²é¿´: 2303  |  »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

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
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

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

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] 267Ò»Ö¾Ô¸ÄϾ©¹¤Òµ´óѧ0817»¯¹¤Çóµ÷¼Á +8 SUICHILD 2026-03-12 8/400 2026-03-18 20:55 by winsuccess
[¿¼ÑÐ] 271²ÄÁϹ¤³ÌÇóµ÷¼Á +4 .6lL 2026-03-18 4/200 2026-03-18 20:05 by ˜B¸ç
[¿¼ÑÐ] »¯¹¤Ñ§Ë¶306Çóµ÷¼Á +10 42838695 2026-03-12 10/500 2026-03-18 14:42 by haxia
[¿¼ÑÐ] 299Çóµ÷¼Á +5 ¡÷С͸Ã÷* 2026-03-17 5/250 2026-03-18 11:49 by ¾¡Ë´Ò¢1
[¿¼ÑÐ] ÉúÎïѧ071000 329·ÖÇóµ÷¼Á +3 ÎÒ°®ÉúÎïÉúÎﰮΠ2026-03-17 3/150 2026-03-18 10:12 by macy2011
[¿¼ÑÐ] 293Çóµ÷¼Á +11 zjlµÄºÅ 2026-03-16 16/800 2026-03-18 08:10 by zhukairuo
[¿¼ÑÐ] ÓÐûÓеÀÌú/ÍÁľµÄÏëµ÷¼ÁÄÏÁÖ£¬¸ø×Ô¼ºÕÐʦµÜÖС« +3 TqlXswl 2026-03-16 7/350 2026-03-17 15:23 by TqlXswl
[¿¼ÑÐ] Ò»Ö¾Ô¸ËÕÖÝ´óѧ²ÄÁϹ¤³Ì£¨085601£©×¨Ë¶ÓпÆÑо­ÀúÈýÏî¹ú½±Á½¸öʵÓÃÐÍרÀûÒ»ÏîÊ¡¼¶Á¢Ïî +6 ´ó»ðɽС»ðɽ 2026-03-16 8/400 2026-03-17 15:05 by ÎÞи¿É»÷111
[¿¼ÑÐ] 275Çóµ÷¼Á +4 Ì«Ñô»¨ÌìÌ쿪ÐÄ 2026-03-16 4/200 2026-03-17 10:53 by ¹¦·ò·è¿ñ
[¿¼ÑÐ] 302Çóµ÷¼Á +4 С¼Öͬѧ123 2026-03-15 8/400 2026-03-17 10:33 by С¼Öͬѧ123
[¿¼ÑÐ] [µ¼Ê¦ÍƼö]Î÷ÄϿƼ¼´óѧ¹ú·À/²ÄÁϵ¼Ê¦ÍƼö +3 ¼â½ÇСºÉ 2026-03-16 6/300 2026-03-16 23:21 by ¼â½ÇСºÉ
[¿¼ÑÐ] 0854¿ØÖƹ¤³Ì 359Çóµ÷¼Á ¿É¿çרҵ +3 626776879 2026-03-14 9/450 2026-03-16 17:42 by 626776879
[¿¼ÑÐ] 321Çóµ÷¼Á +5 ´óÃ×·¹£¡ 2026-03-15 5/250 2026-03-16 16:33 by houyaoxu
[¿¼ÑÐ] 080500£¬²ÄÁÏѧ˶302·ÖÇóµ÷¼ÁѧУ +4 ³õʶ¿ÉÀÖ 2026-03-14 5/250 2026-03-14 21:08 by peike
[¿¼ÑÐ] ²ÄÁϹ¤³Ìµ÷¼Á +9 ßäßä¿Õ¿Õ 2026-03-12 9/450 2026-03-13 22:05 by ÐÇ¿ÕÐÇÔÂ
[¿¼ÑÐ] Çó²ÄÁϵ÷¼Á 085600Ó¢Ò»Êý¶þ×Ü·Ö302 ǰÈý¿Æ235 ¾«Í¨»úÆ÷ѧϰ Ò»Ö¾Ô¸¹þ¹¤´ó +4 ÁÖyaxin 2026-03-12 4/200 2026-03-13 22:04 by ÐÇ¿ÕÐÇÔÂ
[¿¼ÑÐ] 329Çóµ÷¼Á +3 miaodesi 2026-03-12 4/200 2026-03-13 20:53 by 18595523086
[¿¼ÑÐ] һ־Ըɽ´ó07»¯Ñ§ 332·Ö ËÄÁù¼¶Òѹý ±¾¿ÆÉ½¶«Ë«·Ç Çóµ÷¼Á£¡ +3 ²»ÏëÀíÄã 2026-03-12 3/150 2026-03-13 14:18 by JourneyLucky
[ÂÛÎÄͶ¸å] Ͷ¸åÎÊÌâ 5+4 Ðǹâ²ÓÀÃxt 2026-03-12 6/300 2026-03-13 14:17 by god_tian
[¿¼ÑÐ] 321Çóµ÷¼Á£¨Ê³Æ·/ר˶£© +3 xc321 2026-03-12 6/300 2026-03-13 08:45 by xc321
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û