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成对载波多址
释义
成对载波多址
Encyclopedia
工学
【现代通信信号处理技术】
释
paired carried multiple access,PCMA
成对载波多址
两个卫星终端采用同一个频点进行通信,通过卫星转发器透明转发后,下行链路是频域和时域重叠的混合信号,由于通信双方都存有自身所发送信号的样本,可以根据这些样本,利用信号的相关性对自身信号所经过的信道参数(时延、幅度、载波频率、相位)进行估计,以消除混合信号中自身信号的影响,并分离出另一个终端的数据进行解调,从而实现正常通信的技术。
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multiple functional display
multiple galaxy
multiple gamma-function
multiple Gaussian sum
multiple grating
multiple hot metal ladle process
multiple hydrogen bonding polymer
multiple hypergeometric distribution
multiple hypergraph
multiple hypotheses testing
multiple hypothesis test
multiple hypothesis testing
multiple imaging
Multiple imputation
multiple independently reentry vehicle
multiple independently targetable reentry vehicle
multiple induction
multiple inheritance
multiple-input and multiple-output technology
multiple-input multiple-output
multiple input multiple output channel
multiple-input multiple-output channel
multiple-input multiple-output channel capacity
multiple-input multiple-output detection
multiple-input multiple-output, MIMO
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更新时间:2026/8/29 5:11:54