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/285065/8871293
bak fft.c.bak
#include "myapp.h"
#include "ICETEK-VC5509-EDU.h"
#include "scancode.h"
#include
#define FIRNUMBER 25
#define SIGNAL1F 1000
#define SIGNAL2F 4500
#define SAMPLEF 10000
#define PI 3
www.eeworm.com/read/428269/8880141
m phispan.m
function T=phispan(x,phitype,dilation,uo,a,bord1,bord2,Family,par);
% USAGE T=phispan(x,phitype,dilation,uo,a,bord1,bord2)
%
% This function returns a matrix Tij that contains elements
% \phi_
www.eeworm.com/read/187048/8881273
m fi.m
function y=fi(x,y,z,i)
Lx=0.1;
Ly=0.2;
Lz=1;
st=0;
rand13=mapot(i);
l=rand13(1);
m=rand13(2);
n=rand13(3);
y=cos(l*pi*x/Lx)*cos(m*pi*y/Ly)*cos(n*pi*z/Lz);
www.eeworm.com/read/284955/8881546
m hrollfcoef.m
% Program 3-3
% hrollfcoef.m
%
% Generate coefficients of Nyquist filter
%
% programmed by H.Harada
%
function [xh] = hrollfcoef(irfn,ipoint,sr,alfs,ncc)
%****************** variables ****
www.eeworm.com/read/428214/8883386
m hrollfcoef.m
% hrollfcoef.m
%
% Generate coefficients of Nyquist filter
function [xh]=hrollfcoef(irfn,ipoint,sr,alfs,ncc)
xi=zeros(1,irfn*ipoint+1);
xq=zeros(1,irfn*ipoint+1);
point=ipoint;
tr=sr;
tst
www.eeworm.com/read/187002/8885683
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/186987/8886032
m p10_8.m
% Program P10_8
% Design of Uniform DFT Filter Banks
clf;
% Design the prototype FIR lowpass filter
b = remez(20, [0 0.2 0.25 1], [1 1 0 0], [10 1]);
w = 0:2*pi/255:2*pi; n = 0:20;
for k = 1:4;
c =
www.eeworm.com/read/186987/8886073
m p3_5.m
% Program P3_5
% Modulation Property of DTFT
clf;
w = -pi:2*pi/255:pi;
x1 = [1 3 5 7 9 11 13 15 17];
x2 = [1 -1 1 -1 1 -1 1 -1 1];
y = x1.*x2;
h1 = freqz(x1, 1, w);
h2 = freqz(x2, 1, w);
h3 = freqz(y,
www.eeworm.com/read/186987/8886089
m p3_4.m
% Program P3_4
% Convolution Property of DTFT
clf;
w = -pi:2*pi/255:pi;
x1 = [1 3 5 7 9 11 13 15 17];
x2 = [1 -2 3 -2 1];
y = conv(x1,x2);
h1 = freqz(x1, 1, w);
h2 = freqz(x2, 1, w);
hp = h1.*h2;
h3 =
www.eeworm.com/read/186987/8886224
m p5_4.m
% Program P5_4
% Design of Analog Lowpass Filter
clf;
Fp = 3500;Fs = 4500;
Wp = 2*pi*Fp; Ws = 2*pi*Fs;
[N, Wn] = buttord(Wp, Ws, 0.5, 30,'s');
[b,a] = butter(N, Wn, 's');
wa = 0:(3*Ws)/511:3*Ws;
h =