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Raspberry Pi 的代码
q_wav.m
function [qwav]=q_wav(x,a_qwav,d_qwav,t_qwav,li)
l=li;
x=x+t_qwav;
a=a_qwav;
b=(2*l)/d_qwav;
n=100;
q1=(a/(2*b))*(2-b);
q2=0;
for i = 1:n
harm5=(((2*b*a)/(i*i*pi*pi))*(1-cos((i*pi)/b)))*c
qrs_wav.m
function [qrswav]=qrs_wav(x,a_qrswav,d_qrswav,li)
l=li;
a=a_qrswav;
b=(2*l)/d_qrswav;
n=100;
qrs1=(a/(2*b))*(2-b);
qrs2=0;
for i = 1:n
harm=(((2*b*a)/(i*i*pi*pi))*(1-cos((i*pi)/b)))*cos((i
t_wav.m
function [twav]=t_wav(x,a_twav,d_twav,t_twav,li)
l=li;
a=a_twav;
x=x-t_twav-0.045;
b=(2*l)/d_twav;
n=100;
t1=1/l;
t2=0;
for i = 1:n
harm2=(((sin((pi/(2*b))*(b-(2*i))))/(b-(2*i))+(sin((pi/
u_wav.m
function [uwav]=u_wav(x,a_uwav,d_uwav,t_uwav,li)
l=li;
a=a_uwav
x=x-t_uwav;
b=(2*l)/d_uwav;
n=100;
u1=1/l
u2=0
for i = 1:n
harm4=(((sin((pi/(2*b))*(b-(2*i))))/(b-(2*i))+(sin((pi/(2*b))*(b
p1-98.cpp
#include
//以下是几个简单宏替换预处理指令
#define YES 1
#define PI 3.1415926
#define RAD PI/180
#define MESG "This is a string."
//以下是主程序
main() {
//以下各语句使
p1-12.cpp
#include
const double PI=3.1416; //声明常量(const变量)PI为3.1416
main()
{
//声明3个变量
double r,l,s;
//输入圆的半径
coutr;
//计算圆的周长
p1-100.cpp
#include
#define PI 3.1416
main() {
int i=100;
#if 1
cout
p1-14.cpp
#include
const double PI=3.1416; //声明常量(const变量)PI为3.1416
main()
{
//声明3个变量
double r=3,l,s;
//计算圆的周长
l=2*PI*r;
cout
t2.m
wp=pi/3;N=61;
k=0:1:60;
a=-60*pi*k/61;
Hk=[ones(1,11) zeros(1,39) ones(1,11)];
Hd=Hk.*exp(j*a);
hn=ifft(Hd,N)
figure(1)
n=0:1:60;
stem(n,hn,'.');grid on
figure(2)
[H,w]=freqz(hn);
t1.m
Wp=0.1;Ws=0.4;Rp=1;Rs=15;
[N,Wpo]=cheb1ord(Wp,Ws,Rp,Rs);
[Bz,Az]=cheby1(N,Rp,Wpo);
w=0:0.1:pi;
[H,w1]=freqz(Bz,Az,w);H=20*log(abs(H));
figure(1)
plot(w/pi,H),grid on
f1=50;f2=500;
fs=1000;T=1