坐标变换

GIS中多源数据的空间坐标变换方法探讨

A Study on Coordinate Transformation of Multi - spatial Data in GIS

GPS地面车辆导航系统数据坐标变换的算法

An Algorithm of Coordinate Transformation for Ground Vehicle Navigation System Data with GPS

基于形态学和坐标变换的二维CA图像处理技术研究

A New CA Method for Image Processing Based on Morphology and Coordinate Logic

AutoCAD曲线的坐标变换和最值求取

The Coordinates Transformation and the Extreme Value Approaches of the Curves in AutoCAD

基于Ozone算法的GPS大地坐标变换，采用WGS-84地心坐标系。

WGS-84 geocentric geodetic coordinate system was adopted for GPS geodetic coordinate transformation based on Ozone algorithm .

分析推导了VRML坐标变换节点Transform的作用矩阵以及与之等价的OpenGL坐标变换语句序列；

Impact and Transform The Fast W Transform Matrix of Transform node in VRML and equivalent realization using OpenGL were deprived ;

新Tortoise坐标变换与任意加速带电动态黑洞熵

A new Tortoise coordinate transformation and entropy of arbitrarily accelerating charged black hole

动态黑洞Hawking效应中的坐标变换

Coordinate Transformation for Hawking Effects of Evaporating Black Holes

广义Tortoise坐标变换与Hawking过程

The generalized tortoise coordinate transformation and Hawking processes

神经计算中坐标变换的网络模型（CMAC）的泛化特性

Generalization of neural network model ( cmac ) for coordinate transformation in neural computation

利用GPS定位数据和方位姿态仪测量数据，通过水下基准坐标变换，解算出水下基准的大地坐标。

The geodetic coordinates of underwater reference point are resolved using coordinate conversion algorithm matrix , which utilizes both GPS data and attitude gyro data of the calibration system .

基于同步坐标变换的VSC-HVDC暂态模型及其控制器

Transient Model and Controller Design for VSC-HVDC Based on Synchronous Reference Frame

基于dq坐标变换的畸变电流矢量检测法

Distorted current detection based on dq coordinate transformation

一种基于CORDIC算法的坐标变换电路

A CORDIC - Based Coordinate Transform Circuit

正则化解法是求解病态方程的有效工具，本文探讨用正则化方法解算小范围GPS网3维坐标变换的转换参数，以提高转换参数的解算精度，扩大参数的使用范围；

This paper discusses the regularization solution in solving 3-dimensional coordinate transformation parameters with small area 's data , in order to improve the precision and extend the application range of the solved transformation parameters ;

分析指出，ip-iq谐波电流检测方法坐标变换过程中，C变换矩阵的频率偏差对检测结果不构成影响。

It is concluded that the detection results will not be influenced by frequency offset in the C matrix transformation process of i_p-i_q harmonic current detecting method .

本文提出了一种用Systolic结构实现图像几何校正的方法，我们采用多项式来逼近几何校正的变换函数，由于坐标变换在图像平面上进行，多项式的计算可以大幅度简化。

The transform function for geometric transform is approximated by polynomial . As the transform act on the image plane , the computation of the polynomial can be greatly simplified .

对ep压缩曲线进行一系列坐标变换及计算，得到slgp曲线，然后根据该曲线上转折点估计土的承载力。

We can get S-lgp curve by transformation of coordinates to e-p compression curve , and then estimate the soil 's bearing capacity according to the turning points on the S-lgp curve .

针对Zernike拟合时的藕合与混淆，采用先用齐次坐标变换去除刚体位移，再用奇异值分解进行Zernike拟合。

To solve-the coupling and mixture of Zernike polynomials fit method , rigid-body displacement is removed with coordinate transformation and then fitted with Zernike polynomials .

用Matlab编程实现了图像数据的读取，设计了图像重建处理过程包括坐标变换、RGB颜色表示法和极值化处理，并用VTK编程实现可视化。

Reading the image data was implemented by Matlab program . The image reconstruction process was designed including coordinate transformation , RGB color representation and min-max normalization .

应用PWM开关模型建立了适合于大信号分析的PWMBuck变换器连续模态下的非线性数学模型，推导出对应的非线性坐标变换和非线性反馈变换，将原非线性系统变换为一个线性系统。

Based on the PWM switch model , the nonlinear mathematical model for large signal of CCM PWM Buck converter is set up . The nonlinear coordinate change and nonlinear feedback equation are proposed .

NCO有着广泛的应用。本文从基本的坐标变换公式出发，严谨地推导了CORDIC的原理，简明扼要地阐明了微旋转和模畸变预矫正。

NCO is widely used in many fields Based on the basic coordinate conversion , this paper derives the principle of CORDIC algorithm precisely ;

对数极坐标变换（LPT）与离散傅里叶变换（DFT）相结合的方法（LPT-DFT）具有旋转和尺度不变性。

The combination of log-polar transform and Discrete Fourier Transform ( LPT-DFT ) has the prosperities of scale and rotation invariance .

对于属于二次函数的图形，本仿真程序采用空间坐标变换的方法，选择特殊点作为新坐标系的原点，将有代表性的矢量作为新坐标系的Z轴。

In figures of the quadratic functions , the method of space alternate coordinate has been used . A special point has been selected as the origin and a representative vector has been selected as the Z axis of new coordinate system .

文中介绍了d-q坐标变换的谐波电流检测的基本原理，在此基础上提出了一种无锁相环的实现方法。

The basic principle of d-q harmonic current detection is presented and on this basis an implementation method without phase lock loop ( PLL ) is put forward .

组成路线的线型都可以分解成直线、圆曲线和缓和曲线。按照线型的不同，详细介绍在高速公路测量中，使用Casiofx-4800p袖珍计算器把测量坐标变换为路线里程的方法。

According to the different route , the paper introduced a method of converting survey coordinate into route mileage by CASIO fx-4800p calculator .

用Borlandc++编程实现了由星表生成星载存储星表、坐标变换、星识别、姿态获取等整个流程。

Using BORLAND C + + preformed the whole processing ' . forming on-boar storage star catalog with star catalog , coordinate transfer , star identification and attitude acquisition ect .

提出了Scott接线变压器的两相等效电路，并揭示出了与利用系统坐标变换方法一致的三相&两相阻抗变换关系。

Two phase equivalent circuit of Scott connection transformer is put forward . The impedance transformation relations between 3 phase and 2 phase are revealed , which are identical to the results obtained from the system coordinate transformation method .

提出零温时空到任意的有限温度时空的普遍坐标变换，并指出该坐标变换是导致稳态时空Hawking辐射的充分必要条件。

In this paper gives a general coordinates transformation from zero-temperature space-time to nonzero temperature space-time , points out that the coordinate transformation is a necessary and sufficient condition causing Hawking radiation in stationary space-time .

为实时补偿电网中瞬时无功功率的变化，采用dq同步旋转坐标变换方法，精确检测系统功率，有效克服电网电压波形畸变给p、q运算方法带来的误差；

In order to real-time compensate reactive power change of system , a dq synchronized rotating coordinate transform method was proposed to make the measurement of power more accurate , which can effectively decrease the effect of voltage distortion with the p 、 q method .