“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。
随便看	quality control of antibody-drug conjugate quality control of antitoxin and antiserum quality control of attenuated bacterial vaccines (live) quality control of attenuated virus vaccine (live) quality control of biotechnology drug quality control of biotoxin quality control of bispecific antibody quality control of combined vaccine quality control of drug production quality control of fusion protein quality control of laboratory animal quality control of laboratory animal feed quality control of log data Quality control of low-income housing quality control of metals heat treatment quality control of monoclonal antibody quality control of pertussis vaccine quality control of polymorphic drug quality control of recombinant enzyme drug quality control of recombinant hormone drug quality control of remodeled recombinant human acid α-glucosidase quality control of remodeled recombinant human placental-derived β-glucocerebrosidase quality control of therapeutic biological product quality control of toxoid vaccine quality control (QC)

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。