日韩欧美国产极速不卡一区,国产手机视频在线观看尤物,国产亚洲欧美日韩蜜芽一区,亚洲精品国产免费,亚洲二区三区无码中文,A大片亚洲AV无码一区二区三区,日韩国语国产无码123

鎮ㄥソ锛屾杩庝締(l谩i)鍒扮董搴�(k霉)闆诲瓙甯傚牬(ch菐ng)缍�(w菐ng) 鐧婚寗 | 鍏嶈不(f猫i)娉ㄥ唺(c猫)

FDMA
闁辫畝锛�18254鏅�(sh铆)闁擄細2010-11-24 15:21:32

銆�銆�鏁�(sh霉)鎿�(j霉)閫氫俊涓殑涓�绋妧琛�(sh霉)锛屽嵆涓嶅悓鐨勭敤鎴跺垎閰嶅湪鏅�(sh铆)闅欑浉鍚岃�岄牷鐜囦笉鍚岀殑淇￠亾涓�銆傛寜鐓ч�欑ó鎶�琛�(sh霉)锛屾妸鍦ㄩ牷鍒嗗璺偝杓哥郴绲�(t菕ng)涓泦涓帶鍒剁殑闋绘鏍规摎(j霉)瑕佹眰鍒嗛厤绲︾敤鎴�銆�

姒傝堪

銆�銆�FDMA鏄暩(sh霉)鎿�(j霉)閫氫俊涓殑涓�绋妧琛�(sh霉)锛屽嵆涓嶅悓鐨勭敤鎴跺垎閰嶅湪鏅�(sh铆)闅欑浉鍚岃�岄牷鐜囦笉鍚岀殑淇￠亾涓�銆傛寜 鐓ч�欑ó鎶�琛�(sh霉)锛屾妸鍦ㄩ牷鍒嗗璺偝杓哥郴绲�(t菕ng)涓泦涓帶鍒剁殑闋绘鏍规摎(j霉)瑕佹眰鍒嗛厤绲︾敤鎴�銆傚悓鍥哄畾鍒� 閰嶇郴绲�(t菕ng)鐩告瘮锛岄牷鍒嗗鍧�浣块�氶亾瀹归噺鍙牴鎿�(j霉)瑕佹眰鍕�(d貌ng)鎱�(t脿i)鍦伴��(j矛n)琛屼氦鎻�銆�

鍘熺悊

銆�銆�FDMA鏄暩(sh霉)鎿�(j霉)閫氫俊涓殑涓�绋妧琛�(sh霉)锛屽嵆涓嶅悓鐨勭敤鎴跺垎閰嶅湪鏅�(sh铆)闅欑浉鍚岃�岄牷鐜囦笉鍚岀殑淇￠亾涓娿�傛寜鐓ч�欑ó鎶�琛�(sh霉)锛屾妸鍦ㄩ牷鍒嗗璺偝杓哥郴绲�(t菕ng)涓泦涓帶鍒剁殑闋绘鏍规摎(j霉)瑕佹眰鍒嗛厤绲︾敤鎴躲�傚悓鍥哄畾鍒嗛厤绯荤当(t菕ng)鐩告瘮锛岄牷鍒嗗鍧�浣块�氶亾瀹归噺鍙牴鎿�(j霉)瑕佹眰鍕�(d貌ng)鎱�(t脿i)鍦伴��(j矛n)琛屼氦鎻�銆�

銆�銆�鍦‵DMA绯荤当(t菕ng)涓�锛屽垎閰嶇郸鐢ㄦ埗涓�鍊�(g猫)淇￠亾锛屽嵆涓�灏�(du矛)闋昏瓬锛屼竴鍊�(g猫)闋昏瓬鐢ㄤ綔鍓嶅悜淇￠亾鍗冲熀绔欏悜绉诲嫊(d貌ng)鑷�(t谩i)鏂瑰悜鐨勪俊閬擄紝鍙︿竴鍊�(g猫)鍓囩敤浣滃弽鍚戜俊閬撳嵆绉诲嫊(d貌ng)鑷�(t谩i)鍚戝熀绔欐柟鍚戠殑淇￠亾銆傞�欑ó閫氫俊绯荤当(t菕ng)鐨勫熀绔欏繀闋堝悓鏅�(sh铆)鐧�(f膩)灏勫拰鎺ユ敹澶氬��(g猫)涓嶅悓闋荤巼鐨勪俊铏�(h脿o)锛屼换鎰忓叐鍊�(g猫)绉诲嫊(d貌ng)鐢ㄦ埗涔嬮枔閫�(j矛n)琛岄�氫俊閮藉繀闋堢稉(j墨ng)閬�(gu貌)鍩虹珯鐨勪腑杞�(zhu菐n)锛屽洜鑰屽繀闋堝悓鏅�(sh铆)鍗犵敤2鍊�(g猫)淇￠亾(2灏�(du矛)闋昏瓬)鎵嶈兘瀵�(sh铆)鐝�(xi脿n)闆欏伐閫氫俊銆�

銆�銆�浠ュ線鐨勬ā鎿�氫俊绯荤当(t菕ng)涓�寰嬮噰鐢‵DMA銆傞牷鍒嗗鍧�(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�銆傞牷鍒嗗鍧�鏄妸閫氫俊绯荤当(t菕ng)鐨勭附闋绘鍔冨垎鎴愯嫢骞插��(g猫)绛夐枔闅旂殑闋婚亾(涔熺ū淇￠亾)鍒嗛厤绲︿笉鍚岀殑鐢ㄦ埗浣跨敤銆傞�欎簺闋婚亾浜掍笉鐤�锛屽叾瀵害鎳�(y墨ng)鑳藉偝杓镐竴璺暩(sh霉)瀛楄┍闊充俊鎭紝鑰屽湪鐩搁劙闋婚亾涔嬮枔鐒�(w煤)鏄庨’鐨勪覆?d膩ng)_銆�

銆乀DMA鍜孋DMA鐨勫崁(q奴)鍒�

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�銆傛檪(sh铆)鍒嗗鍧�(TDMA)鏄噰鐢ㄦ檪(sh铆)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�(sh铆)闁撳垎閰嶇郸涓嶅悓鐨勭敤鎴�銆傚GSM銆丏AMPS绛�銆侰DMA(纰煎垎澶氬潃)鏄噰鐢ㄦ摯(ku貌)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�(sh铆)闁�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�(d貌ng)閫氫俊缍�(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�锛涘湪瑭遍煶璩�(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�(w煤)杌熷垏鎻涘姛鑳�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(gu贸)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�(d貌ng)閫氫俊鐨勭劇(w煤)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�(d貌ng)閫氫俊缍�(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(gu贸)闅涙极娓哥瓑銆�

FDMA鐩搁棞(gu膩n)鎶�琛�(sh霉)璩囨枡鏇村>>

缍韩(k霉)闆诲瓙閫�锛岄浕瀛愮煡璀�(sh铆)锛屼竴鏌ョ櫨閫�锛�

宸叉敹閷勮姊�162029鍊�(g猫)