... phase-locked communication 锁相通信 phase-locked system 锁相系统 phase-modulation communication system 调相通信系统 ...
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phase-locked variable structure system 锁相变结构系统
phase-locked speed control system [自] 锁相调速系统
phase-locked servo system 锁相伺服系统
phase-locked loops system 锁相环路系统
phase locked servo system 锁相伺服系统
digital phase-locked servo system 数字锁相伺服系统
The phase-locked system is a closed loop automatic control system that can follow the frequency and phase of the input signals.
锁相系统是一个能够跟踪输入信号频率和相位的闭环自动控制系统。
The research of this project is concentrated on PLLs phase noise. It aimed at discovery some special difficulty in implementing phase-locked system.
本文主要研究了锁相环的相位噪声问题，研究目的在于揭示锁相系统设计过程面临的一些特殊问题。
So, it's very necessary to deeply research the principle of phase-locked system, capture the design and analysis method, set up IP library and afford ready design block for system.
因此，对锁相环进行较深入的研究，掌握其设计和分析方法，并完善IP库，为系统设计提供单元模块，是非常有必要的。
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