The results of simulations and experiments have proven that this method has extremely high precision while calculating the phase difference.
实验结果表明该方法在求取相位差时具有极高的精度。
The phase difference often needs to be measured between two signals with the same frequency in power system, such as power voltage and power current signals.
在电力系统中常常需要对两个同频率信号(如工频电压和工频电流)之间的相位关系进行准确的测量。
In practice there are three methods of accomplishing this phase difference.
在实践中有三种方法来获得相位差。
The phase difference between velocity of vibrate particle and force was analysed.
通过数学分析得出振动质点的速度与强迫力之间的相位差。
Signal recording method, phase difference detecting circuit, and information apparatus.
信号记录方法，相位差检测电路，及信息装置。
The principle of producing phase difference of two beams and its algorithm are studied.
阐明了双波束相位差产生的原理和计算方法。
VI program can be used to measure phase difference of two signals with same frequency too.
利用这个VI程序还可以测量两个同频率信号的相位差。
The principle and development for phase difference amplification is presented in this paper.
本文介绍了位相差放大基本原理和研究进展。
We obtained also the relation between gravity and the phase difference of the atom gravimeter.
得到了原子重力仪的相位差与重力加速度的关系。
In virtue of computer communications network, the phase difference real time measurement is realized.
借助于通信网络，可以实现电力系统相角的实时测量。
A new single-station passive location method combining phase difference and UKF algorithm is presented.
提出了相位差与无迹卡尔曼(ukf)算法相结合的单站无源定位方法。
The set of formulas consists of DFT of sampled data, phase difference calculation and frequency calculation.
频率估计公式包括采样序列DFT、相位差计算和频率计算。
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。
The phase difference calibrations between different measuring channels in an instrument system are also discussed.
本文还就相位测量中仪器系统的相移标定进行讨论。
This paper analyses the cause of systematic error while testing phase difference and give methods of removing them.
本文分析了测量相位差时产生系统误差的原因并提出了消除系统误差的方法。
Calculation method about phase difference and amplitude in interference pattern of convergent light has been proposed.
提出了晶体锥光干涉中两相干光的位相差和振幅的计算方法。
The results show that the phase difference and the amplitude variation can be considered as the criteria of seam tracing.
结果表明： 对称位置接收到的声发射信号的相位差和幅值差可以作为电弧超声焊缝跟踪的依据。
Using the high degree diffracted waves twice, we have obtained lower noise phase difference amplification of over 100 times.
两次利用其高阶衍射可获得大于100倍的低噪声位相差放大。
A novel method of phase difference estimation under Gaussian noise is proposed to improve the precision of Coriolis mass flowmeter.
为提高其精度，提出了一种高斯噪声背景下的科氏质量流量计相位差估计新方法。
Two signals from the mass flowmeter are filtered by no change of phase, and the phase difference is given by zero passage arithmetic.
两路信号数据采集后使用了无相位变化的滤波方法，通过过零点算法计算出得出相位差。
In the if signal processing of the LAU, this paper invents a kind of phase detector that can reflect the phase difference accurately.
本地天线单元中的中频信号处理时，设计了一种可精确反映相位差的鉴相器。
In this paper, the single observer-passive location method using phase difference change rate is introduced based on existing methods.
该文在现有单站无源定位方法的基础上，介绍了相位差变化率定位法。
This paper presents calculation of frequency and phase difference of flow signals with spectrum analysis on basics of Fourier transform (DFT).
本文采用基于傅立叶变换(DFT)的频谱分析方法，计算流量信号的频率和相位差。
From the derivation, cause and physical significance of the extra phase difference of the coherent field of Gaussian beams can clearly be seen.
从这一导出过程可以清楚地看出高斯束相干场附加位相差的成因及其物理意义。
A new instrument which can measure the phase difference by 8051 microcontroller and LED digital display current driven by MAX7219 is introduced.
介绍了一种主要由8051单片机、MAX7219驱动的LED数码显示电路构成的相位差测量仪。
The phase difference of mass unbalance and bend of rotor will affect the size of coupling zone and the coupling vibration in two coupling zones.
质量偏心与转子弯曲的相位差会影响耦合区的大小及耦合区内的耦合振动；
Under the condition of phase difference given, the bond-length and dissociation energy calculated are quite consistent with the experimental values.
在特定相位条件下，由此计算出的键长和离解能与实际值相吻合。
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。
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。
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