±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 2512  |  »Ø¸´: 6
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

wjt1111

Í­³æ (СÓÐÃûÆø)

[ÇóÖú] ѹµçÌմɵÄÎ»ÒÆ

¸÷λ´óÅ££¬Çë½ÌÒ»¸öÎÊÌâ¡£¸øPZTÉϼÓÔØµÄµçѹΪU=A*sin(2pi*k*t)£¬ÆäÖÐAÊǵ¥Ïò·åÖµµçѹ¡£ÄÇôµ±¼ÓÔØµÄµçѹΪÁãʱ£¬Ñ¹µçÌմɵÄÎ»ÒÆÁ¿ÊǶàÉÙ£¿¼ÓѹºÍ½µÑ¹¹ý³ÌµÄ0µçѹÓкÎÇø±ð£¿
ÕâÊÇÎÒµÚÒ»´ÎÔÚСľ³æÉÏÇóÖú£¬´ó¼Ò¶à¶àÖ§³Ö°¡£¬½öÓеÄÒ»µã½ð±ÒËÍÉÏ¡£·Ç³£¸Ðл£¡
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

wjt1111

Í­³æ (СÓÐÃûÆø)

×î½ü×ÉѯÁËÏ£¬Õâ¸öºÃÏñÊÇû°ì·¨Ô¤²â¡£¶ÔÓÚÕâÖÖÕý¸ºµçѹ½»Ìæ¼ÓÔØµÄÇé¿ö£¬Òª×¢ÒâPZTµÄÉ¢ÈÈ£¬·ñÔò¼ÓÔØ¸ºµçѹ¿ÉÄܾͲ»Æð×÷ÓÃÁË¡£»¹ÓУ¬Ð¡µçѹϵĵçÑ¹Î»ÒÆÏµÊý¸ú´óµçѹʱµÄµçÑ¹Î»ÒÆÏµÊý»¹ÊÇÓбȽϴóµÄ²î±ð£¬¹À¼Æ»áС50%¡£
ÖÁÓÚÎÒµÄÎÊÌ⣬û°ì·¨¹À¼Æ£¬Ö»ÄÜʵ¼ÊÀ´²âÁ¿ÁË¡£
лл¸÷λµÄ»Ø¸´¡£
ÉúÈçÏÄ»¨
6Â¥2012-05-30 15:55:45
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 7 ¸ö»Ø´ð

wjt1111

Í­³æ (СÓÐÃûÆø)

¡ï
tjcdp: ½ð±Ò+1, ¶àлӦÖú£¬¹ÄÀøÐ³æ»ý¼«²ÎÓ룡 2012-05-20 07:51:18
A×î´óΪ10V£¬ÆµÂÊkÔ¼10000Hz
ÉúÈçÏÄ»¨
2Â¥2012-05-20 03:02:04
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

Ïã×íϦÑô

ľ³æ (ÕýʽдÊÖ)

Õâ¸ö Õæ²»ÖªµÀ  ÎÒÒ»°ãÓÃÕýѹµçЧӦ
4Â¥2012-05-21 10:43:12
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

guxue

ר¼Ò¹ËÎÊ (ÖªÃû×÷¼Ò)

ѧϰʹÈ˽ø²½

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
zhangquan8385: ר¼Ò¿¼ºË 2012-06-02 10:42:36
ÄãËù˵µÄ¾ÍÊÇѹµçÇý¶¯Æ÷¡£ÄãÓ¦¸ÃÓÃÎ¢Î»ÒÆÆ÷²âÁ¿£¬Ë­Ò²²»ÄܹÀ¼Æ°¡¡£
Çà³öÓÚÀ¶¶øÊ¤ÓÚÀ¶
5Â¥2012-05-21 11:26:49
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 275Çóµ÷¼Á +10 Micky11223 2026-03-25 14/700 2026-03-28 15:48 by Micky11223
[¿¼ÑÐ] 085602 »¯¹¤×¨Ë¶ 338·Ö Çóµ÷¼Á +12 ·³ÕСç÷ 2026-03-27 12/600 2026-03-28 15:41 by L135790
[¿¼ÑÐ] 312£¬ÉúÎïѧÇóµ÷¼Á +3 СÒëͬѧabc 2026-03-28 3/150 2026-03-28 15:32 by ÂäÉ˼
[¿¼ÑÐ] Çóµ÷¼Á +3 QiMing7 2026-03-25 4/200 2026-03-28 14:30 by QiMing7
[¿¼ÑÐ] 394Çóµ÷¼Á +3 ºÃʶàÄ¥¾²ºò¼ÑÒ 2026-03-26 5/250 2026-03-28 14:24 by ÌÆãå¶ù
[¿¼ÑÐ] ²ÄÁÏÇóµ÷¼Á Ò»Ö¾Ô¸¹þ¹¤´ó×Ü·Ö298·Ö£¬Ç°Èý¿Æ223·Ö +5 dongfang59 2026-03-27 5/250 2026-03-28 04:53 by wxiongid
[¿¼ÑÐ] Çóµ÷¼ÁÍÆ¼ö ²ÄÁÏ 304 +15 ºÉ°üµ°hyj 2026-03-26 15/750 2026-03-28 04:13 by fmesaito
[¿¼ÑÐ] 0856²ÄÁÏ»¯¹¤µ÷¼Á ×Ü·Ö330 +10 zhubinhao 2026-03-27 10/500 2026-03-28 03:34 by fmesaito
[¿¼ÑÐ] 0703»¯Ñ§Çóµ÷¼Á£¬¸÷λÀÏʦ¿´¿´ÎÒ£¡£¡£¡ +5 Æîì÷ì÷ 2026-03-25 5/250 2026-03-27 21:44 by ¶«·½ÖíÖí
[¿¼ÑÐ] Ò»Ö¾Ô¸±±¾©»¯¹¤´óѧ²ÄÁÏÓ뻯¹¤ 264·Ö¸÷¿Æ¹ýAÇø¹ú¼ÒÏß +10 ¹þ¹þ157349 2026-03-21 10/500 2026-03-27 13:06 by zzll406
[¿¼ÑÐ] ¿¼Ñе÷¼Á +10 ºôºô£¿~+123456 2026-03-24 10/500 2026-03-27 11:46 by wangjy2002
[¿¼ÑÐ] 314Çóµ÷¼Á +3 ÏªÔÆçæ 2026-03-26 3/150 2026-03-27 11:20 by sanrepian
[˶²©¼ÒÔ°] ÕÐÊÕÉúÎïѧ/ϸ°ûÉúÎïѧµ÷¼Á +3 IceGuo 2026-03-26 4/200 2026-03-27 05:35 by user003
[¿¼ÑÐ] 085602 289·ÖÇóµ÷¼Á +8 WWWÎ÷Î÷¸¥Ë¹ 2026-03-24 8/400 2026-03-26 16:33 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] 285Çóµ÷¼Á +3 AZMK 2026-03-24 3/150 2026-03-25 12:23 by userper
[Óлú½»Á÷] ÓлúºÏ³ÉÇóÖú 20+3 FENGSHUJEI 2026-03-23 5/250 2026-03-24 19:31 by 88817753
[¿¼ÑÐ] Ò»Ö¾Ô¸ÄϺ½²ÄÁÏר317·ÖÇóµ÷¼Á +5 ըѽըѽըÊíÌõ 2026-03-23 5/250 2026-03-24 16:52 by ÐÇ¿ÕÐÇÔÂ
[¿¼ÑÐ] 080500Çóµ÷¼Á +3 zzzzfan 2026-03-24 3/150 2026-03-24 16:38 by barlinike
[ÂÛÎÄͶ¸å] ¼±·¢ºËÐÄÆÚ¿¯ÂÛÎÄ +3 ÏÍ´ïÎʽò 2026-03-23 5/250 2026-03-23 17:13 by ÃÃ×Ó²»ºÃÈÇ
[¿¼ÑÐ] ÇóÀÏʦÊÕÎÒ +3 zzh16938784 2026-03-23 3/150 2026-03-23 12:56 by ztnimte
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û