forward link user 中文意思是什麼
forward link user
解釋
前向線路用戶-
The inter - link of tdrss contained forward link and return link. the forward link is the signal retransmitted from earth station to relay satellite, then transmitted the tt & c to the user aircraft
前向鏈路指地面站經數據中繼衛星轉發信號,向用戶航天器(包括成像偵察衛星、航天飛機與載人飛船等)發送跟蹤、遙測與控制指令。 -
Locating with cell _ id based on ms : this kind of system can be called ms - autonomous - locating system or forward - link locating system in gsm network. the locating process is the ms working out it ' s geometry location comparing with several base stations ( their location is fixed ) based on received signal from them, then calculating the location by some kind of algorithms. therefore the user of the ms could master himself ' s location information
基於移動臺的cell _ id定位:這類系統也稱為移動臺自定位系統,在蜂窩網路中也叫做前向鏈路定位系統。其定位過程是由移動臺根據接收到的多個已知位置發射機發射信號攜帶的某種與移動臺位置有關的特徵信息來確定其與各發射機之間的幾何位置關系,再根據有關演算法對其自身位置進行定位估計,由移動臺用戶掌握其自身的位置信息。
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