ÎÊÌâÒÑ¿ªÆô
(ÆÕͨÎÊÌâ)
dbi,dbd ,ÓÃ×Ô¼ºµÄÀí½â¸æËßÎÒ,лÀ
ÌáÎÊÕß: ÈýÄêÑô¹â ÌáÎÊʱ¼ä: 2013-03-15
¸ü¶à
dBi
Ïà¹ØÎÊÌâ
• »ªÎªAAU3240¸ßÔöÒæÌìÏߣ¬²ÎÊý15dBiÒâζ×Åʲô£¿ 2016-08-30
• È«ÏòÌìÏߺͶ¨ÏòÌìÏß×î¸ßÔöÒæÓжàÉÙdBi£¿ 2015-10-26
• dBiºÍdBdµÄÇø±ðÊÇʲô£¿ 2015-01-09
• dBi¡¢dBd¡¢dbm¡¢dbÕ⼸¸öÖ®¼äÓÐʲôÇø±ð£¿ 2014-08-10
• µ½µ×dBi=DBd+2.15»¹ÊÇdBi=DBd+2.17£¿ 2014-05-09
• Ò»°ã18dBiµÄ¸ßÔöÒæÌìÏߣ¬¸±°êÔöÒæÊǶàÉÙ 2014-03-24
• ÌìÏßÔöÒæÀdBiºÍdbdÄĸöÒª´ó 2013-05-25
• ΪʲôÁ´Â·Ô¤Ëã ÌìÏßÔöÒæ ¼ÓdBi ¶ø²»ÊÇDBD 2013-04-24
• È«ÏòÌìÏߺͶ¨ÏòÌìÏß×î¸ßÔöÒæÓжàÉÙdBi£¿ 2015-10-26
• dBiºÍdBdµÄÇø±ðÊÇʲô£¿ 2015-01-09
• dBi¡¢dBd¡¢dbm¡¢dbÕ⼸¸öÖ®¼äÓÐʲôÇø±ð£¿ 2014-08-10
• µ½µ×dBi=DBd+2.15»¹ÊÇdBi=DBd+2.17£¿ 2014-05-09
• Ò»°ã18dBiµÄ¸ßÔöÒæÌìÏߣ¬¸±°êÔöÒæÊǶàÉÙ 2014-03-24
• ÌìÏßÔöÒæÀdBiºÍdbdÄĸöÒª´ó 2013-05-25
• ΪʲôÁ´Â·Ô¤Ëã ÌìÏßÔöÒæ ¼ÓdBi ¶ø²»ÊÇDBD 2013-04-24
ÎÊÌâ´ð°¸
( 5 )
dbiºÍdbd¶¼¿ÉÒÔÓÃÀ´±íʾÌìÏßµÄÔöÒ棬ֻÊDzÎÕյ㵽²»Í¬°ÕÁË£¬dbiºÍdbdµÄÇø±ð¾ÍÔÚ×îºóÒ»¸ö×ÖĸiºÍd
dbiÊÇÏà¶ÔÀíÏëµãÔ´µÄµ¥Î»£¬ÆäÖеÄi¾Íisotropic£¬Òâ˼¾ÍÊǵãÔ´
dbdÊÇÏà¶Ô°ë²¨Õó×ӵĵ¥Î»£¬ÆäÖеÄd¾ÍÊÇdipole£¬Òâ˼¾ÍÊÇÕó×Ó
ËûÃÇÁ½¸öÊÇÓÐÒ»¶¨µÄ¹ØϵµÄ
X dbd=£¨X+2.15£© dbi
´ó¸Å¾ÍÊÇÕâ¸öÑù×Ó¡£¡£¡£¡£Ï£Íû¶ÔÄãÓеã°ïÖú¡¤¡¤¡¤
dbiÊÇÏà¶ÔÀíÏëµãÔ´µÄµ¥Î»£¬ÆäÖеÄi¾Íisotropic£¬Òâ˼¾ÍÊǵãÔ´
dbdÊÇÏà¶Ô°ë²¨Õó×ӵĵ¥Î»£¬ÆäÖеÄd¾ÍÊÇdipole£¬Òâ˼¾ÍÊÇÕó×Ó
ËûÃÇÁ½¸öÊÇÓÐÒ»¶¨µÄ¹ØϵµÄ
X dbd=£¨X+2.15£© dbi
´ó¸Å¾ÍÊÇÕâ¸öÑù×Ó¡£¡£¡£¡£Ï£Íû¶ÔÄãÓеã°ïÖú¡¤¡¤¡¤
»Ø´ðÕߣº
±ôÁÙOÃð¾ø
»Ø´ðʱ¼ä£º2013-03-15 20:15
11 5
dBiºÍdBdÊǹ¦ÂÊÔöÒæµÄµ¥Î»£¬Á½Õ߶¼ÊÇÏà¶ÔÖµ£¬µ«²Î¿¼»ù×¼²»Ò»Ñù¡£dBiµÄ²Î¿¼»ù׼Ϊȫ·½ÏòÐÔÌìÏߣ»dBdµÄ²Î¿¼»ù׼Ϊż¼«×Ó¡£Ò»°ãÈÏΪdBiºÍdBd±íʾͬһ¸öÔöÒ棬ÓÃdBi±íʾµÄÖµ±ÈÓÃdBd±íʾµÄÖµÒª´ó2.15 ,dBiºÍdBdÊÇ¿¼Õ÷ÔöÒæµÄÖµ(¹¦ÂÊÔöÒæ),Á½Õ߶¼ÊÇÒ»¸öÏà¶ÔÖµ,µ«²Î¿¼»ù×¼²»Ò»Ñù¡£dBiµÄ²Î¿¼»ù׼Ϊȫ·½ÏòÐÔÌìÏß,dBdµÄ²Î¿¼»ù׼Ϊż¼«×Ó
»Ø´ðÕߣº
xhy1331
»Ø´ðʱ¼ä£º2013-03-16 10:25
11 4
2Â¥µÄ¹«Ê½ÊǶԵģ¬1Â¥µÄ·´ÁË
»Ø´ðÕߣº
tangliangkkk
»Ø´ðʱ¼ä£º2013-03-16 13:05
9 6
dbiÊÇÏà¶ÔÓÚµãÔ´ÌìÏߣ¬Ò»°ãÓÃÓÚÔ²¼«»¯¼´È«ÏòÌìÏߣ¬dbdÊÇÏà¶ÔÓڰ벨Õñ×ÓÌìÏߣ¬Ò»°ãÓÃÓÚÏß¼«»¯¼´¶¨ÏòÌìÏß¡£Á½ÕߵĹØϵʽ£ºdbi=dbd+2.15
»Ø´ðÕߣº
zhangshiqin
»Ø´ðʱ¼ä£º2013-03-16 21:13
6 11
ѧϰÁË£¬£¬£¬
»Ø´ðÕߣº
zhengkainan
»Ø´ðʱ¼ä£º2013-03-17 22:05
6 6
ÈȵãÎÊÌâ
¸ü¶à¾«²Ê
ÁªÏµÎÒÃÇ - ÎÊͨÐÅר¼Ò | Powered by MSCBSC Òƶ¯Í¨ÐÅÍø © 2006 - |