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( fig.3 RAKE receiver¥Ü·N¹Ï)
·í°T¸¹¸g¹LDSSS®iÀW«áªºÀW¼e·|Åܱo¸û¼e¡A«H¸¹ÀW¼eY¤j©ó³q¹Dªº¦P½ÕÀW¼e¡]coherent bandwidth¡^®É¡A«H¸¹¦b¸g¹LµL½u³q¹D®É·|¾D¨üÀW²v¿ï¾Ü©Ê°I´î¡]frequency selective fading¡^ªº°ÝÃD¡C ¦pªG¦b²¾°ÊµL½u¹qÀW¹D¤Ï®gªi©µ¿ð¤F¤@¤p¬q®É¶¡©è¹F¡ADSSS¦³¯S®íªº¯S©Ê¨Ï¨ä¤£©ö¦h«¸ô®|±µ¦¬¡A¦b±µ¦¬ºÝ¬°¤F§JªA«H¸¹¥¢¯u«h¥²¶·§Q¥Î¤ñ¸û½ÆÂøªºRAKE receiver¨Ó¦¬¶°¨CÓ¸ô®|ªº«H¸¹¡A¤~¯à§JªA¦h«¸ô®|¡]multipath¡^ªº¼vÅT¡C
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( fig.4 RAKE receiver¬[ºc¹Ï)
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( fig.5 RAKE receiver multipath fading channel¼ÒÀÀ¥Ü·N¹Ï)
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