Znn3bq.jpeg
ÉÇÍ·´óѧº£Ñó¿ÆÑ§½ÓÊܵ÷¼Á
²é¿´: 959  |  »Ø¸´: 3
µ±Ç°Ö÷ÌâÒѾ­´æµµ¡£

chinaworm

ר¼Ò¹ËÎÊ (ÖªÃû×÷¼Ò)

[½»Á÷] ѹµçÌÕ´É»úеƷÖÊÒòÊýQm¼ÆËãÖеÈЧµç×èwÎÊÌâ

ѹµçÌÕ´É»úеƷÖÊÒòÊýQm¼ÆËãÖеÈЧµç×èwÎÊÌâ

¼ÆËã¸ñʽ£ºQm£½1/(4*3.14*R*C*¡÷f£©

ÆäÖУ¬¡÷fΪгÕñºÍ·´Ð³ÕñƵÂÊÖ®²î£»

CΪµÈЧµçÈÝ£»

RΪµÈЧµç×裻ÏÖÔÚ¾ÍÊÇÕâ¸öÎÊÌ⣬Õâ¸öµÈЧµç×èÓÃʲôÀ´´øÈë¡£ÎÒÏÖÔÚ¿ÉÄܲâµÄ¾ÍÊÇ×迹£¨Z¡®ºÍZ¡°£©£¬ËûÃÇ¿ÉÒÔ¼ÆËãµÈЧµç×èµÄµÈЧô£¿»¹ÊÇÓÐÆäËû·½·¨£¬±ÈÈçÖ±½ÓÓõç×è±í ²âµÄ·½·¨¡£

  Çë¸÷λָµãÏ£¬Ð»ÁË
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

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

sduzl

½ð³æ (СÓÐÃûÆø)

¿ÉÒÔÀûÓù«Ê½£ºQm=fs/(f+1/2 - f-1/2)
°ë¹¦Âʵãf+1/2¡¢f-1/2ΪµçÁ÷Õñ·ù¼õСΪ´®ÁªÐ³ÕñƵÂÊfsʱµÄ ƵÂÊ¡£Ö»ÒªÀûÓõ¼ÄɵçÇŲâ³ö ѹµçÕñ×ÓµÄfs¡¢ f+1/2¡¢f-1/2£¬¾Í¿ÉÒÔÓÃÉÏʽÇó³öQmÖµ
2Â¥2008-03-27 09:17:46
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

chinaworm

ר¼Ò¹ËÎÊ (ÖªÃû×÷¼Ò)

¿ÉÊÇÎÒÖ»ÄÜÓÃHP4294A²â frºÍfa£¬¶øÇÒÊý¾Ý²»Äܵ¼³öÀ´£¬Öª¿ÉÒÔ¿´µ½ÕâÁ½¸öÖµ£¬ËùÒÔ£¬ÎÒ»¹ÊÇÏ£Íû¿ÉÒÔÓÃÉÏÃæµÄ¹«Ë¾½øÐмÆË㣬¾ÍÊÇÄǸöµç×è²»ÖªµÀÔõô²â¶¨µÄ
Tomorrow is tomorrow
3Â¥2008-03-27 12:19:54
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

sduzl

½ð³æ (СÓÐÃûÆø)

Qm£½1/(4*3.14*R*C*¡÷f£©¡Ö1/(4*3.14*Zm*C*¡÷f£©
ZmΪѹµçÕó×ÓµÄ×îС×迹µÄ¾ø¶ÔÖµ
4Â¥2008-03-27 16:04:56
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ chinaworm µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 22408 312Çóµ÷¼Á +11 ÃÅ·ÃþÃþ 2026-04-14 11/550 2026-04-14 14:25 by ²»ÎÒÀ­ÂÌ¿¨
[¿¼ÑÐ] ÉúÎïѧµ÷¼Á +7 Ö½ÉÈzhishan 2026-04-13 7/350 2026-04-14 14:21 by jyl0317
[»ù½ðÉêÇë] RY£ºÖйú²ú³öµÄ¿ÆÑ§À¬»øÂÛÎÄ£¬¾ø¶ÔÊýÁ¿ºÍ±ÈÀý¶¼ÊÀ½çµÚÒ» +5 zju2000 2026-04-14 16/800 2026-04-14 11:55 by colck
[¿¼ÑÐ] 293Çóµ÷¼Á +16 ÎÒ°®¸ßÊý¸ßÊý°®Î 2026-04-12 18/900 2026-04-13 21:47 by ѧԱJpLReM
[¿¼ÑÐ] Çóµ÷¼Á288 +7 ioodiiij 2026-04-10 9/450 2026-04-13 08:33 by Hayaay
[¿¼ÑÐ] µçÆø×¨Ë¶320Çóµ÷¼Á +6 СÂé×Ó111 2026-04-10 6/300 2026-04-12 10:54 by lemon6009
[¿¼ÑÐ] Çóµ÷¼Á£¬Ò»Ö¾Ô¸²ÄÁÏ¿ÆÑ§Ó빤³Ì985£¬365·Ö£¬ +8 ²Ä»¯Àî¿É 2026-04-11 10/500 2026-04-12 08:42 by 852137818
[¿¼ÑÐ] Çóµ÷¼Á£¬262»úеר˶ +8 àÅyyl 2026-04-08 8/400 2026-04-12 02:31 by Çï¶¹²ËÑ¿
[¿¼ÑÐ] 305Çóµ÷¼Á +6 77Qi 2026-04-07 6/300 2026-04-12 02:30 by Çï¶¹²ËÑ¿
[¿¼ÑÐ] 267Çóµ÷¼Á +8 ÔÙæҲҪ³Ô·¹°¡ 2026-04-09 8/400 2026-04-11 21:42 by cfdbai
[¿¼ÑÐ] Çóµ÷¼Á +11 ôæôæÒ»ÊéÉú 2026-04-09 11/550 2026-04-11 19:57 by ÄæË®³Ë·ç
[¿¼ÑÐ] 281Çóµ÷¼Á +11 ¾õµÃºÃµÄ°É 2026-04-10 11/550 2026-04-11 09:35 by ÄæË®³Ë·ç
[¿¼ÑÐ] Ò»Ö¾Ô¸¶«±±´óѧ¿ØÖƹ¤³Ì085406Êý¶þÓ¢¶þ385£¬Çóµ÷¼Á +8 Ezra_Zhang 2026-04-09 8/400 2026-04-11 09:15 by Öí»á·É
[¿¼ÑÐ] 337Çóµ÷¼Á +4 ÑÐs. 2026-04-10 4/200 2026-04-11 08:57 by zhq0425
[¿¼ÑÐ] 284Çóµ÷¼Á +9 ÈÃÎÒÉϰ¶°É°¢Î÷ 2026-04-09 11/550 2026-04-10 19:18 by ¾¸jing
[¿¼ÑÐ] Ò»Ö¾Ô¸¾©Çø985£¬085401£¬Óë±¾¿Æ×¨ÒµÒ»Ö£¬µç×ÓÐÅÏ¢¹¤³Ì£¬ +4 Ñô¹â¿ªÀʵÄÄк¢ 2026-04-10 4/200 2026-04-10 18:27 by shenrf
[¿¼ÑÐ] Ò»Ö¾Ô¸¾©Çø985£¬085401µç×ÓÐÅÏ¢£¬±¾¿Æµç×ÓÐÅÏ¢ +3 Ñô¹â¿ªÀʵÄÄк¢ 2026-04-10 3/150 2026-04-10 16:29 by sophia_93
[¿¼ÑÐ] 086000ÉúÎïÓëÒ½Ò©µ÷¼Á +7 awwwwwooooo 2026-04-09 7/350 2026-04-09 13:31 by ±±¼«159263
[¿¼ÑÐ] Ò»Ö¾Ô¸Î÷ÄÏ´óѧÉúÎïѧѧ˶344 ÇóÉúÎïѧÏà¹Øµ÷¼Á/ÉúÎïÓëÒ½Ò© +7 ³¬È˲»»á·É@ 2026-04-08 7/350 2026-04-09 09:35 by gong120082
[¿¼ÑÐ] 316Çóµ÷¼Á +4 15318418673 2026-04-07 4/200 2026-04-07 22:12 by hemengdong
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û