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資源簡介

信號與系統實踐作業。matlab仿真星系運動,還用流星、彗星等隨機出現并劃過

資源截圖

代碼片段和文件信息

function?starmodel(N)
N=100;
figure(‘Color‘[0?0?0]);
view(gca-3718)
axis?equal;
t=(0:0.001:1)*2*pi;
x1=10*cos(t)-6;y1=8*sin(t);z1=zeros(size(x1));
x2=4*cos(2*t);z2=4*sin(2*t);y2=zeros(size(x2));
x3=20*cos(t);y3=20*sin(t);z3=zeros(size(x1));
x=[x1?x2];y=[y1?y2];z=[z1?z2];
plot3(x1y1z1‘w‘x2y2z2‘w‘x3y3z3‘w‘)?;
axis?off
h0=line(‘Color‘‘r‘‘Marker‘‘.‘‘MarkerSize‘100‘EraseMode‘‘Xor‘);%恒星
set(h0‘xdata‘0‘ydata‘0‘zdata‘0);
h1=line(‘Color‘‘g‘‘Marker‘‘.‘‘MarkerSize‘40‘EraseMode‘‘Xor‘);%行星1
h11=line(‘Color‘[0.49?1?0.83]‘Marker‘‘.‘‘MarkerSize‘50‘EraseMode‘‘Xor‘);%行星2
h2=line(‘Color‘‘y‘‘Marker‘‘.‘‘MarkerSize‘30‘EraseMode‘‘Xor‘);%行星3
h3=line(‘Color‘[0.75?0?0.75]‘Marker‘‘.‘‘MarkerSize‘20‘EraseMode‘‘Xor‘);%衛星(行星2的)
hh=zeros(100);%星星的句柄矩陣?
hlx=line(‘Color‘[1?1?1]‘Marker‘‘h‘‘MarkerSize‘7‘EraseMode‘‘Xor‘);%流星!
set(hlx‘Color‘[0?0?0]‘xdata‘10‘ydata‘10‘zdata‘10);
text(-3106‘行星繞恒星運動示意圖‘‘color‘‘w‘‘fontsize‘15);
text(-383‘軌道1‘‘color‘‘w‘);
text(4-4‘軌道2‘‘color‘‘w‘);
text(-5-352‘軌道3‘‘color‘‘w‘);
set(gcf‘doublebuffer‘‘on‘)??%消除抖動

i=1;k=1;
judge=0;?????

while?1
????set(h1‘xdata‘x1(i)‘ydata‘y1(i)‘zdata‘z1(i));
????set(h2‘xdata‘x2(i)‘ydata‘y2(i)‘zdata‘z2(i));
????set(h11‘xdata‘x3(i)‘ydata‘y3(i)‘zdata‘z3(i));
????set(h3‘xdata‘2*cos(i/150*2*pi)+x3(i)‘ydata‘y3(i)‘zdata‘2*sin(i/150*2*pi)+z3(i));
????drawnow;
????pause(0.0005);
????i=i+1;
????ii=fix(i/100);
????if?judge==0
????????judge=1;
????????set(hlx‘Color‘[1?1?1]);
????????poslx=rand(13)*30-15;
????????cslx=rand(13)*0.6-0.3;
????end
????if?(judge>0)&&(judge<200)
????????set(hlx‘xdata‘poslx(1)‘ydata‘poslx(2)‘zdata‘poslx(3))
????????poslx(1)=??poslx(1)+cslx(1);
????????poslx(2)=??poslx(2)+cslx(2);
????????poslx(3)=??poslx(3)+cslx(3);
????????judge=judge+1;??
????end?
????if?judge==200
?????????set(hlx‘Color‘[0?0?0]);
????????judge=0;?
????end
????if?i/100-ii==0
????????if?hh(ii)==0
????????hh(ii)=line(‘Color‘[1?1?1]‘Marker‘‘p‘‘MarkerSize‘6‘EraseMode‘‘Xor‘);%Stars!
????????end
?????????pos=rand(3)*40-20;
?????????set(hh(ii)‘xdata‘pos(1)‘ydata‘pos(2)‘zdata‘pos(3));??
????end
????if?i>1000
????????i=1;
????????k=k+1;
????end
????if?k>N?
????????break?;
????end??
end




?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????????2382??2012-03-07?22:40??starmodel_team1.m

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