²é¿´: 2297  |  »Ø¸´: 6
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

ÐÇÐÇµãµÆ13

гæ (³õÈëÎÄ̳)

[ÇóÖú] Ò»¸ö¹ØÓÚ¸µÀïÒ¶±ä»»µÄÎÊÌâ¡£ ÒÑÓÐ2È˲ÎÓë

ÎÒÔÚ¿´Êý×ÖͼÏñ´¦Àíʱ¿´µ½ÊéÉÏÓÐÒ»¾ä»°¡°Èç¹ûº¯Êýf(t)ÓиµÀïÒ¶±ä»»F(u)£¬ÔòÔÚµãtÇóÖµºóº¯ÊýÊÇF(t)£¬ËüÒ»¶¨Óб任f(-u)¡±,ÒòΪÊǸÕѧ¸µÀïÒ¶±ä»»£¬²»ÊǺÜÃ÷°×ÕâÊÇΪʲô£¬¶ÔÔ­º¯ÊýµÄ¸µÀïÒ¶±ä»»ºóµÄ½á¹û½øÐз´±ä»»²»Ó¦¸Ã»¹ÊÇÔ­º¯ÊýÂð£¿ÎªÊ²Ã´ÊÇf(-u)°¡£¿
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

hyuxiong

½ð³æ (ÕýʽдÊÖ)

doc

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
j¾ÍÊÇFÄæ±ä»»ÁË£¬
¼ÆËãÊýѧ
4Â¥2012-02-08 08:29:09
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 7 ¸ö»Ø´ð

xxxfield

Òø³æ (СÓÐÃûÆø)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
¸µÀïÒ¶±ä»»ÊÇ F(u) = Integral f(t) e^(-2 pi u t) dt, ·´±ä»»ÊÇ f(t) = Integral F(u) e^(2 pi u t) du£¬Äã˵µÄ¿ÉÄÜÊÇÖ¸¶Ô F(t) ÔÙ×öÒ»´Î¸µÀïÒ¶±ä»»¶ø²»ÊÇÄæ±ä»»£¬¼´ f(-u) = Integral F(t) e^(-2 pi u t) dy. ¹©²Î¿¼¡£
2Â¥2012-01-18 15:18:18
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

xxxfield

Òø³æ (СÓÐÃûÆø)

ÉÏÃæ×îºóÊÇ dt ²»ÊÇ dy.
3Â¥2012-01-18 15:19:22
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

mangolz

гæ (³õÈëÎÄ̳)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

ÎÒÒ²Åöµ½Õâ¸öÎÊÌâÁË£¬ÕýÔÚ¿´¡¶Êý×ÖͼÏñ´¦Àí¡·¡£²»ÖªÂ¥Ö÷ÄãÀíÇå³þÁËûÓУ¬ÎªÊ²Ã´±ä»»ºó¶à³öÒ»¸ö¸ººÅ£¿
5Â¥2015-07-08 08:43:42
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 11408 Ò»Ö¾Ô¸Î÷µç£¬277·ÖÇóµ÷¼Á +3 zhouzhen654 2026-03-16 3/150 2026-03-17 07:03 by laoshidan
[¿¼ÑÐ] 304Çóµ÷¼Á +5 ËØÄê¼ÀÓï 2026-03-15 5/250 2026-03-16 17:00 by ÎҵĴ¬Îҵĺ£
[¿¼ÑÐ] 0703»¯Ñ§µ÷¼Á +6 ÄÝÄÝninicgb 2026-03-15 9/450 2026-03-16 16:40 by houyaoxu
[¿¼ÑÐ] 321Çóµ÷¼Á +5 ´óÃ×·¹£¡ 2026-03-15 5/250 2026-03-16 16:33 by houyaoxu
[¿¼ÑÐ] 085600µ÷¼Á +5 ÑúÑú123sun 2026-03-12 6/300 2026-03-16 15:58 by ÑúÑú123sun
[¿¼ÑÐ] 070303Ò»Ö¾Ô¸Î÷±±´óѧѧ˶310ÕÒµ÷¼Á +5 dÈçÔ¸Éϰ¶ 2026-03-12 8/400 2026-03-16 15:19 by peike
[¿¼ÑÐ] 085600²ÄÁÏÓ뻯¹¤ Çóµ÷¼Á +13 enenenhui 2026-03-13 14/700 2026-03-16 15:19 by ÁËÁËÁËÁË¡£¡£
[¿¼ÑÐ] 0703 ÎïÀí»¯Ñ§µ÷¼Á +3 ÎÒ¿ÉÒÔÉϰ¶µÄ¶Ô 2026-03-13 5/250 2026-03-16 10:50 by ÎÒ¿ÉÒÔÉϰ¶µÄ¶ÔÂ
[¿¼ÑÐ] 326Çóµ÷¼Á +4 Éϰ¶µÄСÆÏ 2026-03-15 5/250 2026-03-16 08:39 by Linda Hu
[»ù½ðÉêÇë] NSFCÉ걨ÊéÀïÉêÇëÈ˼òÀúÖдú±íÐÔÂÛÖø»¹ÐèÒªÔÚÉ걨Êé×îºóµÄ¸½¼þÀïÃæÔÙÉÏ´«Ò»±éÂð 20+5 NSFC2026ÎÒÀ´ÁË 2026-03-10 14/700 2026-03-15 23:53 by ²»¸ºÉØ»ªµÄ»¢
[¿¼ÑÐ] ±¾¿ÆÄϾ©´óѧһ־Ը´¨´óҩѧ327 +3 ÂóÌï¸ûÕß 2026-03-14 3/150 2026-03-14 20:04 by ÍâÐÇÎÄÃ÷
[¿¼ÑÐ] 297Ò»Ö¾Ô¸ÉϽ»085600Çóµ÷¼Á +5 Ö¸¼â°ËǧÀï 2026-03-14 5/250 2026-03-14 17:26 by a²»Ò×
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤£¨0856£©304ÇóBÇøµ÷¼Á +6 Çñgl 2026-03-12 7/350 2026-03-13 23:24 by Çñgl
[¿¼ÑÐ] 285 Çóµ÷¼Á ×ÊÔ´Óë»·¾³ Ò»Ö¾Ô¸±±¾©»¯¹¤´óѧ +3 δÃû¿¼Éú 2026-03-10 3/150 2026-03-13 23:04 by JourneyLucky
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤Çóµ÷¼ÁÒ»Ö¾Ô¸ 985 ×Ü·Ö 295 +8 dream¡­¡­ 2026-03-12 8/400 2026-03-13 22:17 by ÐÇ¿ÕÐÇÔÂ
[¿¼ÑÐ] £Û0860£Ý321·ÖÇóµ÷¼Á£¬abÇø½Ô¿É +4 ±¦¹óÈÈ 2026-03-13 4/200 2026-03-13 22:01 by ÐÇ¿ÕÐÇÔÂ
[¿¼ÑÐ] 26µ÷¼Á/²ÄÁÏ/Ó¢Ò»Êý¶þ/×Ü·Ö289/ÒѹýAÇøÏß +6 ²½´¨¿á×Ï123 2026-03-13 6/300 2026-03-13 21:59 by ÐÇ¿ÕÐÇÔÂ
[¿¼ÑÐ] 304Çóµ÷¼Á +7 7712b 2026-03-13 7/350 2026-03-13 21:42 by peike
[¿¼ÑÐ] 329Çóµ÷¼Á +3 miaodesi 2026-03-12 4/200 2026-03-13 20:53 by 18595523086
[¿¼ÑÐ] 274Çóµ÷¼Á0856²ÄÁÏ»¯¹¤ +12 z2839474511 2026-03-11 13/650 2026-03-13 10:39 by peike
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û