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- Detection Method of Power Quality Disturbance Based on an Improved PLL System 一种基于改进锁相环系统的电能质量扰动检测方法
- improved PLL system 改进锁相环系统
- In this thesis, we discuss the Voltage Controlled Oscillator (VCO) which has the largest jitter in PLL system. 在本论文中，我们讨论在锁相迴路系统之中，产生最大杂讯抖动的电压控制震荡器。
- A PLL system used to derive high-speed time signals for SONET/SDH based equipment was analyzed in this paper. 本文设计了一个用于光纤通讯同步数字系列（SONET/SDH）系统的高速时钟数据恢复芯片的多环路锁相环。
- The PLL system is a stable phase feedback control system with many useful outputs, and it is robust to its inner parameters and small change of input's basic frequency. 该改进PLL系统是一个稳定的相位反馈控制系统，产生的多个输出信号可用于多种电能质量扰动的检测，而且对于检测系统的内部参数和电力系统频率的变化是鲁棒的。
- The Study of 3mm Wave Low Phase Noise PLL System 三毫米低相噪锁相系统研究
- DDS Hybrid PLL System and Example DDS+PLL组合系统及实例
- The present system of education needs to be improved. 目前的教育制度需要改进。
- I suppose you also have a caste system in your society. 我想你们的社会里也有一种等级制度。
- The right to dissent is part of our political system. 有持异议的权利是我们政治体制的组成部分。
- Improving PLL tracking of ultrasonic vibration resonant frequency 锁相环跟踪超声振动系统谐振频率的改进
- Do you know how to log in to the system? 你知道怎么登录进入这个系统吗？
- Have standards of morality improved? 道德标准是否有所改进？
- Public opinion was against the old feudal system. 公众舆论反对旧的封建制度。
- The system works on the principle that heat rises. 该项装置是按照热力上升的原理运转的。
- The drainage system has been aged. 排水系统已经老化了。
- She is an improved edition of her mother. 她长得像她母亲但胜过她母亲。
- They called for a radical reform of our tax system. 他们要求对税收制度进行根本改革。
- Our packing method shall be improved. 我们的包装方法应加以改进。
- His writing has improved greatly in this semester. 这学期他的写作有了很大进步。
