“直接序列扩频”的概念、定义、翻译、参考文献-科学参考

单词	直接序列扩频
释义	直接序列扩频 Encyclopedia 工学扩展频谱技术释 direct sequence spread spectrum直接序列扩频用高速率的扩频序列在发射端扩展信号的频谱，而在接收端用相同的扩频码序列进行解扩，把展开的扩频信号还原成原来信号的扩展频谱技术。简称直扩。
随便看	re-entry altitude re-entry angle re-entry communication reentry control re-entry corridor re-entry data capsule re-entry distance re-entry flight characteristics of warhead reentry guidance reentry maneuver guidance reentry module re-entry observation re-entry shield re-entry thermal protection re-entry thermal protective structure reentry trajectory reentry velocity reequipping of sinking facilities Rees Rees congruence Rees matrix semigroup Rees module Rees quotient Rees ring Rees-Sciama effect

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。