ÌâÄ¿ÄÚÈÝ
½«µ¼Ìå·ÅÔÚÑØx·½ÏòµÄÔÈÇ¿´Å³¡ÖУ¬µ¼ÌåÖÐͨÓÐÑØy·½ÏòµÄµçÁ÷ʱ£¬ÔÚµ¼ÌåµÄÉÏÏÂÁ½²àÃæ¼ä»á³öÏÖµçÊƲÕâ¸öÏÖÏó³ÆΪ»ô¶ûЧӦ£®ÀûÓûô¶ûЧӦµÄÔÀí¿ÉÒÔÖÆÔì´ÅÇ¿¼Æ£¬²âÁ¿´Å³¡µÄ´Å¸ÐӦǿ¶È£®
´ÅÇ¿¼ÆµÄÔÀíÈçͼËùʾ£¬µç·ÖÐÓÐÒ»¶Î½ðÊôµ¼Ì壬ËüµÄºá½ØÃæΪ±ß³¤µÈÓÚaµÄÕý·½ÐΣ¬·ÅÔÚÑØxÕý·½ÏòµÄÔÈÇ¿´Å³¡ÖУ¬µ¼ÌåÖÐͨÓÐÑØy·½Ïò¡¢µçÁ÷Ç¿¶ÈΪIµÄµçÁ÷£¬ÒÑÖª½ðÊôµ¼Ì嵥λÌå»ýÖеÄ×ÔÓɵç×ÓÊýΪn£¬µç×ÓµçÁ¿Îªe£¬½ðÊôµ¼Ìåµ¼µç¹ý³ÌÖУ¬×ÔÓɵç×ÓËù×öµÄ¶¨ÏòÒƶ¯¿ÉÒÔÈÏΪÊÇÔÈËÙÔ˶¯£¬²â³öµ¼ÌåÉÏÏÂÁ½²àÃæ¼äµÄµçÊƲîΪU£®Çó£º
£¨1£©µ¼ÌåÉÏ¡¢Ï²àÃæÄǸöµçÊƽϸߣ¿
£¨2£©´Å³¡µÄ´Å¸ÐӦǿ¶ÈÊǶàÉÙ£¿
´ÅÇ¿¼ÆµÄÔÀíÈçͼËùʾ£¬µç·ÖÐÓÐÒ»¶Î½ðÊôµ¼Ì壬ËüµÄºá½ØÃæΪ±ß³¤µÈÓÚaµÄÕý·½ÐΣ¬·ÅÔÚÑØxÕý·½ÏòµÄÔÈÇ¿´Å³¡ÖУ¬µ¼ÌåÖÐͨÓÐÑØy·½Ïò¡¢µçÁ÷Ç¿¶ÈΪIµÄµçÁ÷£¬ÒÑÖª½ðÊôµ¼Ì嵥λÌå»ýÖеÄ×ÔÓɵç×ÓÊýΪn£¬µç×ÓµçÁ¿Îªe£¬½ðÊôµ¼Ìåµ¼µç¹ý³ÌÖУ¬×ÔÓɵç×ÓËù×öµÄ¶¨ÏòÒƶ¯¿ÉÒÔÈÏΪÊÇÔÈËÙÔ˶¯£¬²â³öµ¼ÌåÉÏÏÂÁ½²àÃæ¼äµÄµçÊƲîΪU£®Çó£º
£¨1£©µ¼ÌåÉÏ¡¢Ï²àÃæÄǸöµçÊƽϸߣ¿
£¨2£©´Å³¡µÄ´Å¸ÐӦǿ¶ÈÊǶàÉÙ£¿
£¨1£©¸ù¾Ý×óÊÖ¶¨ÔòÖª£¬µç×ÓÏòϲàƫת£¬Ôòµ¼ÌåϱíÃæµçÊƽϵͣ¬ÉϲàµçÊƸߣ®
£¨2£©×ÔÓɵç×Ó×ö¶¨ÏòÒƶ¯£¬ÊÓΪÔÈËÙÔ˶¯£¬ËÙ¶ÈÉèΪv£¬ÓÐI=nea2v
µç×ÓÊܵ糡Á¦ºÍÂåÂ××ÈÁ¦Æ½ºâ£¬ÓÐe
=Bev
½âµÃB=
£®
´ð£º£¨1£©ÉϲàµçÊƸߣ®
£¨2£©´Å³¡µÄ´Å¸ÐӦǿ¶ÈÊÇ
£®
£¨2£©×ÔÓɵç×Ó×ö¶¨ÏòÒƶ¯£¬ÊÓΪÔÈËÙÔ˶¯£¬ËÙ¶ÈÉèΪv£¬ÓÐI=nea2v
µç×ÓÊܵ糡Á¦ºÍÂåÂ××ÈÁ¦Æ½ºâ£¬ÓÐe
U |
a |
½âµÃB=
neaU |
I |
´ð£º£¨1£©ÉϲàµçÊƸߣ®
£¨2£©´Å³¡µÄ´Å¸ÐӦǿ¶ÈÊÇ
neaU |
I |
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿