“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	laser microbeam cell perforation laser microbeam technology laser micro cladding laser microemission spectral analysis laser microirradiation laser microprobe laser micro welding laser mode laser mode-locking laser mode restriction technique laser mode selection technology laser modification laser modulation technology laser monochrome photography laser multipass welding laser multiphoton ion source laser noise laser nuclear fusion laser obstacle avoidance sensor laser occupational hazard laser optics laser optoacoustic detector laser oscillating conditions laser [oscillation] condition laser oscillation condition

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。