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/172578/9700966
h superh-hardware.h
/*
* superh_bi/hardware.h
*
* Copyright (c) 2002 Lineo
*
* By:
* Stuart Lynne ,
* Tom Rushworth ,
* Bruce Balden
*
* This pr
www.eeworm.com/read/292248/8365560
m hrollfcoef.m
function [xh] = hrollfcoef(irfn,ipoint,sr,alfs,ncc)
% hrollfcoef.m
%
% Generate coefficients of Nyquist filter
%
% programmed by Aijun Song
%
%****************** variables *********************
www.eeworm.com/read/292219/8366752
m geo84tover84.m
% WGS-84下地理坐标转换成直角坐标
clear;
input('\n\ninput geography_84:'); % 输入WGS-84坐标系下的地理坐标值
phi_84=input('\nphi_84='); % WGS-84下的纬度(度)
lamda_84=input('\nlamda_84=');
www.eeworm.com/read/292219/8366766
m ver90togeo90.m
% PE-90直角坐标转换成PE-90地理坐标
clear;
input('\n\ninput vertical_90:'); % 输入PE-90坐标系下的直角坐标值
X_90=input('\nX_90=');
www.eeworm.com/read/292219/8366788
asv ver90togeo90.asv
% PE-90直角坐标转换成PE-90地理坐标
clear;
input('\n\ninput vertical_90:'); % 输入PE-90坐标系下的直角坐标值
X_90=input('\nX_90=');
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m ms15_3.m
%2个正弦叠加信号
f0=1;T0=1/f0;dt=0.01;
fm=5*f0;Tm=1/fm;
t=0:dt:3*T0;
x=sin(2*pi*f0*t)+1/3*sin(6*pi*f0*t); %建立原连续信号
subplot(4,1,1),plot(t,x,'k');
axis([min(t) max(t) 1.1*min(x) 1.1*max(x)]);
title('用
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m ms24_7.m
%FIR带通滤波器
wp1=0.3*pi;wp2=0.7*pi; %输入设计指标
ws1=0.2*pi;ws2=0.8*pi;
wp=[wp1,wp2];ws=[ws1,ws2];
deltaw=wp1-ws1; %计算过渡带的宽度
N0=ceil(11*pi/deltaw); %按布莱克曼窗计算滤波器长度N0
N=N0+mod(N0+1,2) %为实现FIR
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m ms25_3.m
%频率采样法设计低通(2点过渡带)
N=61;T1=0.5886;T2=0.1065;
n=0:N-1;wc=0.4*pi; %输入截止频率
N1=fix(wc/(2*pi/N)); %样点间隔为2*pi/N,N1为wc的样点数
N2=N-2*N1-1;
www.eeworm.com/read/391780/8377303
m ms15_1.m
%正弦信号与抽样信号
dt=0.1;f0=1;T0=1/f0;
fm=5*f0;Tm=1/fm;
t=-2:dt:2;
f=sin(2*pi*f0*t)+1/3*sin(6*pi*f0*t); %建立原连续信号
subplot(4,1,1),plot(t,f,'k');
axis([min(t) max(t) 1.1*min(f) 1.1*max(f)]);
title('原连续
www.eeworm.com/read/391780/8377314
m ms21_2_2.m
%双线性变换法设计数字高通
%数字滤波器指标
wp=0.6*pi; %滤波器的通带截止频率
ws=0.4*pi; %滤波器的阻带截止频率
Rp=1;As=20; %输入滤波器的通阻带衰减指标
%转换为模拟原型滤波器指标
Fs=1000;T=1/Fs;
Omgp=(2/T)*tan(wp/2); %原型通带频率预修正
Omgs