| 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 ZqclmCi
[attachment=110608] +`d92T z
Y值为负的那几个点是异常值 Ag8/%a~(
qiz(k:\o
clc 8m0*89HEu
clear Snkb ^Kt
close all xp|1y ud
nx = 0:0.6:150; )Jt. Z^J<
n = length(nx)-1; A@?0(
figure 3@~a)E }T
xz = []; AXbb -GK
yz = []; [RBSUOF
for ii = 1:n &eMd^l }:#
f=300; i!YfR]"}
h=150-nx(ii); I~l
qg
b=atan(h/f); ? d Jd7+A
d=(b/pi)*180 "`M~=RiI
syms c -r *|N.5c
Y=solve(sin(c-b)-1.494*sin(3*c-pi)==0,c); "]( Q2
C=double(Y); U$2Em0HO}
e=(C/pi)*180; 5( <O?#P
x=0:0.1:0.6; "L.k
m
y=(0.6-x)*tan(C); C@a I*+@-"
xz = [xz x+nx(ii)] x-i,v"8
yz = [yz y]; 2/3yW.C
plot(xz,yz,'k-') 4b<|jVl\
hold on "G%S
m")
pause(0.01) Q0xGd(\
end `)cI^ !
+2MF#{ tS
.u mqyU~
j \r GU){
nc1~5eo
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