铁路行车分类向导闭塞行车制度(Pilot Block System)通讯闭塞行车制度(Communication Block System)牌券闭塞行车制度(Staff and Ticket Block System)电器路牌闭塞行车制度现代运输学...
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pilot and telephone block system 响导及电路行车制
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Second, channel estimation algorithms of two-hop OFDM cooperative communication system with single relay are discussed, which are mainly based on block pilot.
其次，讨论了两跳单中继多载波协同通信系统的信道估计的问题，主要是基于辅助块状导频的方法；
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