Znn3bq.jpeg
²é¿´: 1389  |  »Ø¸´: 6

459354755

гæ (³õÈëÎÄ̳)

[ÇóÖú] matlab×îºóÒ»²½µÄ×÷ͼÎÊÌâ ÒÑÓÐ1È˲ÎÓë

³ÌÐòÏÖÔÚ¶¼Ð´ºÃÁË£¬¾ÍÊÇ×îºóµÄ×÷ͼ³ÌÐòÁË£¬±¾ÈËûÓÐѧ¹ýmatlabËùÒÔÂ鷳д³ö³ÌÐò¡£  Ð»Ð»£¡
³ÌÐòÈçÏ£º
k=2*pi/(532*10^-9);
z=0.1;
m=1;
l=0;
theta=0;
r0=0.005;
nnx=256;
xx=-0.005:0.01/255:0.005;
yy=-0.005:0.01/255:0.005;
for nn=1:nnx
   for mm=1:nnx
    phi=atan2(yy(mm), xx(nn));
    rho=sqrt(yy(mm).^2+xx(nn).^2);
f(nn,mm)=quad(@(r)r.*exp(-0.1*i*k*r.^1.5)*k*i.^(m+2).*besselj(m,-k*rho*r/z).*sin(m*phi+2*pi*(r/r0).^l+theta),0,r0);
end
end
²î×îºóÒ»¸ö³öͼÏñµÄÓïÑÔ¡£
×îºó½á¹ûÀàËÆÓÚÄÇÕÅͼƬ¡£
³ÌÐòµ÷ÊÔʱ¼äºÜ¾Ã£¬ËùÒÔÖ»ÇóÕýÈ·µÄͼÏñÇ󷨡£
лл¸÷λ£¡

matlab×îºóÒ»²½µÄ×÷ͼÎÊÌâ
Z8RST[5IFPCQ_3{UJ[QU[}7.png
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

eidie

ľ³æÖ®Íõ (ÎÄ̳¾«Ó¢)

ÎÄÏ׽ܳö¹±Ï×

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
fmax=max(max(f));
fmin=min(min(f));
f2=(f-fmin)/(fmax-fmin); %Êýֵ̫С£¬¹éÒ»»¯[0, 1]
imagesc(f2);
colormap jet;
colorbar;
¸úÒ»¸öÅ®²©Ê¿ÏàÇ×£¬ÎÒÎÊËý£º¡°ÄãѧÀúÕâô¸ß£¬¼ÞµÄ³öÈ¥Â𣿡±Ëý˵£º¡°Õâ¸öÎÊÌ⣬µÈÎÒ»ØÈ¥Ð´ÆªÂÛÎĻشðÄã¡£¡±
2Â¥2015-05-07 18:38:17
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

459354755

гæ (³õÈëÎÄ̳)

ÒýÓûØÌû:
2Â¥: Originally posted by eidie at 2015-05-07 18:38:17
fmax=max(max(f));
fmin=min(min(f));
f2=(f-fmin)/(fmax-fmin); %Êýֵ̫С£¬¹éÒ»»¯
imagesc(f2);
colormap jet;
colorbar;

fmax=max(max(f));
fmin=min(min(f));
f2=(f-fmin)/(fmax-fmin); %Êýֵ̫С£¬¹éÒ»»¯[0, 1]
imagesc(f2);
colormap jet;
colorbar;
Error using image
Image CData can not be complex

Error in imagesc (line 19)
    hh = image(varargin{1},'CDataMapping','scaled');
¶Ô²»Æð£¬ÔËÐÐÖ®ºó³ÌÐò´íÎó£¬Äã¿É²»¿ÉÒÔÉÔ΢¸ÄÏ лл
3Â¥2015-05-08 08:12:38
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

eidie

ľ³æÖ®Íõ (ÎÄ̳¾«Ó¢)

ÎÄÏ׽ܳö¹±Ï×

ÒýÓûØÌû:
3Â¥: Originally posted by 459354755 at 2015-05-07 12:12:38
fmax=max(max(f));
fmin=min(min(f));
f2=(f-fmin)/(fmax-fmin); %Êýֵ̫С£¬¹éÒ»»¯
imagesc(f2);
colormap jet;
colorbar;
Error using image
Image CData can not be complex

Error in imagesc (line  ...

¸ù¾ÝÌáʾ£¬Äã×Ô¼ºÔËËã³öÏÖ¸´Êý¡£²»ÖªµÀÄãÒªÏÔʾµÄÊÇÄ££¬»¹ÊÇÏàλ¡£
¸úÒ»¸öÅ®²©Ê¿ÏàÇ×£¬ÎÒÎÊËý£º¡°ÄãѧÀúÕâô¸ß£¬¼ÞµÄ³öÈ¥Â𣿡±Ëý˵£º¡°Õâ¸öÎÊÌ⣬µÈÎÒ»ØÈ¥Ð´ÆªÂÛÎĻشðÄã¡£¡±
4Â¥2015-05-08 08:52:34
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

459354755

гæ (³õÈëÎÄ̳)

ÒýÓûØÌû:
4Â¥: Originally posted by eidie at 2015-05-08 08:52:34
¸ù¾ÝÌáʾ£¬Äã×Ô¼ºÔËËã³öÏÖ¸´Êý¡£²»ÖªµÀÄãÒªÏÔʾµÄÊÇÄ££¬»¹ÊÇÏàλ¡£...

Ïàλ      Ð»Ð»
5Â¥2015-05-08 09:23:20
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

eidie

ľ³æÖ®Íõ (ÎÄ̳¾«Ó¢)

ÎÄÏ׽ܳö¹±Ï×

ÒýÓûØÌû:
5Â¥: Originally posted by 459354755 at 2015-05-07 13:23:20
Ïàλ      Ð»Ð»...

ÔÚMATLABÖÐangleº¯ÊýÓÃÓÚÇó½â¸´ÊýÏà룬°Ù¶È²Î¿¼º¯Êý£¬Äã×Ô¼º´úÈë¸Ãº¯ÊýÊÔÊÔ°É¡£
¸úÒ»¸öÅ®²©Ê¿ÏàÇ×£¬ÎÒÎÊËý£º¡°ÄãѧÀúÕâô¸ß£¬¼ÞµÄ³öÈ¥Â𣿡±Ëý˵£º¡°Õâ¸öÎÊÌ⣬µÈÎÒ»ØÈ¥Ð´ÆªÂÛÎĻشðÄã¡£¡±
6Â¥2015-05-08 10:24:14
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
7Â¥2015-05-10 18:39:01
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ 459354755 µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 22408 312Çóµ÷¼Á +20 ÃÅ·ÃþÃþ 2026-04-14 21/1050 2026-04-15 20:39 by cuisz
[¿¼ÑÐ] 297¹¤¿Æµ÷¼Á? +14 ºÓÄÏũҵ´óѧ-ÄÜ 2026-04-13 15/750 2026-04-15 13:25 by ºÚ¿Æ¼¼¿óÒµ
[¿¼ÑÐ] 26ҩѧר˶105500Çóµ÷¼Á +6 à¶¹þ¼ÓÓÍ 2026-04-13 6/300 2026-04-14 16:40 by zhouxiaoyu
[¿¼ÑÐ] 366Çóµ÷¼Á +11 ²»ÖªÃûµÄСئ 2026-04-11 11/550 2026-04-14 15:50 by zs92450
[¿¼ÑÐ] 290Çóµ÷¼Á +21 luoziheng 2026-04-10 23/1150 2026-04-14 15:49 by zs92450
[¿¼ÑÐ] Çóµ÷¼Á +20 MAXâê㯠2026-04-09 22/1100 2026-04-14 14:57 by ¶À×íÃι³Ç
[¿¼ÑÐ] Çóµ÷¼Á +16 Ñ©·ê¶¬ 2026-04-10 16/800 2026-04-14 14:27 by ÄæË®³Ë·ç
[¿¼ÑÐ] È˹¤ÖÇÄÜ320µ÷¼Á08¹¤À໹Óлú»áÂð +18 Õñ¡ªTZ 2026-04-10 19/950 2026-04-14 10:34 by screening
[¿¼ÑÐ] ¿¼ÑÐÓ¢Ò»ÊýÒ»338·Ö +9 ³¤½­´óѧ¶«Ð£Çø 2026-04-13 10/500 2026-04-14 00:41 by Íõ¬Bè±
[¿¼ÑÐ] 293Çóµ÷¼Á +16 ÎÒ°®¸ßÊý¸ßÊý°®Î 2026-04-12 18/900 2026-04-13 21:47 by ѧԱJpLReM
[»ù½ðÉêÇë] 2026 WRÇà°Î +3 ¶¬ÈÕÑô¹âCAS 2026-04-09 6/300 2026-04-13 18:40 by liuchb715
[¿¼ÑÐ] ÉúÎïѧµ÷¼Á +11 СȽҪŬÁ¦ 2026-04-10 13/650 2026-04-13 11:46 by µç»¯Ñ§¼°´ß»¯
[¿¼ÑÐ] Ò»Ö¾Ô¸Õã´óÉúÎï325·ÖÇóµ÷¼Á +9 zysheng 2026-04-12 9/450 2026-04-12 22:31 by yuyin1233
[¿¼ÑÐ] 277 ÊýÒ»104£¬Ñ§Ë¶£¬Çóµ÷¼Á +21 Æ¿×ÓPZ 2026-04-09 23/1150 2026-04-11 23:12 by labixiaoqiao
[¿¼ÑÐ] Ò»Ö¾Ô¸Ïôó0856£¬306Çóµ÷¼Á +15 Bblinging 2026-04-11 15/750 2026-04-11 22:53 by 314126402
[¿¼ÑÐ] µ÷¼Á +5 ÎĵÀÐÇ̨ 2026-04-11 5/250 2026-04-11 15:01 by ¿­¿­Òª±ä˧
[¿¼ÑÐ] 0859£¬337Çóµ÷¼Á +4 ÑÐs. 2026-04-10 4/200 2026-04-11 11:34 by caotw2020
[¿¼ÑÐ] µ÷¼Á »¯Ñ§ 307 +21 73372112 2026-04-09 23/1150 2026-04-10 23:53 by wj165256
[¿¼ÑÐ] ¼ÆËã»úÀàÇóµ÷¼Á£¬22408-274·Ö +7 Éϰ¶deС³æ 2026-04-09 8/400 2026-04-10 19:56 by fxue1114
[¿¼ÑÐ] ÖпÆÔº×Ü·Ö315Çóµ÷¼Á +8 lallalh 2026-04-09 8/400 2026-04-10 19:30 by dick_runner
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û