銆�銆�CDMA (Code Division Multiple Access)锛屽嵆纰煎垎澶氬潃鎶�琛�(sh霉)锛屾槸楂橀�氬湪閫欏�嬫縺鍕曚汉蹇冪殑鐒＄窔閫氳▕鐢�(ch菐n)鍝佸拰鏈嶅嫏(w霉)鐨勬柊鏅備唬鐜囧厛闁嬬櫦(f膩)鐨勩�佺敤浜庢彁渚涘崄鍒嗘竻鏅扮殑瑾為煶鏁堟灉鐨勬暩(sh霉)瀛楁妧琛�(sh霉)銆�
銆�銆�閫氶亷鍒╃敤鏁�(sh霉)瀛楃法纰�"鎿磋瓬"鐒＄窔闆婚牷鐜囨妧琛�(sh霉)锛孋DMA鑳藉鎻愪緵姣斿叾浠栫劇绶氭妧琛�(sh霉)鏇村ソ鐨�銆佹垚鏈洿浣庣殑瑾為煶鏁堟灉銆佷繚瀵嗘�с�佺郴绲�(t菕ng)瀹归噺鍜岄潏娲绘��锛屼互鍙婃洿鍔犲畬鍠勭殑鏈嶅嫏(w霉)锛屽鐭俊鎭�銆乪-mail銆佷笂缍�(w菐ng)绛夈��
銆�銆�CDMA缍�(w菐ng)鏄敱缇庡湅楂橀�氱櫦(f膩)灞曞嚭渚嗙殑鐒＄窔铚傜缍�(w菐ng)锛屾瘮GSM鏇翠匠浣跨敤闋荤巼銆傜編鍦嬮亱鐕熷晢Verizon锛孲print锛岀瓑棣栧厛閲囩敤锛屼絾闊撳湅鍗绘洿蹇娇鐢ㄦ洿鍏堥��(j矛n)鐨凜DMA 1X鍒跺紡銆傝伅(li谩n)閫氫簬2002骞撮枊濮嬬嚐閬嬩腑鍦嬩箣CDMA缍�(w菐ng)绲�(lu貌)銆�
銆�銆�鎵�璎傜殑鈥淕SM/CDMA闆欐ā鎵嬫鈥濆氨鏄寚鎵嬫鍙互鍚屾檪鏀寔GSM浠ュ強CDMA閫欏叐鍊嬬恫(w菐ng)绲�(lu貌)閫氫俊鎶�琛�(sh霉)锛屽畠鍙互鏍规摎(j霉)鐠�(hu谩n)澧冩垨鑰呮槸瀵﹂殯鎿嶄綔鐨勯渶瑕佷締寰炰腑鍋氬嚭閬告搰锛屽摢鍊嬬恫(w菐ng)绲�(lu貌)鎶�琛�(sh霉)鏇磋兘鐧�(f膩)鎻綔鐢�锛屽氨璁撴墜姗熷垏鎻涘埌鍝ó妯″紡涓嬪幓宸ヤ綔锛屽鏋滃湪涓�绋ā寮忎笅锛屾墜姗熼�氫俊璩�(zh矛)閲忎笉楂樻垨鑰呮槸鍑虹従(xi脿n)鍏朵粬涓嶈壇鐨勯�氫俊鐝�(xi脿n)璞�锛屽彲浠ヨ嚜鐢辫綁(zhu菐n)鍒板彟澶栦竴鍊嬬恫(w菐ng)绲�(lu貌)妯″紡涓婂伐浣�锛屽畠瀵﹂殯涓婂氨鏄摯澶т簡鎵嬫鐨勯�氳┍闋荤巼锛屽苟澶уぇ鎻愰珮閫氫俊鐨勭┅(w臎n)瀹氭�ц�屽凡銆�
銆�銆�闋诲垎澶氬潃(FDMA)鏄噰鐢ㄨ(di脿o)闋荤殑澶氬潃鎶�琛�(sh霉)銆傛キ(y猫)鍕�(w霉)淇￠亾鍦ㄤ笉鍚岀殑闋绘鍒嗛厤绲︿笉鍚岀殑鐢ㄦ埗銆傚TACS绯荤当(t菕ng)銆丄MPS绯荤当(t菕ng)绛夈��
銆�銆�鏅傚垎澶氬潃(TDMA)鏄噰鐢ㄦ檪鍒嗙殑澶氬潃鎶�琛�(sh霉)銆傛キ(y猫)鍕�(w霉)淇￠亾鍦ㄤ笉鍚岀殑鏅傞枔鍒嗛厤绲︿笉鍚岀殑鐢ㄦ埗銆傚GSM銆丏AMPS绛�銆�
銆�銆�CDMA(纰煎垎澶氬潃)鏄噰鐢ㄦ摯闋荤殑纰煎垎澶氬潃鎶�琛�(sh霉)銆傛墍鏈夌敤鎴跺湪鍚屼竴鏅傞枔銆佸悓涓�闋绘涓�锛屾牴鎿�(j霉)涓嶅悓鐨勭法纰肩嵅寰楁キ(y猫)鍕�(w霉)淇￠亾銆�
銆�銆�鐩墠鐨勬暩(sh霉)瀛楃Щ鍕曢�氫俊缍�(w菐ng)鐨勪富瑕佸鍧�鏂瑰紡鏄疐DMA銆乀DMA绯荤当(t菕ng)(GSM锛孌AMPS)銆傚湪闋昏瓬鏁堢巼涓婄磩鏄ā鎿郴绲�(t菕ng)鐨�3鍊�锛屽閲忔湁闄愶紱鍦ㄨ┍闊宠唱(zh矛)閲忎笂13kbit/s绶ㄧ⒓涔熷緢闆ｉ仈(d谩)鍒版湁绶氶浕瑭辨按骞�銆丗TDMA绯荤当(t菕ng)鐨勬キ(y猫)鍕�(w霉)缍滃悎鑳藉姏杓冮珮锛岃兘閫�(j矛n)琛屾暩(sh霉)鎿�(j霉)鍜岃┍闊崇殑缍滃悎锛屼絾绲傜鎺ュ叆閫熺巼鏈夐檺(9.6kbit/s TDMA绯荤当(t菕ng)鐒¤粺鍒囨彌鍔熻兘锛屽洜鑰屽鏄撴帀瑭�锛屽奖闊挎湇鍕�(w霉)璩�(zh矛)閲弞锛汿DMA绯荤当(t菕ng)鐨勫湅闅涙极娓稿崝(xi茅)璀伴倓鏈夊緟閫�(j矛n)涓�姝ョ殑瀹屽杽鍜岄枊鐧�(f膩)銆傚洜鑰孴DMA骞朵笉鏄従(xi脿n)浠ｈ渹绐╃Щ鍕曢�氫俊鐨勭劇绶氭帴鍏�锛岃�孋DMA纰煎垎澶氬潃鎶�琛�(sh霉)瀹屽叏閬╁悎鐝�(xi脿n)浠ｇЩ鍕曢�氫俊缍�(w菐ng)鎵�瑕佹眰鐨勫ぇ瀹归噺銆侀珮璩�(zh矛)閲�銆佺稖鍚堟キ(y猫)鍕�(w霉)銆佽粺鍒囨彌銆佸湅闅涙极娓哥瓑銆�
缍韩闆诲瓙閫氾紝闆诲瓙鐭ヨ瓨锛屼竴鏌ョ櫨閫�锛�
宸叉敹閷勮姊�155477鍊�
IC鍨嬭櫉绱㈠紩锛� A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 0 1 2 3 4 5 6 7 8 9
©2025 缍韩闆诲瓙甯傚牬缍�(w菐ng)锛坵ww.dzsc.com锛夈��缍�(j墨ng)鐕熻ū鍙瓑绶ㄨ櫉锛�娴橞2-20050339 鐗堟瑠(qu谩n)鑱叉槑
鍗佸叚骞村皥娉ㄦ墦閫犲劒(y艒u)璩�(zh矛)闆诲瓙鍏冨櫒浠堕噰璩肩恫(w菐ng)銆両C浜ゆ槗骞宠嚭銆�
璨峰鏈嶅嫏(w霉)鐔辩窔锛�0571-85317666 | 璨峰鏈嶅嫏(w霉)閮≦Q锛�
璩ｅ鏈嶅嫏(w霉)鐔辩窔锛�0571-85317586 | 璩ｅ鏈嶅嫏(w霉)閮≦Q锛�
