“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	man-machine communication man-machine dialogue Man-Machine Engineering man-machine engineering man-machine engineering in electronic equipment man-machine environment system man-machine function assignment principle man-machine function matching man-machine interaction technology in space man-machine interface man-machine interface station man-machine simulation man-machine system man-machine system modeling man-machine system safety Design man-made climatic chamber man-made explosion earthquake man-made fibers Man-made Glass man-made interference man-made island Man-made Islands in Dubai man-made isotope man made nuclide man-made nuclide

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。