CDMA是什么意思？
cdma
释义：
abbr. 分码多重进接，码分多址（Code Division Multiple Access）
双语例句：
Its breakthrough product was a wireless station that could run severalcommunications technologies, such as GSM or CDMA, more efficiently than its competitors' units.
它的创新产品是一个无线基站，该基站能兼容数种通信技术，例如GSM和CDMA，比竞争者的产品效率高。
绛旓細CDMA鏄爜鍒嗗鍧鐨勮嫳鏂囩缉鍐(Code Division Multiple Access)鍏堣繘鐨勬棤绾块氫俊鎶鏈紝鍘熶负鍐涙柟閫氫俊鎵寮鍙戯紝鐜颁粖宸插箍娉涘簲鐢ㄥ埌鍏ㄧ悆姘戠敤閫氫俊涓侰DMA 灏嗚瘽闊宠浆鎹负鏁板瓧淇″彿,缁欐瘡涓暟瀛楄瘽闊冲垎缁勫鍔犱竴涓湴鍧,杩涜鎵扮爜澶勭悊,骞朵笖灏嗗畠鍙戝皠鍒扮┖涓.CDMA鏈澶х殑浼樼偣灏辨槸鐩稿悓鐨勫甫瀹戒笅鍙互瀹圭撼鏇村鐨勫懠鍙.鑰屼笖瀹冭繕鍙互闅忚瘽闊充紶閫...
绛旓細CDMA鏄寚涓绉嶆墿棰戝鍧鏁板瓧寮忛氫俊鎶鏈锛岄氳繃鐙壒鐨勪唬鐮佸簭鍒楀缓绔嬩俊閬擄紝鍙敤浜庝簩浠ｅ拰涓変唬鏃犵嚎閫氫俊涓殑浠讳綍涓绉嶅崗璁侰DMA鏄竴绉嶅璺柟寮忥紝澶氳矾淇″彿鍙崰鐢ㄤ竴鏉′俊閬擄紝鏋佸ぇ鎻愰珮甯﹀浣跨敤鐜囷紝搴旂敤浜800MHz鍜1.9GHz鐨勮秴楂橀(UHF)绉诲姩鐢佃瘽绯荤粺銆侰DMA浣跨敤甯︽墿棰戞妧鏈殑妯-鏁拌浆鎹(ADC)锛岃緭鍏ラ煶棰戦鍏堟暟瀛楀寲涓轰簩杩涘埗...
绛旓細CDMA鎵嬫満鍗℃槸涓浗鐢典俊鎵嬫満鍗锛屼娇鐢ㄧ殑鏄腑鍥界數淇DMA缃戠粶锛孋DMA鏄湪鏁板瓧鎶鏈殑鍒嗘敮--鎵╅閫氫俊鎶鏈笂鍙戝睍璧锋潵鐨勪竴绉嶅喘鏂拌屾垚鐔熺殑鏃犵嚎閫氫俊鎶鏈CDMA鎶鏈殑鍘熺悊鏄熀浜庢墿棰戞妧鏈锛屽嵆灏嗛渶浼犻佺殑鍏锋湁涓瀹氫俊鍙峰甫瀹戒俊鎭暟鎹紝鐢ㄤ竴涓甫瀹借繙澶т簬淇″彿甯﹀鐨勯珮閫熶吉闅忔満鐮佽繘琛岃皟鍒讹紝浣垮師鏁版嵁淇″彿鐨勫甫瀹借鎵╁睍锛屽啀缁忚浇娉㈣皟鍒跺苟...
绛旓細CDMA涓鑸寚鐮佸垎澶氬潃锛岀爜鍒嗗鍧鏄寚鍒╃敤鐮佸簭鍒楃浉鍏虫у疄鐜扮殑澶氬潃閫氫俊銆傜爜鍒嗗鍧(CDMA)鐨勫熀鏈濇兂鏄潬涓嶅悓鐨勫湴鍧鐮佹潵鍖哄垎鐨勫湴鍧銆傛瘡涓厤鏈変笉鍚岀殑鍦板潃鐮侊紝鐢ㄦ埛鎵鍙戝皠鐨勮浇娉(涓哄悓涓杞芥尝)鏃㈠彈鍩哄甫鏁板瓧淇″彿璋冨埗锛屽張鍙楀湴鍧鐮佽皟鍒讹紝鎺ユ敹鏃讹紝鍙湁纭煡鍏堕厤缁欏湴鍧鐮佺殑鎺ユ敹鏈猴紝鎵嶈兘瑙ｈ皟鍑虹浉搴旂殑鍩哄甫淇″彿锛岃屽叾浠...
绛旓細CDMA (Code Division Multiple Access) 鍙堢О鐮佸垎澶氬潃锛屾槸鍦ㄦ棤绾块氳涓婁娇鐢ㄧ殑鎶鏈锛孋DMA 鍏佽鎵鏈夌殑浣跨敤鑰呭悓鏃朵娇鐢ㄥ叏閮ㄩ甯(1.2288Mhz)锛屽苟涓旀妸鍏朵粬浣跨敤鑰呭彂鍑虹殑璁彿瑙嗕负鏉傝锛屽畬鍏ㄤ笉蹇呰冭檻鍒拌鍙风鎾 (collision) 鐨勯棶棰樸 CDMA鐨勪紭鐐瑰寘鎷細 CDMA涓墍鎻愪緵鐨勮闊崇紪鐮佹妧鏈紝鍏堕氳瘽鍝佽川姣旂洰鍓嶇殑GSM濂斤紝鑰屼笖...
绛旓細cdma 閲婁箟锛歛bbr. 鍒嗙爜澶氶噸杩涙帴锛鐮佸垎澶氬潃锛圕ode Division Multiple Access锛夊弻璇緥鍙ワ細Its breakthrough product was a wireless station that could run severalcommunications technologies, such as GSM or CDMA, more efficiently than its competitors' units.瀹冪殑鍒涙柊浜у搧鏄竴涓棤绾垮熀绔欙紝璇ュ熀绔欒兘...
绛旓細CDMA鏄鐮佸垎澶氬潃鈥濇暟瀛楁棤绾块氫俊鎶鏈殑鑻辨枃缂╁啓锛圕ode Division Multiple Access锛夛紝瀹冩槸鍦ㄦ暟瀛楁妧鏈殑鍒嗘敮鈥旀墿棰戦氫俊鎶鏈笂鍙戝睍璧锋潵鐨勪竴绉嶅喘鏂扮殑鏃犵嚎閫氫俊鎶鏈傛渶鍒濆湪鍐涗簨鎶楀共鎵伴氫俊涓簲鐢紝鐜板凡缁忓湪鍖楃編娲层佸崡缇庢床銆佹娲层佷簹娲层侀潪娲层佸ぇ娲嬫床寰楀埌骞挎硾鎺ㄥ箍搴旂敤锛屽叾涓瑿DMA宸茬粡鎴愪负缇庡浗绉诲姩閫氫俊鍏徃鐨勯閫夛紝闊╁浗...
绛旓細CDMA鏄爜鍒嗗鍧鐨勮嫳鏂囩缉鍐锛圕odeDivisionMultipulAccess锛夛紝瀹冩槸鍦ㄦ暟瀛楁妧鏈殑鍒嗘敮锛嶆墿棰戦氫俊鎶鏈笂鍙戝睍璧锋潵鐨勪竴绉嶅喘鏂拌屾垚鐔熺殑鏃犵嚎閫氫俊鎶鏈
绛旓細杩欎釜璇嶆槸CodeDivisionMultipleAccess鐨勭缉鍐欙紝涓枃鎰忔濇槸鐮佸垎澶氬潃銆傝繖鏄竴绉嶄俊閬撳鐢ㄦ妧鏈紝鍏佽姣忎釜鐢ㄦ埛鍦ㄥ悓涓鏃跺埢鍚屼竴淇￠亾涓婁娇鐢ㄥ悓涓棰戝甫杩涜閫氫俊銆侰DMA鎶鏈渶鏃╃敤浜庡啗鐢ㄩ氫俊锛屼絾鐜板湪宸插箍娉涘簲鐢ㄥ埌鍏ㄧ悆涓嶅悓鐨勬皯鐢ㄩ氫俊涓侰DMA鎶鏈殑涓昏浼樼偣鏄湪鐩稿悓鐨勫甫瀹戒笅鍙互瀹圭撼鏇村鐨勫懠鍙紝鑰屼笖杩樺彲浠ラ殢璇煶浼犻佹暟鎹俊鎭傚湪...
绛旓細CDMA鏄寚鐮佸垎澶氬潃锛屽睘浜庨潤鎬佸垝鍒嗕俊閬撱傜爜鍒嗗鍧鐨勫熀鏈濇兂鏄潬涓嶅悓鐨勫湴鍧鐮佹潵鍖哄垎鐨勫湴鍧銆傛瘡涓厤鏈変笉鍚岀殑鍦板潃鐮侊紝鐢ㄦ埛鎵鍙戝皠鐨勮浇娉负鍚屼竴杞芥尝鏃㈠彈鍩哄甫鏁板瓧淇″彿璋冨埗锛屽張鍙楀湴鍧鐮佽皟鍒躲傛帴鏀舵椂锛屽彧鏈夌‘鐭ュ叾閰嶇粰鍦板潃鐮佺殑鎺ユ敹鏈猴紝鎵嶈兘瑙ｈ皟鍑虹浉搴旂殑鍩哄甫淇″彿锛岃屽叾浠栨帴鏀舵満鍥犲湴鍧鐮佷笉鍚岋紝鏃犳硶瑙ｈ皟鍑轰俊鍙枫傚垝鍒...
