Znn3bq.jpeg
²é¿´: 1808  |  »Ø¸´: 6

Æïµ¥³µÄк¢

Í­³æ (³õÈëÎÄ̳)

[ÇóÖú] ¹âѧÐźÅcos(sin(2pi*f*t))µÄ¸µÀïÒ¶Õ¹¿ª£¿

¸÷λʦÐÖʦ½ã£º
    ÔÚ¼¤¹âÕýÏÒÏàλµ÷ÖÆ¸ÉÉæÒÇÀï¾­³£»á¿´µ½ÐÎÈçcos(sin(2pi*f*t))µÄÐźŸµÀïÒ¶¼¶ÊýÕ¹¿ª£¬ÀïÃæº¬ÓеÚÒ»Àà±´Èû¶ûº¯Êý£¬²»ÖªÊÇÔõÃ´ÍÆµ¼³öÀ´µÄ£¬ÄÄÀïÓÐÏà¹ØÍÆµ¼µÄ×ÊÁÏÄܽéÉÜÏÂô£¿
    лл£¡
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

openyoureye

Í­³æ (СÓÐÃûÆø)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï
mze04532(½ð±Ò+1): ¹ÄÀøÓ¦Öú~ 2011-11-02 23:28:03
ûÓÐѧ¹ý£¬²»¹ýÎÒ¾õµÃÍòÄܵÄÌ©ÀÕÕ¹¿ªÊÇ¿ÉÒÔ½â¾öµÄ~  ³õ²½ÊÔÁËÏ¿ÉÒÔ¸µÀïÒ¶¼¶ÊýÕ¹¿ª¡£ ÖÁÓÚÍ걸±ÕºÏµÄ±í´ïʽ²»ÏëÍÆµ¼ÁË¡£
½¡¿µ³äʵ×ÔÐÅ
2Â¥2011-11-02 00:15:23
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

iaei1

Òø³æ (СÓÐÃûÆø)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

Æïµ¥³µÄк¢(½ð±Ò+3): ·Ç³£¸Ðл£¡ 2011-11-02 10:28:08
cos(z*sin(x))=J0(z)+2±¶µÄËùÓÐJ2n(z)*cos(2nx)
¾ßÌåµÄÍÆµ¼Éæ¼°ÊýѧÎïÀí·½·¨ÀïÃæµÄÖ¤Ã÷¡£
Ïê¼û¡¶ÊµÓÃÊýѧÊֲᡷ
²Ìٻٻ¡¢ÐíÂĺ÷¡¢ÁºÔÚÖС¢ÉòÓÀ»¶±à
¿ÆÑ§³ö°æÉç
P670-P674
3Â¥2011-11-02 08:25:56
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
4Â¥2011-11-02 10:34:01
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

iaei1

Òø³æ (СÓÐÃûÆø)

,ÒÔºóÓÐÎÊÌâ´ó¼ÒÒ»ÆðÌÖÂÛÌÖÂÛ£¬ºÇºÇ
5Â¥2011-11-29 08:33:48
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

cidily

ľ³æ (ÖªÃû×÷¼Ò)

ÎÒÃÇÑÐһʱºòµÄÒ»µÀϰÌâ
NeverStop
6Â¥2012-01-31 18:43:47
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

²×º£Ò»ÉùЦ

гæ (³õÈëÎÄ̳)

7Â¥2016-10-28 20:05:24
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ Æïµ¥³µÄк¢ µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] ¼±Ðèµ÷¼Á +9 ¾ø²»·ÅÆú22 2026-04-15 10/500 2026-04-18 08:09 by chixmc
[¿¼ÑÐ] ½ÓÊÜÈκε÷¼Á +4 Ò²¾ÍÊÇÀõ×Ó 2026-04-17 4/200 2026-04-17 17:57 by Equinoxhua
[¿¼ÑÐ] 320Çóµ÷¼Á +4 Éî½¼akm 2026-04-17 4/200 2026-04-17 17:32 by Ò»ÇÐOK
[¿¼ÑÐ] 0854Çóµ÷¼Á +21 ÃÅ·ÃþÃþ 2026-04-15 25/1250 2026-04-17 15:45 by qzxyhcsy
[¿¼ÑÐ] 279Çóµ÷¼Á +13 ÕÅ·¬ÇѲ»³´µ° 2026-04-11 13/650 2026-04-17 10:38 by cuisz
[¿¼ÑÐ] 300Çóµ÷¼Á +11 ³Èa777 2026-04-15 11/550 2026-04-16 22:43 by cfdbai
[¿¼ÑÐ] 22408 312Çóµ÷¼Á +23 ÃÅ·ÃþÃþ 2026-04-14 25/1250 2026-04-16 21:21 by Art1977
[¿¼ÑÐ] 307ÖÐÒ½¿¼Ñе÷¼Á +6 ÓÚÒÔ²ÉÞÀ 2026-04-14 6/300 2026-04-16 16:20 by qingfeng258
[¿¼²©] É격×Ô¼ö +3 LinxiaÁÖÏÄ 2026-04-13 3/150 2026-04-16 12:55 by Ä«ºÉ֮¶
[¿¼ÑÐ] ҩѧÇóµ÷¼Á +14 à¶¹þ¼ÓÓÍ 2026-04-14 16/800 2026-04-16 10:15 by beilsong20
[¿¼ÑÐ] Çóµ÷¼ÁÍÆ¼ö +8 СÄô°®Ñ§Ï° 2026-04-14 8/400 2026-04-16 07:22 by ѧԱJpLReM
[¿¼ÑÐ] 297£¬¹¤¿Æµ÷¼Á? +10 ºÓÄÏũҵ´óѧ-ÄÜ 2026-04-14 10/500 2026-04-15 21:50 by noqvsozv
[¿¼ÑÐ] 271Çóµ÷¼Á +35 2261744733 2026-04-11 41/2050 2026-04-14 15:36 by zs92450
[¿¼ÑÐ] 085408¹âµçÐÅÏ¢¹¤³Ìר˶355Ò»Ö¾Ô¸³¤´º¹â»úËùµ÷¼Á +6 Íõymaa 2026-04-13 13/650 2026-04-14 11:33 by Íõymaa
[¿¼ÑÐ] 245Çóµ÷¼Á +6 ±ùÌÇéÙ?ÆûË® 2026-04-13 10/500 2026-04-14 10:49 by jyl0317
[¿¼ÑÐ] Çóµ÷¼Á +3 ÎÒ°®¸ßÊý¸ßÊý°®Î 2026-04-12 3/150 2026-04-14 01:00 by Íõ¬Bè±
[¿¼ÑÐ] Ò»Ö¾Ô¸ÖÐÄÏ´óѧ 0855 »úе 286 Çóµ÷¼Á +11 ²»»á³ÔÈâ 2026-04-12 11/550 2026-04-13 21:59 by bljnqdcc
[¿¼ÑÐ] 0831Ò»ÂÖµ÷¼Áʧ°ÜÇóÖú +10 СÐÜî£î£_s 2026-04-11 10/500 2026-04-12 22:43 by ³¤¹­°Á
[¿¼ÑÐ] Ò»Ö¾Ô¸Õã´óÉúÎï325·ÖÇóµ÷¼Á +9 zysheng 2026-04-12 9/450 2026-04-12 22:31 by yuyin1233
[¿¼ÑÐ] 331Çóµ÷¼Á +5 Íõ¹ú˧ 2026-04-11 5/250 2026-04-11 22:56 by Ϫ½§Á÷Ë®
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û