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shuitong110

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clear;
clear;
L=0:0.02*10^-6:70*10^-6;

d=0.1*10^-6;
R=100*10^-6;
P=0.3;
k=2*pi./(1.55*10^-6);
B=11*10^6;
n1=3.45;
n2=1;
w=0.5*10^-6;
y1=sqrt(abs(k.^2*n1.^2-B.^2));
y2=sqrt(abs(B.^2-k.^2*n2.^2));

A=2*P*y1.^2*y2.^2;
C=B*k*k*(n1.^2-n2.^2)*(2+y2*w);
D=exp(-y2*d-y2*R+y2.*sqrt(R*R-L.*L));
M=A.*D./C;

S=trapz(L,M);
MM=sin(S);
plot(L,MM);

³ÌÐòÓÐÎ󣡣¡MTLAB ¶Ôº¯Êý»ý·Ö£¨±äÁ¿L£©£¬»ý·ÖºóµÄº¯ÊýMÔÙ½øÐÐsinº¯Êý¼ÆËãµÃµ½º¯ÊýMM
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alorsmail

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fegg7502: ½ð±Ò+1, Ó¦ÖúÖ¸Êý+1, ¹ÄÀø½»Á÷ 2014-05-09 08:10:37
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ʾÀýÈçÏ£¬½á¹û¼ûͼƬ
==========================
L=0:0.02*10^-6:140*10^-6 ;

d=0.1*10^-6 ;
R=100*10^-6 ;
P=0.3 ;
k=2*pi./(1.55*10^-6) ;
B=11*10^6 ;
n1=3.45 ;
n2=1 ;
w=0.5*10^-6 ;
y1=sqrt(abs(k.^2*n1.^2-B.^2)) ;
y2=sqrt(abs(B.^2-k.^2*n2.^2)) ;

MM = zeros(size(L)) ;
for i = 10:length(L)
    Lp = L(1:i) ;
    A=2*P*y1.^2*y2.^2 ;
    C=B*k*k*(n1.^2-n2.^2)*(2+y2*w) ;
    D=exp(-y2*d-y2*R+y2.*sqrt(R*R-Lp.*Lp)) ;
    M=A.*D./C ;
    S=trapz(Lp,M) ;
    MM(i)=sin(S) ;
end

plot(L,MM) ;
==========================
³ÌÐòÓÐÎ󣡣¡MTLAB ¶Ôº¯Êý»ý·Ö£¨±äÁ¿L£©£¬»ý·ÖºóµÄº¯ÊýMÔÙ½øÐÐsinº¯Êý¼ÆËãµÃµ½º¯ÊýMM-1
figure.png

6Â¥2014-04-25 16:12:52
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alorsmail

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2Â¥2014-04-25 12:30:48
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shuitong110

Òø³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
2Â¥: Originally posted by alorsmail at 2014-04-25 12:30:48
×îºÃÄÜÌṩ»ý·ÖµÄÔ­·½³Ì£¬ÕâÑù·½±ã´ó¼Ò¶Ô±È

ÒѾ­½«º¯ÊýÉÏ´«ÖÁͼƬ¸ñʽ £¬Ï£Íû¸øÓëÖ¸µã¡£Ð»Ð»£¡
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shuitong110

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fegg7502: ½ð±Ò+1, ¹ÄÀø½»Á÷ 2014-05-09 08:10:51
ͼʾº¯Êý
³ÌÐòÓÐÎ󣡣¡MTLAB ¶Ôº¯Êý»ý·Ö£¨±äÁ¿L£©£¬»ý·ÖºóµÄº¯ÊýMÔÙ½øÐÐsinº¯Êý¼ÆËãµÃµ½º¯ÊýMM-2
º¯Êý.jpg

4Â¥2014-04-25 14:52:37
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alorsmail

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shuitong110: ½ð±Ò+15, ¡ï¡ï¡ïºÜÓаïÖú, лл 2014-05-08 21:09:57
fegg7502: ½ð±Ò+1, ¹ÄÀø½»Á÷ 2014-05-09 08:11:01
ÒýÓûØÌû:
4Â¥: Originally posted by shuitong110 at 2014-04-25 14:52:37
ͼʾº¯Êý

º¯Êý.jpg

Ê×ÏÈÔÚÄãµÄ³ÌÐòÀïÃæ£¬Óà trapz ½øÐлý·ÖµÄ»°£¬×îºóµÃµ½µÄ S=trapz(L,M)£¬ S Ö»ÊÇÒ»¸öÊýÖµ£¬ÕâÊÇΪʲôÄã plot(L,sin(M)); Ö»Äܵõ½Ò»ÌõÏßµÄÔ­Òò
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5Â¥2014-04-25 15:03:43
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jinjian0120

Ìú³æ (СÓÐÃûÆø)

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shuitong110: ½ð±Ò+3 2014-05-08 21:10:12
fegg7502: ½ð±Ò+1, ¹ÄÀø½»Á÷ 2014-05-09 08:11:08
¼¸¸öº¬ÓвÎÊý¾ØÕóÏà³ËµÃµ½µÄÒ»¸ö¶àÏîʽ£¬ÔõôÄÜÈòÎÊýÁ¬Ðø±ä»¯£¬Êä³ö¶àÏîʽµÄÖµ£¬ÀýÈçÕâ¸öÀý×Óx=1:1:10,A=[x,0;0,0],b=A^2 ллÁË
7Â¥2014-04-25 17:31:06
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shuitong110

Òø³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
5Â¥: Originally posted by alorsmail at 2014-04-25 15:03:43
Ê×ÏÈÔÚÄãµÄ³ÌÐòÀïÃæ£¬Óà trapz ½øÐлý·ÖµÄ»°£¬×îºóµÃµ½µÄ S=trapz(L,M)£¬ S Ö»ÊÇÒ»¸öÊýÖµ£¬ÕâÊÇΪʲôÄã plot(L,sin(M)); Ö»Äܵõ½Ò»ÌõÏßµÄÔ­Òò
»ØÍ·ÎÒÔÙ¿´¿´ÔõôµÃµ½Äã˵µÄÕýÏÒÇúÏß...

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8Â¥2014-04-25 19:31:48
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

shuitong110

Òø³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
6Â¥: Originally posted by alorsmail at 2014-04-25 16:12:52
Èç¹ûÒªµÃµ½Ò»¸öÇúÏߵϰ£¬ÄãÐèÒª¼ÓÒ»¸öÑ­»·£¬
ʾÀýÈçÏ£¬½á¹û¼ûͼƬ
==========================
L=0:0.02*10^-6:140*10^-6 ;

d=0.1*10^-6 ;
R=100*10^-6 ;
P=0.3 ;
k=2*pi./(1.55*10^-6) ;
B=11*10^6 ;
...

ллÄúµÄ»Ø¸´£¬
MM = zeros(size(L)) ;
for i = 10:length(L)
    Lp = L(1:i) ;
ÕâÈýÐÐÊÇʲôÒâ˼£¿
9Â¥2014-04-25 19:41:16
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

shuitong110

Òø³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
6Â¥: Originally posted by alorsmail at 2014-04-25 16:12:52
Èç¹ûÒªµÃµ½Ò»¸öÇúÏߵϰ£¬ÄãÐèÒª¼ÓÒ»¸öÑ­»·£¬
ʾÀýÈçÏ£¬½á¹û¼ûͼƬ
==========================
L=0:0.02*10^-6:140*10^-6 ;

d=0.1*10^-6 ;
R=100*10^-6 ;
P=0.3 ;
k=2*pi./(1.55*10^-6) ;
B=11*10^6 ;
...

²»ÖªµÀÔõô¸øÄ㷢ͼƬ£¬ÎÒÔÚÌû×ӻظ´ÖмÓÁËÒ»¸öͼʾ£¬ÊÇÊéÉϵÄÀàËÆ½á¹û£¬Ö»ÊDzÎÊý²»Ì«Ò»Ñù£¬µ«ÊÇ»ù±¾ÐÎʽ²»Ó¦ÓÐÌ«´ó±ä»¯¡£
10Â¥2014-04-25 19:43:59
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