(irfn,ipoint,sr,alfs,ncc)
%************************* Variables ***********
www.eeworm.com/read/161900/10358158
m hrollfcoef.m
%
% hrollfcoef.m
%
% Generate coefficients of Nyquist filter
%
%programmed by Huangyong
%
function [xh]=hrollfcoef(irfn,ipoint,sr,alfs,ncc)
%************************* Variables ***********