查询词典 coordinates

To deal with the measurement error induced by the motion compensation error, the phase of the target\'s barycentre is estimated to compensate the phase differences. The measured scatterers\' height and width are wrong because they are not obtained in rectangular coordinates.

建立了在目标与天线电轴间存在较大斜角情况下的干涉式逆合成孔径雷达三维成像模型，并给出了运动补偿的详细步骤，针对因目标运动补偿误差导致的干涉测量误差，提出了利用估计出的目标重心相位对相位差进行补偿的方法。

Above all by hand in dc network to the coupling between concerns and be changed stream implement changeover equation, derivation gives rectangular coordinates to fasten matrix of the Jacobi that makes dc system, Hessian, the means that offers section to seek solution in the light of the change that makes dc system control fashion next begs solution voltage to stabilize the usable transmission ability below tie condition.

首先由交直流网络间的耦合关系和换流器转换方程，推导出直角坐标系交直流系统的Jacobi、Hessian矩阵，然后针对交直流系统控制方式的改变提出分段求解的方法求解电压稳定约束条件下的可用传输能力。

You can see rectangular texture piece and triangle face projection to texture coordinates space, set by vertices a, b and c.

你能看到给纹理坐标空间的矩形纹理和三角面投影，设为a、b、c顶点。

The approximate solution shows that there is a rectilinearity in the pressure and time semilogarithmic coordinates.

注水井压降试井的近似解表明在压力与时间的半对数坐标下呈直线关系，直线的斜率与截距取决于注采比、注采井距、注采厚度比、注采产能系数比等参数。

By means of a resonable and approximate treatment the dependent variables of the integral equation are reduced to depend only on the two coordinates of the wing plane.

通过合理的近似处理，使积分方程的自变量仅依赖于机翼所在平面的两个座标，这就使我们在利用有限无法进行数值解时，只需在机翼平面上划分元素，避免了在流场空间中划分元素的传统作法，从而大大降低了对计算容量的要求和计算工作量，使跨音速三维机翼的气动力计算有可能在较小的计算机(例如709机)上完成。

For the characteristics of closed chain with redundant coordinates, the Routh equation was applied to developing a dynamic model of the biped robot with heterogeneous legs to which the relationship between force and moment of the two legs are evaluated, thus giving dynamically the direct and inverse solutions to the Routh equation.

针对这一闭链并含冗余坐标的完整系统的特点，采用罗司方程建立了异构双腿行走机器人动力学模型，给出了异构双腿关节运动和力矩之间的关系以及动力学正逆问题的求解方法，并利用典型步态数据对所建模型进行了仿真计算。

Because these two coordinates of the reference ellipsoid different coordinate transformation is too much trouble to use EXCEL to prepare can increase the application process, I hope all of you to help.

因为这两个坐标系的参考椭球不同，坐标转换比较麻烦，用EXCEL编写可以增加程序的应用性，希望对大家有所帮助。

The input method of multi-scale data and three levels data index are investigated, a new own idea about how to represent multi-scale seamless data is advanced. The viewpoints that seamless GIS is looked on surface of globe reference ellipsoid as spatial information positioning standard and looked on geographic coordinates as reference of spatial data storage are explored, and based on reference ellipsoid surface coordinate, the measurement model of distance, azimuth angle and area are given.(4) The flowchart of data production of seamless GIS is analyzed, on the basis of the program algorithm and the interactive processing of feature adjoining relation, the data production method of seamless GIS is discussed.

研究了无缝GIS多格式、多比例尺空间数据入库的模式，创新性地提出了用数据中间件模式解决GIS多源空间数据无缝集成的新方法，研究了多比例尺数据入库的方法和三级索引机制，并对无缝GIS数据的多尺度表示提出了自己的看法；阐述了无缝GIS以地球椭球面为空间信息定位的参考面、以地理坐标进行空间数据存储的观点，并给出了在椭球坐标系下的距离、方位角和面积度量模型。

A 3D particle velocity measurement system was built upon calibration method of multi-layer regular grid and particle space coordinates determination method of iterative approaching developed in this paper.

对不同的粒径和不同的水流条件，颗粒纵向平均速度都符合对数分布规律，垂向和横向的平均速度属于随机波动的范围。

Containing the Visible Region positioning and the Sequence Region positioning raised in this paper as well as the Orientation Region positioning raised by Levitt [17] , the qualitative positioning method segments the environment of robot into different equivalent classes , and describes the positions without coordinates but just using landmarks and landmark relations, based on the extracted qualitative relations from images such as the visibility of landmarks, the sequence of landmarks and the position relative to the landmark pair boundary .

定性定位包括本文首次提出的可见区域定位和顺序区域定位，以及Levitt[17]提出的有向区域定位，利用通过图像获取的路标的定性关系如路标的可见性，路标排列的顺序和相对于路标对边界的位置等，将机器人的运动环境划分为若干个等价类；其定性性体现在不必使用坐标就可描述机器人的位置，这种定位方法只利用视觉反馈中的定性信息。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐