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815292578

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J0(W0*r0/a)/J1(W0*r0/a)=phi/w0
ÆäÖÐr0=6.35,a=0.38,phi=4.4*pi/180.ÏÖÔÚÊÇÒªÇó´¦w0µÄÖµ£¬¾ßÌåµÄ³ÌÐòÓ¦¸ÃÈçºÎ±àд°¡£¿ÇëÖ¸½Ì...
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r0=6.35£»
a=0.38£»
phi=4.4*pi/180£»
m=w0*r0/a;
y0=BesselJ(0,m);
y1=BesselJ(1,m);
y=y0/y1-phi/w0;
solve(y,w0)   %ÕâÒ»²½ÊDz»ÊÇÕâÑùд°¡£¿×îºóûÓеõ½w0µÄÖµ£¬Çë´ó¼ÒÖ¸µãÓ¦¸ÃÔõÑù±àд°¡£¿1
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815292578

ľ³æ (ÖøÃûдÊÖ)

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2Â¥2013-11-08 15:10:07
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

bucheron

½ð³æ (СÓÐÃûÆø)

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1592203609: ½ð±Ò+1, лл»ØÌû 2013-11-11 12:15:05
ÐèÒª¶¨Òå·ûºÅ wo,m
³ÌÐòÈçÏÂ
%-------------------------------------------
clear all
close all
clc

syms w0 m
r0=6.35;
a=0.38;
phi=4.4*pi/180;
m=w0*r0/a;
y0=besselj(0,m);
y1=besselj(1,m);
y=y0/y1-phi/w0;
solve(y,w0)
%-------------------------------------------
Born to suffer !Born to burn!
3Â¥2013-11-10 19:10:52
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

815292578

ľ³æ (ÖøÃûдÊÖ)

ÒýÓûØÌû:
3Â¥: Originally posted by bucheron at 2013-11-10 19:10:52
ÐèÒª¶¨Òå·ûºÅ wo,m
³ÌÐòÈçÏÂ
%-------------------------------------------
clear all
close all
clc

syms w0 m
r0=6.35;
a=0.38;
phi=4.4*pi/180;
m=w0*r0/a;
y0=besselj(0,m);
y1=besselj(1,m);
...

4Â¥2013-11-10 21:35:28
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

815292578

ľ³æ (ÖøÃûдÊÖ)

ÒýÓûØÌû:
3Â¥: Originally posted by bucheron at 2013-11-10 19:10:52
ÐèÒª¶¨Òå·ûºÅ wo,m
³ÌÐòÈçÏÂ
%-------------------------------------------
clear all
close all
clc

syms w0 m
r0=6.35;
a=0.38;
phi=4.4*pi/180;
m=w0*r0/a;
y0=besselj(0,m);
y1=besselj(1,m);
...

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5Â¥2013-11-10 21:35:54
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

xpzxpz

гæ (³õÈëÎÄ̳)

ÒýÓûØÌû:
5Â¥: Originally posted by 815292578 at 2013-11-10 21:35:54
ÄúºÃ£¬¸ÐлÄúµÄ»ØÐÅ¡£ÄúÉÏÃæµÄ³ÌÐòºÃÏñ»¹Êǵò»³öw0,ÕâÀïw0ºÃÏñÓÐÎÞÏÞ¸ö½â¡£ÎÒͨ¹ý»­Í¼ÒѾ­µÃ³öµÚÒ»¸ö½â£¬»¹ÊǸÐлÄúµÄ³ÌÐò£¬Ð»Ð»¡£...

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