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• Dendrite growth has been simulated with the phase field method and finite difference schemes on a two dimensional rectangular domain with a uniform square mesh.

采用模型有限差分方法模拟了冷纯金属熔体的生长，计算区域正方形均匀网格。

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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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• By limited difference method, two dimensional, two phase polymer flooding numerical model is built.

并通过有限差分方法建立了聚合物数值模型

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• A method of digital calibration in the amplitude and phase imbalances of sum and difference channels, and of angle error normalization processing is provided.

提供了支路幅不平衡数字校正误差归一化处理方法

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• Aiming at the abnormity of the phase and groove number, hardware redundancy and difference method is used to forecast time series and the problems are resolved.

针对定位传感器应用相角齿槽信号异常的问题利用硬件冗余差分进行时间序列预测解决了该类问题

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• On the basis of this method, and taking advantages of the methods-time-domain translation as well as the window length change, the uniform formula for the phase difference correction is derived.

基础上，中心平移时域平移改变长法综合应用，推导出相位差校正统一公式

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• In the paper, the mathematical model for the proposed method is deduced, and the mean and variance of the acquired carrier difference phase of the proposed method are analyzed and simulated.

给出了该方法提取两导航台载波差分相位数学模型分析方法提取差分相位的均值误差，进行了计算机仿真

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• Compared with the original two kinds of Phase-Difference Correction, only one sequence of time-domain signal is sampled and FFT analysis of same points is performed twice in this method.

相位差法相比，这种方法段时域信号，且进行两次相同点数FFT分析

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• This article introduced the basic theory and method of measuring the velocity of light using the method of phase difference and how to measure the velocity of light using phase difference in air.

介绍了一台自制利用相位差测量光速的仪器基本原理方法通过对光空气中的传播速度测定，使大家对相位变化测量光速仪器有所了解

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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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• Moreover, the difference of the internal precipitation method and the external adding method for the second phase particles in steel was generalized.

同时第二粒子内部析出外部加入差异简单的概述。

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• The principle of spectrum correction based on difference is studied. A novel method by use of phase phase difference, namely the method of translation of window center is proposed.

研究了基于相位差频谱校正方法基本原理，提出利用相位差校正的新方法———中心平移法。

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• For the problem of the parameter estimation of multi-component chirp signal in the additive colored noise, a method based on phase difference and time-frequency signal filter was proposed.

针对加性噪声背景下分量线性调频信号参量估计问题，提出基于相位差分的时子空间方法

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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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• 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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• The time history curves and the phase diagram for the oscillation are obtained by solving the differential relation between vibration amplitude and tensile load with finite difference method.

应用有限差分法求解振动振幅外加荷载之间微分关系得到了球壳振动的

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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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• 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 results of simulations and experiments have proven that this method has extremely high precision while calculating the phase difference.

实验结果表明方法求取相位差具有极高精度

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• The voltage difference of same-phase caused by different transformer wiring group was analysed. And the solving method was also provided in this paper.

分析变压器由于接线组别不同引起的各个同相电压以及解决方法

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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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• Considering the spread spectrum orientation systems using difference carrier phase to measure distance, this paper proposed a method for acquiring difference carrier phase by using pilot symbol.

考虑利用载波相位进行测距扩频无线电导航系统该文提出了一种基于导引符号的两导航台载波差分相位的提取方法

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• 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，先讨论相位差测量方法，并选定双向作为实现方案

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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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• 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.

采用传感器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

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• When the curvature is 0, we found that the difference between the phase field method and the finite difference method is very small.

我们发现有限差分法相比较，曲率0，即边界为一条直线时候，两者的差别很小。

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• So this technique has high sensitivity which phase difference method has and is hardly affected by the variation of the sound speed of the fluid, just as frequency difference method is .

因而方法具备了相差检测灵敏度测流体声速变化影响小特点。

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• A new virtual calibrator for instrument transformer is presented. A phase difference correction method is applicable to correct electronic instrument transformer.

介绍一种新型虚拟互感器校验仪，它采用相位差校正解决了校验电子式互感器的问题。

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• A new virtual calibrator for instrument transformer is presented. A phase difference correction method is applicable to correct electronic instrument transformer.

介绍一种新型虚拟互感器校验仪，它采用相位差校正解决了校验电子式互感器的问题。

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