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paired carried multiple access,PCMA
释义
paired carried multiple access,PCMA
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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analysis of operation results of information system
analysis of organic acid
analysis of organizational communication change force field
analysis of organizational communication effect
analysis of original organism in body fluid
analysis of peptide drugs
analysis of Persistent Organic Pollutants
analysis of pesticide residue
analysis of pharmaceutical excipients
analysis of pharmaceutical packaging materials
analysis of pharmaceutical packaging materials made of glass or ceramics
analysis of pharmaceutical packaging materials made of laminated materials
analysis of pharmaceutical packaging materials made of plastic
analysis of pharmaceutical packaging materials made of rubber
analysis of polar organic pollutants
analysis of pollution sources
analysis of polymerised impurities in antibiotics
analysis of polypeptide antibiotics
analysis of polysaccharide drugs
analysis of positron radiopharmaceuticals
analysis of programs
analysis of proteins
analysis of psychotropic drugs
analysis of public opinion
analysis of public policy effect
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