The principle of frequency lock loop includes delay line discriminator and it is the characteristic of the low noise, and broad band has been introduced in detail in this article. 着重介绍了延迟线鉴频器锁频环路的工作原理、低噪声特性和宽带特性,仪器实现低相噪和快速频率转换的机理。
FLOCK button. Pressing the Frequency Lock(FL) button will disable all frequency determining controls on the front panel, to prevent accidental changes of frequency. 频率锁定(FL),按下这个按钮前面板所有频率控制按钮将被禁用,防止意外改变频率。
This circuit can realize dual functions of a frequency lock and a coherent phase synchronization. 该电路实现了频率锁定(FL)和相位同步的双重功能。
Basing on the experimental results, several suggestions were made with regard to the overall frequency lock system. 根据得到的实验结果,对锁频系统提出了一些建议。
This thesis investigates the SLM TEA CO2 laser and its frequency lock technique. 本论文就是对单纵模TEACO2激光器及其锁频技术展开的研究。