Znn3bq.jpeg
²é¿´: 1951  |  »Ø¸´: 5

°Ë½ÇÕ¯

Òø³æ (ÖøÃûдÊÖ)

[ÇóÖú] ÇóÖú£º¸½Í¼2ÖÐÑîÊÏË«·ì¸ÉÉæÍ¼ÑùµÄºá×ø±ê±íʾʲô£¿Ð»Ð»¡£ ÒÑÓÐ2È˲ÎÓë

% ÓÃMATLABÓï¾ä£¬µÃµ½¸½Í¼2
% ÇóÖúÎÊÌ⣺¸½Í¼2ÖÐÑîÊÏË«·ì¸ÉÉæÍ¼ÑùµÄºá×ø±ê±íʾʲô£¿Ð»Ð»¡£

length=500e-9;       %È¡¶¨¸ÉÉæ¹âµÄ²¨³¤Îª500 nm
d=2e-3;               %ȡ˫·ì¼äµÄ¾àÀëΪ2mm
D= 2;            %Ë«·ìµ½ÆÁÄ»µÄ¾àÀëΪ2m
xmax=5*length*D/d;  %É趨ͼ°¸µÄx·½Ïò·¶Î§
y=xmax;            %É趨ͼ°¸µÄyÏò·¶Î§
x=linspace(-xmax,xmax,100);  %É趨x·½ÏòµÄµãÊýΪ100
for i=1:100
I(i,=4*cos(2*pi*x(i).*d./D./length./2).^ 2;   %¼ÆËã¸ÃµãµÄ¹âÇ¿
end
br=(I/4.0)* 255;% È·¶¨»Ò¶ÈµÈ¼¶Îª255,ʹ×î´ó¹âÇ¿4.0¶ÔÓ¦×î´ó»Ò¶È¼¶°×É«
image(y,x,br);    %»­Í¼Ïñ
colormap(gray(255));  %ʹÓûҶȼ¶ÑÕÉ«

ÇóÖú£º¸½Í¼2ÖÐÑîÊÏË«·ì¸ÉÉæÍ¼ÑùµÄºá×ø±ê±íʾʲô£¿Ð»Ð»¡£
ͼ1 ÑîÊÏË«·ì¸ÉÉæÊ¾Òâͼ.jpg


ÇóÖú£º¸½Í¼2ÖÐÑîÊÏË«·ì¸ÉÉæÍ¼ÑùµÄºá×ø±ê±íʾʲô£¿Ð»Ð»¡£-1
ͼ2 ÑîÊÏË«·ì¸ÉÉæÍ¼Ñù.jpg
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

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

[ ·¢×ÔСľ³æ¿Í»§¶Ë ]
2Â¥2014-05-13 22:50:04
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

hustoe2011

ÖÁ×ðľ³æ (ÎÄ̳¾«Ó¢)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
Ϊ´¹Ö±ÓÚÆÁÄ»·½ÏòµÄÄǸöÖᣬ
ÕâÖ»ÊÇÄ£Ä⣬ÔÚÏÖʵÖУ¬µÃÓÃ1Ã×+³¤µÄÏß×´¹âÔ´¡¢Í¬Ê±Ð¡¿×µÄÏß¿íÒ²£¾1ÃײÅÄÜ»ñµÃ¸Ã½á¹û¡£
ËæÐÄËùÓû²»Óâ¾Ø
3Â¥2014-05-13 23:38:21
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

°Ë½ÇÕ¯

Òø³æ (ÖøÃûдÊÖ)

ÒýÓûØÌû:
3Â¥: Originally posted by hustoe2011 at 2014-05-13 23:38:21
Ϊ´¹Ö±ÓÚÆÁÄ»·½ÏòµÄÄǸöÖᣬ
ÕâÖ»ÊÇÄ£Ä⣬ÔÚÏÖʵÖУ¬µÃÓÃ1Ã×+³¤µÄÏß×´¹âÔ´¡¢Í¬Ê±Ð¡¿×µÄÏß¿íÒ²£¾1ÃײÅÄÜ»ñµÃ¸Ã½á¹û¡£

·Ç³£¸Ðл£¬ÄãÊǹâѧר¼Ò¡£
Ä£Äâ½á¹ûÖУ¬×Ý×ø±êµÄ¿í¶ÈΪ 5³Ë10µÄ¸º3´Î·½ Ã×£¬ ¼´ 5ºÁÃס£
Ä£Äâ½á¹ûÖУ¬ºá×ø±ê±íÊö³¤¶È£¬Èç¹ûµ¥Î»ÊÇÃ×£¬ºá×ø±êµÄ×Ü¿í¶È¾ÍÊÇ 1Ã×£¬
ÄǺá×ø±êºÍ×Ý×ø±ê¾Í²îÁË10µÄ3´Î·½Á¿¼¶ÁË¡£

ÎÒ¶Ô´Ë»¹ÊǺÜÀ§ÈÅ£¬Ð»Ð»¡£
4Â¥2014-05-14 07:58:57
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

hustoe2011

ÖÁ×ðľ³æ (ÎÄ̳¾«Ó¢)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
°Ë½ÇÕ¯: ½ð±Ò+6, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸, лл°ïæ¡£ 2014-05-15 10:31:32
ÒýÓûØÌû:
4Â¥: Originally posted by °Ë½ÇÕ¯ at 2014-05-14 07:58:57
·Ç³£¸Ðл£¬ÄãÊǹâѧר¼Ò¡£
Ä£Äâ½á¹ûÖУ¬×Ý×ø±êµÄ¿í¶ÈΪ 5³Ë10µÄ¸º3´Î·½ Ã×£¬ ¼´ 5ºÁÃס£
Ä£Äâ½á¹ûÖУ¬ºá×ø±ê±íÊö³¤¶È£¬Èç¹ûµ¥Î»ÊÇÃ×£¬ºá×ø±êµÄ×Ü¿í¶È¾ÍÊÇ 1Ã×£¬
ÄǺá×ø±êºÍ×Ý×ø±ê¾Í²îÁË10µÄ3´Î·½Á¿¼¶ÁË¡£

ÎÒ ...

ÄãÕâ¸ö½á¹ûÌ«ÀíÏ루ֻÊǸÉÉæ½á¹û£©£¬
×Ý×ø±ê£¨YÖᣩÉÏϽöΪ5mm£¬ËµÃ÷½ÓÊÕÆÁÀëË«·ì¾àÀë±È½Ï½ü£¬Ò²¾ÍÊÇD±È½ÏС¡£
ʵ¼Ê¹âÊøÍ¨¹ýË«·ìºó£¬ÓÉÓÚÑÜÉäЧӦµÄ´æÔÚ£¬¸ÉÉæÌõÎÆµÄ±ßÔµ²¿·Ö±äµÃ±È½ÏÔ²»¬£¬¶ø²»ÊÇÓÐÀâÓнǵġ£
Õâ¸öʵÑ飬´óѧÆÕÎïʵÑéÊÒ¶¼ÄÜÇáËÉÍê³ÉµÄ¡£
ËæÐÄËùÓû²»Óâ¾Ø
5Â¥2014-05-14 09:46:27
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

Ëï?ª730

ÖÁ×ðľ³æ (ÖªÃû×÷¼Ò)

ÓÅÐã°æÖ÷

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
°Ë½ÇÕ¯: ½ð±Ò+6, ¡ï¡ï¡ïºÜÓаïÖú, ¸Ðл°æÖ÷¡£ 2014-05-15 10:31:41
×ÜÖ® Ó¦¸ÃÊǿռä³ß¶ÈµÄµ¥Î»
×îºÃÑ¡ÓÃÓëÌõÎÆ³ß¶ÈÒ»Öµĵ¥Î»
ÕâÑùÌõÎÆ½«ÊÇÒ»ÖֵȱÈÀýÏÔʾ

ÑîÊÏË«·ì¸ÉÉæ ÍùÍù¼ÙÉèË«·ìÎÞÏÞ³¤
ËùÒÔ ÏÔʾµÄ½á¹ûͨ³£ÊÇÌõÎÆµÄ¾Ö²¿
sunyu730_emuch@126.com
6Â¥2014-05-14 12:54:32
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ °Ë½ÇÕ¯ µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 22408µ÷¼ÁÇóÖú +3 ì±12 2026-04-09 5/250 2026-04-09 23:21 by zhouyuwinner
[¿¼ÑÐ] µ÷¼Á +8 ¾í¾í¾íÐIJË_ 2026-04-09 8/400 2026-04-09 22:16 by lbsjt
[¿¼ÑÐ] 284Çóµ÷¼Á +7 archer.. 2026-04-09 8/400 2026-04-09 21:30 by bljnqdcc
[¿¼ÑÐ] »¯¹¤Çóµ÷¼Á£¡ +34 RichLi_ 2026-04-06 34/1700 2026-04-09 20:39 by zhouxiaoyu
[¿¼ÑÐ] 085400 328·Ö Çóµ÷¼Á +8 ιÄãÒ»¸ö´ó³È×Ó 2026-04-09 12/600 2026-04-09 19:20 by zl8213662
[¿¼ÑÐ] 368»¯Ñ§Çóµ÷¼Á +13 wwwwabcde 2026-04-07 14/700 2026-04-09 14:47 by heaven_jay
[¿¼ÑÐ] 0702ÎïÀíѧѧ˶299Çóµ÷¼Á +5 ÆîÆâÁ¬ 2026-04-06 5/250 2026-04-09 09:27 by wj165256
[¿¼ÑÐ] 0703×Ü·Ö331Çóµ÷¼Á +18 ZY-05 2026-04-04 22/1100 2026-04-09 09:09 by ŶŶ123
[¿¼ÑÐ] 285Çóµ÷¼Á +7 ¶ñ·¨´ó¶þµÄÆøÎ¶ß 2026-04-05 10/500 2026-04-08 14:34 by zhq0425
[¿¼ÑÐ] ²ÄÁϵ÷¼Á +13 ºº123456 2026-04-07 14/700 2026-04-07 22:53 by À´¿´Á÷ÐÇÓê10
[¿¼ÑÐ] 318Çóµ÷¼Á +5 ÀîÇàɽɽɽ 2026-04-07 5/250 2026-04-07 18:24 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 312Çóµ÷¼Á +18 gtw1 2026-04-06 20/1000 2026-04-07 18:16 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 22408 318·ÖÇóµ÷¼Á +4 ÇڷܵÄСÁý°ü 2026-04-06 6/300 2026-04-07 15:05 by Ö½º×555
[¿¼ÑÐ] 333Çóµ÷¼Á +6 ºÏ³ËÑîϰϦ 2026-04-06 6/300 2026-04-07 09:44 by Öí»á·É
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤363ÇóÍÆ¼ö +11 zh096 2026-04-04 11/550 2026-04-06 19:14 by guanxin1001
[¿¼ÑÐ] Ò»Ö¾Ô¸±±½»´ó²ÄÁϹ¤³Ì×Ü·Ö358Çóµ÷¼Á +6 cs0106 2026-04-05 6/300 2026-04-05 16:34 by imissbao
[¿¼ÑÐ] 081200-11408-276ѧ˶Çóµ÷¼Á +4 ´Þwj 2026-04-04 5/250 2026-04-05 14:06 by imissbao
[¿¼ÑÐ] 283Çóµ÷¼Á +4 mcbbc 2026-04-03 5/250 2026-04-04 20:51 by imissbao
[¿¼ÑÐ] ±¾¿Æ211£¬×¨Òµ085404£¬293·ÖÇëÇóµ÷¼Á +5 Á«²Ë¾ÍÊÇź°É 2026-04-04 5/250 2026-04-04 14:08 by ÕâÊÇÒ»¸öÎÞÁĵÄê
[¿¼ÑÐ] 085701Çóµ÷¼Á +7 ¹¨ÓíÃú 2026-04-04 8/400 2026-04-04 13:49 by ССÊ÷2024
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û