“成对载波多址”的概念、定义、翻译、参考文献-科学参考

单词	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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