请输入您要查询的字词:
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。
随便看
original text
Original theory of Chinese economy
original time
original triangle
original video of Japan's Surrender to China
original water
Origin and Development of Chinese Literature
Origin and Development of Manchus
origin and evolution of solar system
origin and formation of Chinese opera
origin and propagation of cosmic rays
origin area of invasive species
origination
origin center of grass germplasm
Origin Center of World Cultivated Crops
origin centre
origin data authentication
origin moment
origin of agriculture
origin of a vector
origin of C4 plants
origin of civilization
origin of coal
origin of coordinates
origin of dry-land agriculture
科学参考收录了854744条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2026/6/29 15:27:28