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。
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。
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。
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。
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。
One method is phase difference correction of partly FFT; the other is FFT frequency correction with quadratic interpolation.
一是利用分段FFT的相位差修正算法，二是基于二次内插的频率FF T校正法。
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。
The pulse flame will be blowout at certain phase difference, if the amplitude of the exciting pressure pulsation is great enough.
如果驱动压力脉动幅值足够大，到一定的相位差时，脉动燃烧停止工作。
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。
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.
作为参考的交流电机电动势与另一台交流电机或无限大母线电动势之间的相角差。
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。
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。
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 control of the constant Phase difference between the current and the displacement of the magnetic damper in rotor-bearing system is studied.
对挠性转子轴承系统电磁阻尼器的电流位差常相位移振动控制进行研究。
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。
Utilizing the regularity of phase difference between period signals, phase processing is made on comparison signals, which reduce effectively quantified error.
这个方法利用了周期性信号间相位差变化的规律性对比对信号进行相位处理，有效地减小了量化误差。
The phase difference between the signals from beam forming net can affect the modulation index of single channel signal and can lower the precision of tracking.
和差网络输出的和差信号相位差会影响单通道信号的调制度，进而降低跟踪精度。
Based on the magnetic grid torque transducer and a new computer aided method to measure phase difference, a new measuring system for dynamic torque is developed.
采用磁栅转矩传感器和一种新的微机辅助相位差检测方法，研制了一套新型动态转矩测量系统。
A new virtual calibrator for instrument transformer is presented. A phase difference correction method is applicable to correct electronic instrument transformer.
介绍了一种新型的虚拟互感器校验仪，它采用相位差校正法解决了校验电子式互感器的问题。
A new virtual calibrator for instrument transformer is presented. A phase difference correction method is applicable to correct electronic instrument transformer.
介绍了一种新型的虚拟互感器校验仪，它采用相位差校正法解决了校验电子式互感器的问题。
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