【《电路板计算机模型的构建及PCB散热问题探究》10000字】

电路板计算机模型的构建及PCB散热问题探究目录TOC\o"1-3"\h\u2821绪论 附录附录AVelo11=load('C:\Users\29828\Desktop\毕设\vel.');Velo11_X=Velo11(:,1);Velo11_Y=Velo11(:,2);Velo11_V=Velo11(:,3);figure(11)plot3(Velo11_X,Velo11_Y,Velo11_V,'.')xlabel('X')ylabel('Y')zlabel('velocity')m11=mean(Velo11_V)s11=std(Velo11_V)sm11=1-1/(1+s11^2)threemoment11=moment(Velo11_V,3)A=Velo11_V;B=unique(A);c=zeros(size(B));fori=1:length(B)c(i)=length(find(A==B(i)));endc;p=c./sum(c);un11=sum(p.^2)e11=wentropy(Velo11_V,'shannon')Velo12=load('C:\Users\29828\Desktop\毕设\tem.');Velo12_X=Velo12(:,1);Velo12_Y=Velo12(:,2);Velo12_V=Velo12(:,3);figure(12)plot3(Velo12_X,Velo12_Y,Velo12_V,'.')xlabel('X')ylabel('Y')zlabel('temperature')m12=mean(Velo12_V)s12=std(Velo12_V)sm12=1-1/(1+s12^2)threemoment12=moment(Velo12_V,3)A=Velo12_V;B=unique(A);c=zeros(size(B));fori=1:length(B)c(i)=length(find(A==B(i)));endc;p=c./sum(c);un12=sum(p.^2)e12=wentropy(Velo12_V,'shannon')附录Bx=[8.33E41.67E53.33E55E56.67E58.33E51E61.17E61.33E61.5E6];y1=[0.04910.06750.09180.10910.12270.13410.14390.15260.16030.1672];y2=[0.04380.05970.08050.09500.10650.11610.12430.13160.13810.1441];y3=[0.00190.00360.00640.00890.01120.01330.01520.01700.01870.0203];y4=[4.1503e-051.0036e-042.3056e-043.6637e-045.052e-046.4677e-047.9079e-049.3947e-040.00110.0012];y5=[0.00970.00970.00970.00970.00970.00970.00970.00970.00970.0097];y6=[155.0602252.6989395.2822501.7015586.9646657.8542717.9420770.1711815.6902855.9231];cftoolx=[8.33E41.67E53.33E55E56.67E58.33E51E61.17E61.33E61.5E6];y1=[310.7314316.9525327.4935336.9829345.8734354.3978362.6550370.7389378.6652386.4755];y2=[5.12918.036113.034917.608821.923926.073030.084234.011637.842141.6005];y3=[0.96340.98480.99410.99680.99790.99850.99890.99910.99930.9994];y4=[-30.3156-137.1184-677.1855-1.7854e+03-3.5964e+03-6.2417e+03-9.8534e+03-1.4546e+04-2.0454e+04-2.7695e+04];y5=[1.0472e-041.0472e-041.0472e-041.0472e-041.0472e-041.0472e-041.0472e-041.0472e-041.0472e-041.0472e-04];y6=[-1.0586e+10-1.1057e