±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 356  |  »Ø¸´: 0

iamsad

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

[½»Á÷] ¡¾ÇóÖú¡¿ÎÊÒ»¸öº¬²Î±äÁ¿µÄFourier»ý·Ö

Ê×ÏÈÎÒ±ØÐë³ÐÈÏÎÒ¶ÔÊýÖµ·½·¨·Ç³£²»ÊìϤ£¬µ«ÊÇÏÖÔÚÓöµ½Ò»¸öÊýÖµÎÊÌâÆ«Æ«ÐèÒª±È½Ï¹ãµÄÊýÖµ·ÖÎö֪ʶ¡£

ÎÊÌâ¼òµ¥Ëµ¾ÍÊÇÊýÖµ¼ÆËãÈçϺ¬²Î±äÁ¿µÄFourier»ý·Ö



ÆäÖÐa,b¶¼ÊÇÓÐÏÞµÄʵÊý, tÊDzαäÁ¿£¬t>=0
¶øÄǸö±»±ä»»µÄº¯Êý
Ö»ÄÜÔÚÖ¸¶¨tµÄÇé¿öÏÂÓÃÊýÖµÇó½â΢·Ö·½³ÌµÄ°ì·¨¼ÆËã³öÀ´£¬ÊÂÏȲ»ÖªµÀÆäÌØÕ÷¡£

¾ÝÎÒÓÐÏÞµÄ֪ʶ£¬³£ÓõÄGauss-Legendre·½·¨¶ÔÕâÖÖ»ý·ÖÓ¦¸Ã²»Ì«ÊÊÓá£

ËùÒÔÎÒÏëÎÊһϴó¼Ò£¬ÊÇ·ñÓÐÒ»ÖÖÊýÖµ»ý·Ö·½·¨¿ÉÒÔ¶Ô¸¶ÕâÖÖFourier»ý·Ö£¬
¶øÇÒ½ÚµãÊǸú²Î±äÁ¿tµÄȡֵÊÇÎ޹ص쬼´¶ÔÈκεÄt£¬½Úµã¶¼Ò»Ñù£¿

ÏÈллÁË¡£
»Ø¸´´ËÂ¥
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ iamsad µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] Ò»Ö¾Ô¸Çà¿Æ085500£¬³õÊÔ295·Ö£¬¹«¹²¿Î213·Ö +3 Óöµ½µÄÈËÔ¸Íû¶¼Ä 2026-04-05 3/150 2026-04-05 18:45 by À¶ÔÆË¼Óê
[¿¼ÑÐ] »¯Ñ§357·Ö£¬¿¼Ñе÷¼Á +10 .Starry. 2026-04-04 11/550 2026-04-05 10:57 by cql1109
[¿¼ÑÐ] 283·ÖÇóµ÷¼Á +9 ÊÔÊÔ¿´ß 2026-04-04 9/450 2026-04-05 10:27 by ¹û¶³´óÍõ
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤363ÇóÍÆ¼ö +7 zh096 2026-04-04 7/350 2026-04-05 09:11 by İÇï26
[¿¼ÑÐ] ²ÄÁÏר˶322·Ö +11 ¹þ¹þ¹þºðºðºð¹þ 2026-04-02 11/550 2026-04-04 23:37 by ÓÀ×ÖºÅ
[¿¼ÑÐ] 320Çóµ÷¼Á +3 Ò»ÑùÔ² 2026-04-04 3/150 2026-04-04 22:29 by à£à£à£0119
[¿¼ÑÐ] Ò»Ö¾Ô¸°²»Õij211 0703»¯Ñ§×Ü·Ö339Çóµ÷¼Á +6 Íí·ç²»Íí 2026-04-04 6/300 2026-04-04 20:11 by dongzh2009
[¿¼ÑÐ] Ò»Ö¾Ô¸¹þ¶û±õ¹¤Òµ´óѧ085600Ó¢Ò»Êý¶þ337·ÖÇóµ÷¼Á +11 lyz0427 2026-04-03 11/550 2026-04-04 15:31 by dongzh2009
[¿¼ÑÐ] 282Çóµ÷¼Á +20 ycy1201 2026-04-01 22/1100 2026-04-04 00:42 by userper
[¿¼ÑÐ] 338Çóµ÷¼Á +4 zzz£¬£¬r 2026-04-03 4/200 2026-04-03 16:39 by lijunpoly
[¿¼ÑÐ] 266·Ö£¬Çó²ÄÁÏÏà¹Ø×¨Òµµ÷¼Á +13 ÍÛºôºßºôºß 2026-03-30 15/750 2026-04-03 15:24 by arrow8852
[¿¼ÑÐ] Çóµ÷¼Á²»Ìôרҵ +3 xrh030412 2026-04-01 3/150 2026-04-03 14:40 by µªÆøÆøÆø
[˶²©¼ÒÔ°] ÇóÀÏʦÊÕÁô +9 lllq123 2026-04-03 9/450 2026-04-03 13:48 by ºôÎü¶¼ÊǼõ·Ê
[¿¼ÑÐ] 08¹¤¿Æ£¬295£¬½ÓÊÜ¿çרҵµ÷¼Á +8 lmnlzy 2026-03-30 8/400 2026-04-03 13:08 by nalakaiqi
[¿¼ÑÐ] Çóµ÷¼Á +3 ÐÄÏëÊÂ³É¿É 2026-04-03 3/150 2026-04-03 11:22 by wangjy2002
[¿¼ÑÐ] 283Çóµ÷¼Á +3 jiouuu 2026-04-02 4/200 2026-04-02 14:08 by ßÕßÕßÕßÉßÉßÉ
[¿¼ÑÐ] Ò»Ö¾Ô¸9³õÊÔ366 ±¾Ë«·ÇÇóµ÷¼Á +4 ÔËÆøÀ´µÃÈôÓÐËÆÎ 2026-04-02 4/200 2026-04-02 09:56 by guanxin1001
[¿¼ÑÐ] 070300»¯Ñ§×¨Òµ279µ÷¼Á +10 ¹þ¹þ¹þ^_^ 2026-03-31 10/500 2026-03-31 23:13 by liu823948201
[¿¼ÑÐ] Ò»Ö¾Ô¸Î÷½»´ó080500²ÄÁÏѧ˶349 +6 jqx1258 2026-03-31 7/350 2026-03-31 21:08 by yuq
[¿¼ÑÐ] µ÷¼Á +4 GK72 2026-03-30 4/200 2026-03-30 20:32 by dick_runner
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û