The precision and affecting factors of phase difference measurement are analyzed.
分析了检测精度和影响精度的因素。
Before the design of digital circuit, measurement method of phase difference is discussed. Two-way zero passage phase detector is chosen as solution finally.
在正式进入数字电路设计之前，先讨论了相位差测量方法，并选定双向过零鉴相作为实现方案。
In this paper, a new variance used in the phase noise measurement, called deformed high difference variance, is presented.
本文提出一种用于相位噪声测量的新型方差——变形高阶差分方差，其传递函数具有无旁瓣、谐波少等优点。
In monopulse radars, the amplitude and phase of sum and difference channels have influence over Angle measurement accuracy.
在单脉冲雷达中，和差通道接收机的幅度和相位影响单脉冲雷达的测角精度。
A measurement system for sine signal phase difference is designed by using DSP and digital correlation method.
设计一个采用DSP技术和数字相关法测量两路正弦信号相位差的检测系统。
This paper firstly introduces some measurement methods and then points out their deficiencies. At last, a new method is proposed, which uses aptotic phase shifting method to measure phase difference.
介绍了了几种测量相位差的方法，分析了各自的不足，最后提出了一种新型的利用固定相移测量同频正弦信号相位差的方法。
It provides a new method to estimate phase difference for test of characteristic parameters of fluid and measurement of a ship heave in deep-sea mining.
本文为实时估计两列波相位差提供了新方法，在流体物理检测、深海采矿船升沉运动位移等的检测中具有良好的作用。
Phase difference amplification (PDA) was proposed as a means of improving phase resolution and accuracy in interferometric measurement.
相位差放大技术(PDA)是干涉测量领域里一种提高相位分辨率和测量精度的手段。
After studying on the measurement principle of power system harmonic based on FFT theory, this paper presents a high-accuracy method based on phase difference correcting to measure the harmonic.
研究了基于FFT理论的电力谐波检测原理，提出一种基于相位差校正法的高精度电力谐波检测方法。
The outputs were in the form of impulse and phase difference while professional phase demodulation, period and pulse width measurement module focus on FPGA.
此外，以FPGA为核心构建了专用的鉴相、周期及相位脉宽测量模块。
Aiming at the improvement of the precision of Coriolis Mass Flow meters, this thesis develops a new tube-shaped device and measures the phase difference with a digital signal-based measurement.
本文从提高科里奥利质量流量计的灵敏度着手，提出了一种新的管形设计方案，还采用了基于数字信号处理的测量方法来测量相位差。
Aiming at the improvement of the precision of Coriolis Mass Flow meters, this thesis develops a new tube-shaped device and measures the phase difference with a digital signal-based measurement.
本文从提高科里奥利质量流量计的灵敏度着手，提出了一种新的管形设计方案，还采用了基于数字信号处理的测量方法来测量相位差。
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