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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。
随便看
loss of circulation
loss of contrast
loss of coolant accident
loss of excitation
loss of genetic diversity of aquatic animals
loss of heterozygosity
loss of information
loss of light
loss of load probability method
loss of prestress
loss of situational awareness
loss of vitality
loss of voice
loss of wrong decision
loss on drying test for pharmaceutical
loss parameter
loss prevention
loss probability
loss queueing system
loss rate
loss ratio
loss reduction
loss system
loss tangent
lossy cavity
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