| ²é¿´: 960 | »Ø¸´: 3 | |||||
| µ±Ç°Ö÷ÌâÒѾ´æµµ¡£ | |||||
chinawormר¼Ò¹ËÎÊ (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 |
» ²ÂÄãϲ»¶
366Çóµ÷¼Á
ÒѾÓÐ11È˻ظ´
290Çóµ÷¼Á
ÒѾÓÐ23È˻ظ´
297£¬¹¤¿Æµ÷¼Á?
ÒѾÓÐ5È˻ظ´
290µ÷¼ÁÉúÎï0860
ÒѾÓÐ33È˻ظ´
һ־Ը³¶«´óѧ071000ÉúÎïѧѧ˶³õÊÔ·ÖÊý276Çóµ÷¼Á
ÒѾÓÐ28È˻ظ´
279ѧ˶ʳƷרҵÇóµ÷¼ÁԺУ
ÒѾÓÐ28È˻ظ´
071000ÉúÎïѧµ÷¼ÁÇóÖú
ÒѾÓÐ21È˻ظ´
279Çóµ÷¼Á
ÒѾÓÐ12È˻ظ´
µ÷¼Á
ÒѾÓÐ12È˻ظ´
271Çóµ÷¼Á
ÒѾÓÐ41È˻ظ´

sduzl
½ð³æ (СÓÐÃûÆø)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 580
- Ìû×Ó: 131
- ÔÚÏß: 5.1Сʱ
- ³æºÅ: 452695
- ×¢²á: 2007-11-05
- רҵ: ²ÄÁÏÎïÀíÓ뻯ѧ
|
¿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
chinaworm
ר¼Ò¹ËÎÊ (ÖªÃû×÷¼Ò)
-

ר¼Ò¾Ñé: +731 - Ó¦Öú: 419 (˶ʿ)
- ¹ó±ö: 0.099
- ½ð±Ò: 7658.1
- É¢½ð: 2746
- ºì»¨: 122
- Ìû×Ó: 5201
- ÔÚÏß: 551.7Сʱ
- ³æºÅ: 259426
- ×¢²á: 2006-06-11
- ÐÔ±ð: GG
- רҵ: ÎÞ»ú·Ç½ðÊôÀà¹âµçÐÅÏ¢Ó빦
- ¹ÜϽ: ÎÞ»ú·Ç½ðÊô

3Â¥2008-03-27 12:19:54
sduzl
½ð³æ (СÓÐÃûÆø)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 580
- Ìû×Ó: 131
- ÔÚÏß: 5.1Сʱ
- ³æºÅ: 452695
- ×¢²á: 2007-11-05
- רҵ: ²ÄÁÏÎïÀíÓ뻯ѧ
4Â¥2008-03-27 16:04:56














»Ø¸´´ËÂ¥