| 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 CVt:tV
[attachment=110608] =G,wR'M
Y值为负的那几个点是异常值 ("r\3Mvs
R9z:K_d,
clc tg%#W `
clear ~9 [O'
close all /f}!G
nx = 0:0.6:150; M(/ATOJ(
n = length(nx)-1; Db`SNk=
figure 4Y5lP00!}
xz = []; QHDR* tB:{
yz = []; ZO#f )>s2
for ii = 1:n H-&T)
f=300; 1p5n}|
h=150-nx(ii); B{ A b #
b=atan(h/f); $-MVsa9>I
d=(b/pi)*180 .C*mDi)wZ
syms c .sCj3 sX*
Y=solve(sin(c-b)-1.494*sin(3*c-pi)==0,c); 0H/)wy2ym
C=double(Y); M
'#a.z%
e=(C/pi)*180; !sG# 3sUe[
x=0:0.1:0.6; ]?6Pt: N2
y=(0.6-x)*tan(C); H[_i=X3-~
xz = [xz x+nx(ii)] (yb$h0HN
yz = [yz y]; l+A)MJd oj
plot(xz,yz,'k-') abD@0zr
hold on YO 'aX
pause(0.01) S"4eS ,5L|
end %vil ~NU
;=p3L<~c`K
:N^+!,i
|z7V1xF
uc>":V
|
|