×Ô¶¯¼ì²â¼¼Êõ - ÂíÎ÷ÇØ - µÚÈý°æ - ϰÌâ´ð°¸(DOC)

¨´0=¨´£¨R1Z2- R2Z1£©/£¨R1+Z1£©£¨R2+Z2£©=¨´R£¨-2¦¤Z£©/£¨R+Z0+¦¤Z£©£¨R+ Z0-¦¤Z £©

=-2¨´R¦¤Z/[£¨R+Z0£©2 -£¨¦¤Z £©2 ]¡Ö-2¨´R¦¤Z/[£¨R+Z0£©

2

u0=-2uRj¦Ø¦¤L/£¨R+ j¦ØL0£©2

5.Èçͼ4-32ËùʾΪһ²î¶¯ÕûÁ÷µç·£¬ÊÔ·ÖÎöµç·µÄ¹¤×÷Ô­Àí¡£

aUbU0xVcT(4-32)d

ͼ4-32Ìâ5ͼ

µÚÎåÕ¡¢Ë¼¿¼ÌâÓëϰÌâ

1.Ϊʲô˵ѹµçʽ´«¸ÐÆ÷Ö»ÊÊÓÃÓÚ¶¯Ì¬²âÁ¿¶ø²»ÄÜÓÃÓÚ¾²Ì¬²âÁ¿?

2.ѹµçʽ´«¸ÐÆ÷²âÁ¿µç·µÄ×÷ÓÃÊÇʲô?ÆäºËÐÄÊǽâ¾öʲôÎÊÌâ?

3.һѹµçʽ´«¸ÐÆ÷µÄÁéÃô¶ÈK1 = 10pC/mPa £¬Á¬½ÓÁéÃô¶ÈK2=0.008V/pCµÄµçºÉ·Å´óÆ÷£¬ËùÓõıÊʽ¼Ç¼ÒǵÄÁéÃô¶È

K3=25mm/V£¬µ±Ñ¹Á¦±ä»¯¦¤p=8mPaʱ£¬¼Ç¼±ÊÔڼǼֽÉÏµÄÆ«ÒÆÎª¶àÉÙ?

½â£ºS=K1K2K3=10pC/mPa¡Á0.008V/pC¡Á25mm/V=2mm/mPa ¦¤x=S¡Á¦¤p=2mm/mPa¡Á8mPa=16mm

4.ij¼ÓËٶȼƵÄУ׼Õñ¶¯Ì¨£¬ËüÄÜ×÷50HzºÍ1gµÄÕñ¶¯£¬½ñÓÐѹµçʽ¼ÓËٶȼƳö³§Ê±±ê³öÁéÃô¶ÈK=10amV/g£¬ÓÉÓÚ²âÊÔÒªÇóÐè¼Ó³¤µ¼Ïߣ¬Òò´ËÒªÖØÐ±궨¼ÓËٶȼÆÁéÃô¶È£¬¼Ù¶¨ËùÓõÄ×迹±ä»»Æ÷·Å´ó±¶ÊýΪ1£¬µçѹ·Å´óÆ÷·Å´ó±¶ÊýΪ100£¬±ê¶¨Ê±¾§Ìå¹ÜºÁ·ü±íÉÏָʾΪ9.13V£¬ÊÔ»­³ö±ê¶¨ÏµÍ³µÄ¿òͼ£¬²¢¼ÆËã¼ÓËٶȼƵĵçѹÁéÃô¶È¡£

21

ÁªÏµ¿Í·þ£º779662525#qq.com(#Ìæ»»Îª@)