×÷Õߣºµç×ÓÆ½Ì¨³Ó À´Ô´£ºhttp://www.zh-cheng.com ·¢²¼Ê±¼ä£º2017-08-18 14:03 ä¯ÀÀÁ¿£º
µç×ÓÆ½Ì¨³Ó´«¸ÐÆ÷Êǵç×ÓÆ½Ì¨³ÓÄÜ·ñ***³ÆÖصľö¶¨ÐÔ´æÔÚ¡£Òò¶øÐèҪʱ³£È¥¼ì²âµç×ÓÆ½Ì¨³Ó´«¸ÐÆ÷µÄºÃ»µ¡£²»¹ýºÜ¶àÓû§¶Ôµç×ÓÆ½Ì¨³Ó´«¸ÐÆ÷¹ÊÕÏ×Լ첻ÊǺÜÇå³þ£¬Îª´Ë£¬Ð¡±àÏêϸΪ´ó¼ÒÕûÀíÁ˹ØÓÚµç×ÓÆ½Ì¨³Ó´«¸ÐÆ÷¹ÊÕÏ×Ô¼ìµÄ²Ù×÷²½Ö裬Çë¿´ÏÂÎÄ£»
µç×ÓÆ½Ì¨³Ó´«¸ÐÆ÷×öΪһÖÖ³ÆÖØÉè±¸Ëæ×ÅÆäÉú²ú³É±¾µÄ½µµÍ£¬¼Û¸ñÒ²ËæÖ®Ô½À´Ô½µÍ£¬Òò´Ëµç×ÓÆ½Ì¨³Ó´«¸ÐÆ÷ÒѾÈÕ½¥ÆÕ¼°µ½¸÷¸öÐÐÒµÖÐÈ¥£¬ÎªÔ½À´Ô½¶àµÄÈËËùÊìϤ¡£µç×ÓÆ½Ì¨³Ó´«¸ÐÆ÷²úÆ·ÊôÓÚÒ»ÖÖÏà¶Ô½ÏΪÄÍÓõIJúÆ·£¬Æä²¿¼þÖеijǪ́***³£Çé¿öÏ¿ÉÒÔʹÓÃÊýÄê²»***Ë𻵣¬µ«Êǵç×ÓÆ½Ì¨³Ó´«¸ÐÆ÷±¾ÉíÒ²***ÓÐһЩ±¡Èõ»·½Ú£¬Èçµç×ÓÅä¼þ²¿·Ö£¬ÒòΪÆäÖеĵç×ÓÔªÆ÷¼þ±È½ÏÈÝÒ×Êܵ½Ç¿µçÁ÷¡¢Ç¿´Å³¡µÄ¸ÉÈÅ£¬ËùÒԱȽÏÈÝÒ×Ë𻵡£ÔÚ´ËÎÒ¸ø´ó¼Ò½éÉܵç×ÓÆ½Ì¨³Ó´«¸ÐÆ÷µÄµç×ÓÅä¼þµÄ´«¸ÐÆ÷µÄ¹ÊÕϼì²â·½·¨¡£
²éÕÒ´«¸ÐÆ÷¹ÊÕϲ½ÖèÈçÏ£º
a£®ÔÚµç×ÓÆ½Ì¨³Ó´«¸ÐÆ÷½ÓÏߺÐÄÚÓÃÍòÓñí¼ì²é¼¤ÀøµçÔ´***£¨E+£©ºÍ¼¤ÀøµçÔ´¸º£¨E-£©¼äµç×èÖµ£¬Æä×èÖµ´óԼΪ780Ω/´«¸ÐÆ÷Êý¡£
b£®Öð´Î¶Ï¿ªµç×ÓÆ½Ì¨³Ó´«¸ÐÆ÷£¬ÓÃaµÄ·½·¨²âÁ¿***¸º¼¤Àø¶Ë»ò***¸ºÊä³ö¶Ë¼äµÄ×迹ֵ£¬¿´ÓëºÏ¸ñÖ¤µÄ×èÖµÊÇ·ñÏà·û£¬²é³öË𻵵ĵç×ÓÆ½Ì¨³Ó´«¸ÐÆ÷¡£µ±È»£¬Ò²¿É°´ÏÂÒ»²½²éÕÒ¡£
c£®½«1/£¨n-1£©***³ÓÁ¿µÄíÀÂëÒÀ´Î·ÅÔÚµç×ÓÆ½Ì¨³Ó´«¸ÐÆ÷³Ǫ́µÄ¸÷¸ö³ÐÖØµãÉÏ£¬Èç¹û·¢ÏÖÄĸö³ÐÖØµãµÄÊ***µ²»***È·£¬Ôò±íÃ÷¸Ã´¦µÄ´«¸ÐÆ÷ÓÐÎÊÌ⣬Ӧ½øÐиü»»¡£
×¢£ºnΪµç×ÓÆ½Ì¨³Ó´«¸ÐÆ÷¸öÊý¡£
±¾ÎÄÓÉÉϺ£Öýºâµç×ӿƼ¼ÓÐÏÞ¹«***ÕûÀíÌṩ£¬¸Ðл´ó¼ÒÒ»Ö±ÒÔÀ´µÄÖ§³Ö¡£Èô¶Ôµç×ÓÆ½Ì¨³Ó»¹ÓÐÆäËüÒÉÎÊ£¬»¶ÓÖµçÎÒ***×Éѯ£¬ÎÒÃÇÒ»¶¨ÎªÄúÅÅÓǽâÄÑ¡£