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- Resolution of Systematic Design Trouble with PLD Interior Phase Lock Loop. 使用PLD内部锁相环解决系统设计难题。
- Both incorporation exterior VCO and loop filter could rattling realize celerity Phase Lock function. 结合外部VCO和环路滤波器可以很好的实现快速锁相功能。
- Abstract：The Phase Lock Loop (PLL) Circuits are widely used in electronic systems especially in receivers. 锁相环路是在现代各种电子系统中，特别是在接收机中应用广泛的一种基本电路。
- The coupling visibilities(CV) of temperature sensor heads were measured with phase lock loop technique. 采用锁相环技术测试了各传感器的分光可见度随温度的变化关系。
- This paper presents a digital phase lock technique for UPS inverter output control to meet the trend of UPS digital control. 针对不间断电源(UninterruptedPowerSupply,UPS)控制的数字化趋势,提出了一种应用于数字化UPS的逆变锁相控制技术。
- The signals from the REF IN/OUT socket and the SYNC OUT socket can be used to phase lock two instruments where more than 4 channels are required. 信号从参考输入/输出接口和同步输出接口可用于锁相两项文书在4个以上的渠道是必需的。
- The frequency and phase lock loop has been applied for the carrier recovery of VSB transmission system in high definition TV. 目前，锁频锁相环在高清晰度电视VSB传输系统载波恢复中得到了应用。
- The signal processing circuses, including the low-noise pre-amplifier, the filter and the phase lock loop(PLL) demodulation were designed. 分析并研制了系统的信号调理电路，其中包括低噪声前置放大、滤波、锁相环解调。
- Medium Voltage Inverter, Solid State Soft Starter, Pressure Regulation Water Supply System, Synchronously Switchover, phase lock. 关键词:中压变频器,固态软起动器,恒压供水系统,同步切换,锁相技术。
- To meet the requirements of the target radio frequency (RF) hardware-in-the-loop simulation of the radio detonator, a method using a special phase lock loop (PLL) is presented. 摘要针对某型导弹无线电引信目标射频半实物仿真的需要，提出了一种特殊的环路锁相方法。
- To meet the requirements of the target radio frequency(RF) hardware-in-the-loop simulation of the radio detonator, a method using a special phase lock loop(PLL) is presented. 针对某型导弹无线电引信目标射频半实物仿真的需要,提出了一种特殊的环路锁相方法。
- Results show that the phase locking steps occur in the IV-curves. 结果表明，在直流伏安特性曲线上出现了相锁定台阶。
- One example is the phase comparator of a phase locked loop. 一个例子是相锁环状态下的相位比较器。
- meanwhile ,wea photoelectricity signal disposal technique is further discussed ,by means of phase locking amplifying in the paper ,weak signal is disposed and amplified 106 times and its Signal/Noise (S/N) can be improved 1000 times . 同时对微弱光电信号处理技术也作了较全面深入的研究。 本论文是应用锁相放大的方法进行微弱信号处理的，放大倍数为10~6，信噪比改善可达1000倍。
- Phase locked loop (PLL) has been widely used in communication system. 锁相环路在通信系统中得到了广泛的应用。
- Through the research of direct digital synthesizer (DDS) used as a divider in phase lock loop (PLL), a frequency synthesizer with small frequency resolution ratio and high purity frequency spectrum can be realized. 摘要通过对直接数字合成器在锁相环路中作为分频器应用的研究，使频率合成器可以在实现超细频率分辨率的同时达到高的频谱纯度。
- The PLL (phase lock loop) is realized by form of charge pump, its loop filter is passive two-order LPF. Compared to other form of active filter, this CP PLL has less noise, which does some good to its output spectrum. 微波锁相环采用电荷泵的形式,其环路滤波器为无源二阶低通滤波器,相比采用有源滤波器的锁相环,它不会附加有源噪声,而且滤波器结构简单,便于调试。
- PLL (phase lock loop) with PFD (phase-frequency detector) have been widely used in recent years.Reason for their popularity include extended tracking range, lower tracking time and low cost. 摘要锁相环(PLL)是一个闭环相位自动控制系统，能够利用一个精确且稳定的频率产生一系列频率准确的信号，为系统内部的其它模块提供稳定的高频时钟。
- In order to satisfy the flow measurement precision for big-pipe,multi-paths ultrasonic flow measurement system based FPGA(Field Programmable Gate Array) and phase lock loop(PLL) was developed. 为了满足大管径流量的测量精度,研制了基于现场可编程门阵列器件FPGA和锁相环路的多声路超声波流量测量系统。
- Measuring the noise parameter by means of locked amplifier 利用锁定放大器测量放大器噪声系数
