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phase locked filter 锁相滤波器
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。
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。
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。
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。
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。
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。
The phase jitter of output signal of the PLL( phase locked loop) frequency doubler is analyzed. 定量分析了数字式锁相倍频器输出信号的相位抖动.
A phase locked wavelength drive prevents peak shifts and peak suppression at high scan speeds. 相位锁定波长驱动技术可以防止仪器在快速扫描时吸收峰的偏移。
Phase locked loops (PLL) are electronic systems widely used in different fields of applications. 锁相回路（PLL）做为一种电子系统广泛的用于不同的应用领域。
TMS320F240 DSP is used to realize the digital Phase Locked Loop(PLL) and real-ize the hot-swap function of the parallel system. 采用TMS320F240型DSP芯片实现数字锁相同步,实现并联系统的热插拔功能。
This paper discusses a method to demodulate FSK signal, on the basis of FPGA chip, by applying all- digital phase locked loop. 本文研究了一种采用全数字锁相环实现频移键控FSK信号解调的新方案。
The basic principle of using phase locked loop technique to realize the design and analysis of program controlled frequency syntheses was introduced. 本文简要地叙述了应用锁相环路实现信号合成的基本原理。
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。
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。
In this paper the working princi-ple and desiging method of which phase locked loop are discussed the experimental resuIts are given also. 本文分析了无相差锁相环的原理和设计方法，并给出了实验结果。
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。