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[Other] filter DL : 0: M=63 J=(M-1)/2 Wp=0.5*pi Ws=0.6*pi Np=100 Ns=100 weightp=1 weights=100 通带和阻带的加权系数 WpN=linspace(0,Wp,Np) WsN=linspace(Ws,pi-0.05,Ns) Wm=[WpN WsN] p=[ones(1,50),ones(1,50)/2] d=[p,zeros(1,Ns)] W=diag([weightp*ones(1,Np),weights*ones(1,Ns)]) C=cos(Wm*[0:J]) Q=diag(cos(Wm*0.5)) g=(W*Q*C)\(W*d) g=g h=(g(J:-1:2)+g(J+1:-1:3))/4 h=[g(J+1)/4 h g(1)*0.5+g(2)/4] h=[h fliplr(h)] W=linspace(0,pi-0.1,512) H=freqz(h,1,W) plot(W/pi,20*log10(abs(H))) -filter design
Date : 2025-12-28 Size : 1kb User : 李天
[Other] kq DL : 0: 这是用MATLAB实现开启和闭合操作的源代码可适用于机械方面-　　clc clear 　　［x，y，z］=meshgrid（linspace（-1.3，1.3））　　f=（x.^2+（9/4）*y.^2+z.^2-1）.^3-x.^2.*z.^3-（9/80）*y.^2.*z.^3 　　p=patch（isosurface（x，y，z，f，0））　　set（p，‘FaceColor’，‘red’，‘EdgeColor’，‘none’）　　daspect（［1 1 1］）　　view（3）　　camlight 　　lighting phong 　　legend（‘520，2014’）　　set（gca，‘XTickLabel’，{‘19870722’，‘19940915’，‘20140318’，‘20140520’，‘forever’}）　　set（gca，‘YTickLabel’，{‘anywhere’，‘cd’，‘hf’}）　　set（gca，‘ZTickLabel’，{‘jy’}）　　grid on
Date : 2025-12-28 Size : 3kb User : 龙
[Other] EMBED Equation DL : 0: af=linspace(0,pi/3,100); bt=linspace(0,pi/6,100); [AF,BT]=meshgrid(af,bt); y=(tan(AF).*(0.5*(sin(AF)+(BT))-cos(AF+BT)))./((sin(BT)+0.5*cos(BT)).*(1+tan(AF).*cot(BT)).*cos(AF)); mesh(AF,BT,y)(best you can do some thing dow load ha ha ha ha hsa haha hahahahaha)
Date : 2025-12-28 Size : 28kb User : 青龙呀