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| 15524608156 | 2022-01-23 10:47 |  
| matlab编程绘图,三角函数,菲涅尔
程序有问题,在140.4、139.8、132等点处有异常值,请教一下大家怎么改,应该是Y=…那一步的式子有问题,谢谢 NxSu3e~PS [attachment=110608] ilK-?@u+
 Y值为负的那几个点是异常值 F1 iGMf-8
 h H	<J,Wn
 clc qNI,
62
 clear 0 - ><q
 close all 5?p2%KQ
 nx = 0:0.6:150; FSU ttg"
 n = length(nx)-1; y'FS/=u>0
 figure  tcI}Ca>u
 xz = []; wg	^sGKN
 yz = []; J~%K_~Li
 for ii = 1:n v4?x.I
 f=300; ~UyV<
 h=150-nx(ii); }>)@WL:q
 b=atan(h/f); ";BlIovT=R
 d=(b/pi)*180 p7);uF^O%
 syms c Av?2<
 Y=solve(sin(c-b)-1.494*sin(3*c-pi)==0,c); R E}?5XHb
 C=double(Y); ;WgJ<&33
 e=(C/pi)*180; t^`O{m<
 x=0:0.1:0.6; DKfE.p)
 y=(0.6-x)*tan(C); zR
`EU,
 xz = [xz x+nx(ii)] f}Np/
 yz = [yz y]; 76>7=#m0u'
 plot(xz,yz,'k-') a,3j,(3
 hold on MepuIh
 pause(0.01) KQ`qpX^d
 end Qhs/E`k4
 0OT\"O~S[
 p(PMZVV`
 76wc ,+
 hj
 
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