But PLLs design process involves much theory and application base, such as signal and system, integrated electronics, layout, semiconductor technology, measurement etc.
但是锁相环的设计过程，涉及到信号与系统、集成电子学、版图、半导体工艺和测试等方面，难度比较大。
In this paper, a measuring instrument is designed based on relative measurement of the semiconductor laser frequency stability making use of the beat technology.
本文设计了一种测量仪，基于拍频技术对半导体激光器频率稳定度进行相对测量。
In this paper, a measuring instrument is designed based on relative measurement of the semiconductor laser frequency stability making use of the beat technology.
本文设计了一种测量仪，基于拍频技术对半导体激光器频率稳定度进行相对测量。
应用推荐