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DEnDi Cos

(以图像中心为坐标系原点) newx1=oldx1*cos(rad)+oldy1*sin(rad); newy1=-oldx1*sin(rad)+oldy1*cos(rad); newx2=oldx2*cos(rad)+oldy2*sin(rad...

对1Hz和400Hz的两个正弦信号进行低通滤波的matlab程序 ? 对1Hz和400Hz的两个正弦信号进行低通滤波的matlab程序 fs=1000; t=0:1/fs:5; x=cos(2*...

x=sin(2*pi*f1*t)+0.5*cos(2*pi*f2*t); %输入信号subplot(2,1,1),plot(t,x),title('输入信号');y=filtfilt(bz,az,x); %用滤波器进行滤波...

sumcos=sum(cos(alpha));sumsin=sum(sin(alpha));B(i,:)=(sumcos^2+sumsin^2)/np^2;endN=255;Br=(B/max(B))*N;figure;subplot(1,2,1)image(...

x=sin(2*pi*f1*t)+0.5*cos(2*pi*f2*t); %输入信号subplot(2,1,1),plot(t,x),title('输入信号');y=filtfilt(bz,az,x); %用滤波器进行滤波...

plot(r(i)*cos(sita)+x(i),r(i)*sin(sita)+y(i)) hold on endi%%修改稿function zuotu() clear;clf;flag=0;for i=1:100 ...

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