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The measurement principle of the system is presented. The calibration method of CCD camera and calibration process of the projector are discussed. An idea to solve the spatial coordinates with phase matching is proposed.

文章给出系统的测量原理，详细讨论了CCD摄像机的标定方法和投影仪的标定过程，提出利用相位匹配方法求解空间坐标的概念。

By applying object-oriented analysis method, the device elements in power system are used as research objects in phase coordinates for network modeling and fault analysis. The symmetrical feature of power system elements is studied and optimized calculation methods for various application environments are developed.

本文以电力系统设备元件和网络节点为主要研究对象，利用面向对象的分析方法，在相坐标系下对网络建模和故障处理作了深入的研究；分析了电力系统元件的对称性，为各种不同应用环境研究了实用化的优化计算方法。

In the phase measurement technology based on grating projection, there are some difficulties such as: the method of projection, phase unwrapping algorithm and 3-D coordinates calibration.

在光栅投射相位测量技术中存在着几个难点，例如：投影方式、相位去包裹算法和3－D坐标标定。

The transformation relations of the electrical values between the primary side and the secondary side and the nodal admittance matrix in phase coordinates are presented, which can be used to analyze the related problems of traction power supply systems of electric railways.

给出了变压器一次侧与二次侧间电气量变换关系和相坐标下的节点导纳矩阵，为进行牵引供电系统有关问题的分析计算奠定了基础。

During the training phase, coordinates of 个 X,Y

坐标值。在训练阶段，任意

According to the characters of iterate equation, the equation of asymmetrical three-phased state estimation can be decoupled strictly on phase coordinates, and with the rotation transformation added, the real and image part of normal equation can also be strictly decoupled.

在研究现有配电系统状态估计的基础上，根据配电系统的特点，提出了基于相坐标系的配电网三相不对称快速解耦状态估计算法。

For understanding the phase and transfer properties of optical wave propagating through negative refractive index medium layer, the relations between negative refractive index, the value and direction of wave vector k, the coordinates and the phase have been investigated intensively.

针对在理解负折射率材料中光波的传播特性时相位的特殊性质，详细分析推证了负折射率介质中折射率、波矢k的大小和方向、空间坐标系以及波相相位互之间的关系。

In this approach, double-differenced dual-frequency phase measurements and the known coordinates of reference stations as well as the precise ephemeris are used to rebuild observation equation, and then a Kalman filter is designed for the parameters estimation, i.e. ionosphere delay etc.

该算法使用双差双频相位、参考站精确的坐标和精密星历构造观测量，并用卡尔曼滤波来估计电离层参数，在给定显著水平的情况下，可以使用单个或少量历元以假设检验的方法探测和修复周跳。

Through the Lagrange's equation,the nonlinear vibration equation of a particle non-harmonic oscillator is established;the curves of the restoring force and potential energy varying with coordinates and phase plot are drawn.

利用拉格朗日方程建立了单质点弹簧振子非线性振动方程，作出了回复力、势能随坐标的变化曲线以及相图。应用第一类完全椭圆积分求出了非线性振动周期的精确解。

The raw data of I, Q channels are converted into the same amplitude and phase data in polar coordinates. The formula of optimal bit allocation for the amplitude and phase is deduced by the Lagrange multiplier based on the Rate-Distortion equality.

将I， Q两路原始数据转化为极坐标下相同大小的幅度－相位数据，根据率失真不等式由拉格朗日乘子法推导了基于幅度微分熵和相位微分熵的最优比特分配公式，然后用对应的比特数分别进行幅度和相位的网格编码量化。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。