系统建模与仿真 高阶电路分析.doc
11页1、作业1:蒲丰投针试验模拟一实验原理: 根据频率的稳定性,当投针次数n很大时,测出针与平行线相交的次数m,则频率值m/n可作为P(A)的近似值代入上式,那么 利用上式可计算圆周率的近似值。二实验模拟过程 可以采用MATLAB软件进行模拟实验,即用MATLAB编写程序来进行“蒲丰投针实验”,并用GUI图形界面化直观显示。 Matlab的GUI编程代码如下: clcclose allclear allh0=figure(toolbar,none,position,350 180 570 530,color,0.5 0.8 0.9,name,布丰投针试验);h_panel=uipanel(Units,normalized,position,0.05 0.72 0.35 0.25,title,输入参数:,fontsize,11,FontWeight,bold);h_text1=uicontrol(h_panel,style,text,Units,normalized,HorizontalAlignment,left,position,0.05 0.62 0.5 0.25,string,两线间的宽
2、度 a:,fontsize,10);h_edit1=uicontrol(h_panel,style,edit,Units,normalized,HorizontalAlignment,left,position,0.60 0.68 0.2 0.18,fontsize,10);h_text2=uicontrol(h_panel,style,text,Units,normalized,HorizontalAlignment,left,position,0.05 0.42 0.6 0.25,string,针的长度 L:,fontsize,10);h_edit2=uicontrol(h_panel,style,edit,Units,normalized,HorizontalAlignment,left,position,0.60 0.48 0.2 0.18,fontsize,10);h_text3=uicontrol(h_panel,style,text,Units,normalized,HorizontalAlignment,left,position,0.05 0.22 0.6 0.25,
3、string,投针次数 N:,fontsize,10);h_edit3=uicontrol(h_panel,style,edit,Units,normalized,HorizontalAlignment,left,position,0.60 0.28 0.2 0.18,fontsize,10);h_button1=uicontrol(Units,normalized,position,0.03 0.50 0.18 0.08,string,开始投针,fontsize,10,callback,function2);h_button3=uicontrol(Units,normalized,position,0.21 0.50 0.18 0.08,string,暂停,fontsize,10,callback,function3);h_button2=uicontrol(Units,normalized,position,0.05 0.30 0.30 0.06,string,统计,fontsize,10,callback,function1);h_panel1=uipanel(Units,nor
4、malized,position,0.05 0.10 0.8 0.15,title,数据分析:,fontsize,11,FontWeight,bold);h_edit4=uicontrol(h_panel1,style,edit,Units,normalized,HorizontalAlignment,right,position,0.35 0.05 0.6 0.35,fontsize,10);h_text4=uicontrol(h_panel1,style,text,Units,normalized,HorizontalAlignment,left,position,0.05 0.12 0.3 0.25,string,估算的结果 :,fontsize,10);h_edit5=uicontrol(h_panel1,style,edit,Units,normalized,HorizontalAlignment,right,position,0.35 0.55 0.2 0.35,fontsize,10);h_text5=uicontrol(h_panel1,style,text,Units
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