ÎÊÌâÒÑ¿ªÆô
(ÆÕͨÎÊÌâ)
0dBµÄº¬ÒåÊÇʲô£¿BER¡¢ FERºÍ C/I ¾ù¿ÉÓÃÓÚ±íÕ÷ÎÞÏßÐźÅÖÊÁ¿µÄºÃ»µ£¬ÆäÖÐÎÄÃû³Æ·Ö±ðÊÇʲô£¿
RT
ÌáÎÊÕß: cm119 ÌáÎÊʱ¼ä: 2011-08-20
• ÎÞÏß»·¾³²»ºÃ,ÓÐÄÄЩÒòËØÓ°Ïì? 2011-05-06
• ½ô¼±ÇóÖú£ºÎÞÏßPOS»ú£¬¿ÉÒÔÇ©Ô¼³É¹¦£¬µ«ÊÇ´ò²»³ö»Øµ¥£¬Çó´¦Àí¾Ñ飿 2011-05-05
• Êýͨ¡¢ÎÞÏßÍøÓż°¹âÍøÂçÏà±È½ÏÄĸö·¢Õ¹¸üºÃЩ£¿Çë½Ì¸ßÈËÄܾßÌå˵˵Ïà¹ØµÄÐÅÏ¢!! 2011-05-04
• ¼±ÇóWÎÞÏßÍøÓÅ»ªÎª²úÆ·µÄ³õ¼¶¡¢Öм¶ÈÏÖ¤Ïà¹Ø×ÊÁϺÍÊÔÌ⣿£¿£¿ 2011-05-02
• ÎÞÏßÀûÓÃÂʹ«Ê½·ÖĸµÄ×ÜÒµÎñÐŵÀÊýÔõôËã 2011-04-29
• ÎÞÏßÀûÓÃÂʵĹ«Ê½£¬Ëã·¨£¿ 2011-04-25
• TDÖÐÎÞÏß½ÓÈë³ÐÔØ£¨RAB£©µÄ×÷Óã¬ËÄÜ°ïÎÒͨË×µãµÄ½âÊÍÏÂÂð 2011-04-23
• ÇëÎÊÔÚÄÄÀï¿ÉÒÔϵ½¼¼ÊõÌá°¸ ÈÏÖªÎÞÏߵ緽ÃæµÄ 2011-04-22
• ½ô¼±ÇóÖú£ºÎÞÏßPOS»ú£¬¿ÉÒÔÇ©Ô¼³É¹¦£¬µ«ÊÇ´ò²»³ö»Øµ¥£¬Çó´¦Àí¾Ñ飿 2011-05-05
• Êýͨ¡¢ÎÞÏßÍøÓż°¹âÍøÂçÏà±È½ÏÄĸö·¢Õ¹¸üºÃЩ£¿Çë½Ì¸ßÈËÄܾßÌå˵˵Ïà¹ØµÄÐÅÏ¢!! 2011-05-04
• ¼±ÇóWÎÞÏßÍøÓÅ»ªÎª²úÆ·µÄ³õ¼¶¡¢Öм¶ÈÏÖ¤Ïà¹Ø×ÊÁϺÍÊÔÌ⣿£¿£¿ 2011-05-02
• ÎÞÏßÀûÓÃÂʹ«Ê½·ÖĸµÄ×ÜÒµÎñÐŵÀÊýÔõôËã 2011-04-29
• ÎÞÏßÀûÓÃÂʵĹ«Ê½£¬Ëã·¨£¿ 2011-04-25
• TDÖÐÎÞÏß½ÓÈë³ÐÔØ£¨RAB£©µÄ×÷Óã¬ËÄÜ°ïÎÒͨË×µãµÄ½âÊÍÏÂÂð 2011-04-23
• ÇëÎÊÔÚÄÄÀï¿ÉÒÔϵ½¼¼ÊõÌá°¸ ÈÏÖªÎÞÏߵ緽ÃæµÄ 2011-04-22
ÎÊÌâ´ð°¸
( 3 )
0dbÒâ˼¾ÍÊÇËù±È½ÏµÄÁ½¸öÖµÏàµÈ 0db=10logx/x
BERÊÇbit error ratioÊÇ Îó±ÈÌØÂÊ GSMÓÃÀ´ºâÁ¿»°ÒôÖÊÁ¿
FERÊÇframe error ratio ÊÇÎóÖ¡ÂÊ
C/IÊÇÔز¨¹¦Âʺ͸ÉÈŹ¦ÂʵıÈÖµ
BERÊÇbit error ratioÊÇ Îó±ÈÌØÂÊ GSMÓÃÀ´ºâÁ¿»°ÒôÖÊÁ¿
FERÊÇframe error ratio ÊÇÎóÖ¡ÂÊ
C/IÊÇÔز¨¹¦Âʺ͸ÉÈŹ¦ÂʵıÈÖµ
»Ø´ðÕߣº
×£ÎÒºÜ˧
»Ø´ðʱ¼ä£º2011-08-20 12:06
23 21
¿´2Â¥µÄ»Ø´ð
»Ø´ðÕߣº
׿Խ¤Î¾«Áé
»Ø´ðʱ¼ä£º2011-08-20 15:22
22 18
2Â¥»ØÀ´µÄºÜÏêϸ
»Ø´ðÕߣº
18602310327
»Ø´ðʱ¼ä£º2011-08-21 17:56
21 18
ÈȵãÎÊÌâ
¸ü¶à¾«²Ê
ÁªÏµÎÒÃÇ - ÎÊͨÐÅר¼Ò | Powered by MSCBSC Òƶ¯Í¨ÐÅÍø © 2006 - |