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• Phase difference between two signals?

两个信号之间相位差

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• In practice there are three methods of accomplishing this phase difference.

实践中三种方法来获得相位差。

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• The phase difference between velocity of vibrate particle and force was analysed.

通过数学分析得出振动质点速度强迫力之间相位差

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• Signal recording method, phase difference detecting circuit, and information apparatus.

信号记录方法相位差检测电路信息装置

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• VI program can be used to measure phase difference of two signals with same frequency too.

利用这个VI程序可以测量两个频率信号相位差

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• 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研究进展

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• We obtained also the relation between gravity and the phase difference of the atom gravimeter.

得到原子重力仪相位差重力加速度关系

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• 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实时测量

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• A new single-station passive location method combining phase difference and UKF algorithm is presented.

提出了相位差卡尔曼(ukf)算法结合的单站无定位方法

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• 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相位差计算频率计算。

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• A measurement system for sine signal phase difference is designed by using DSP and digital correlation method.

设计一个采用DSP技术数字相关测量路正弦信号相位差检测系统

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• The phase difference calibrations between different measuring channels in an instrument system are also discussed.

本文相位测量仪器系统的相移标定进行讨论。

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• This paper analyses the cause of systematic error while testing phase difference and give methods of removing them.

本文分析测量相位差产生系统误差原因提出了消除系统误差的方法。

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• Calculation method about phase difference and amplitude in interference pattern of convergent light has been proposed.

提出了晶体锥干涉两相干光相差振幅计算方法

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• The results show that the phase difference and the amplitude variation can be considered as the criteria of seam tracing.

结果表明： 对称位置接收到声发射信号相位差值差可以作为电弧超声焊缝跟踪的依据

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• One method is phase difference correction of partly FFT; the other is FFT frequency correction with quadratic interpolation.

利用分段FFT相位差修正算法是基于内插频率FF T校正法。

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• Using the high degree diffracted waves twice, we have obtained lower noise phase difference amplification of over 100 times.

两次利用衍射可获得大于100倍噪声相差放大

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• The pulse flame will be blowout at certain phase difference, if the amplitude of the exciting pressure pulsation is great enough.

如果驱动压力脉动足够，到一定相位差时，脉动燃烧停止工作。

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• A novel method of phase difference estimation under Gaussian noise is proposed to improve the precision of Coriolis mass flowmeter.

提高精度提出了一种高斯噪声背景科氏质量流量计相位差估计方法

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• Two signals from the mass flowmeter are filtered by no change of phase, and the phase difference is given by zero passage arithmetic.

路信号数据采集后使用了无相位变化滤波方法，通过过零点算法计算出得出相位差

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• Phase difference between the e. m. f. of an alternator taken as a reference and that of another alternator or that of an infinite bus.

作为参考交流电机电动势另一台交流电机无限大母线电动势之间相角

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• In this paper, the single observer-passive location method using phase difference change rate is introduced based on existing methods.

该文在现有站无源定位方法基础介绍了相位差变化率定位法。

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• 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)干涉测量领域里一种提高相位分辨率测量精度手段

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• 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)频谱分析方法，计算流量信号频率相位差

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• From the derivation, cause and physical significance of the extra phase difference of the coherent field of Gaussian beams can clearly be seen.

一导出过程可以清楚地看出高斯相干附加相差成因及其物理意义

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• The experiment result is indicated that the difference between test phase difference by using this instrument and setting standard value is lower 2%.

试验表明利用测量仪测量相位差设定标准值相比差值在2%以内。

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• 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方法流体物理检测深海采矿升沉运动位移检测中具有良好的作用。

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• Utilizing the regularity of phase difference between period signals, phase processing is made on comparison signals, which reduce effectively quantified error.

这个方法利用周期性信号相位差变化规律性对比对信号进行相位处理有效地减小了量化误差

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• Utilizing the regularity of phase difference between period signals, phase processing is made on comparison signals, which reduce effectively quantified error.

这个方法利用周期性信号相位差变化规律性对比对信号进行相位处理有效地减小了量化误差

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