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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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costumes and other props of wandering professional operatic troupes
costumes and paraphernalia of an opera troupe in Yangzhou with a salt merchant as the manager
Costumes and Props of Kunju Opera
Costumes and Props of Peking Opera
costumes for music, dance and acrobatics performance
costumes for Qinqiang opera of Xijiaojiang Village, Hu County
costumes for Yueju opera
costume shape design
costume size design
Costumes of Han Dynasty
costume style
costume style design
costume style drawing
costume TV drama
costume virtual reality design
costus family
cost-utility analysis of health service
cost vector
CO
2
相变致裂
CO
2
驱动
cosurfactant
COSY
cosy
cosymmedian triangle
cosymplectic tensor
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