坐标系的

After getting these four line-of-sight vectors, we inverse these data in special observation coordinate based on space analytical geometry, then we can get the vector that has three components on every coordinate, this vector will be treated as the total wind profile in the three-dimensional observation field, the result of this four-point method can basically reflect all the spatial and temporal variation of the atmospheric wind.

在得到视线方向风速矢量后，从选定的三维观测坐标系对这四个矢量进行空间解析几何的运算，可得到观测坐标系的各坐标轴上四个测量矢量的各坐标分量的标量和。从而以这个在三个坐标轴上都有分量的矢量作为在观测视场内的总的风场的风速矢量。

In this paper, the scattering of SH wave by the structure surface with multiple semi cylindrical medium inclusion is studied by using a function of complex variable and a multi polar coordinate method .

利用复变函数和多极坐标系的方法，研究了在结构表面上含有多个半圆形介质夹杂的散射问题，首先给出 SH波对多个半圆形介质夹杂的散射波函数，并利用多极坐标系的方法，来满足介质界面上的连续条件和表面上的边界条件，归结为对一组无穷代数方程组的求解，简化了问题的求解。

In this paper, starting from the definition of kinetic energy,and by establishing the inertial frame and the reference frame ,we have a discussion of the kinetic energy of rigid body and get some conclusions on kinetic energy of rigid body simply in rotation.

在建立惯性坐标系和运动坐标系的基础上，以动能的定义式为出发点，对刚体的动能进行剖析，并讨论了刚体纯滚动情况下的动能，得到了相关的结论。

Then we obtained the data of the lower limb motion of the volunteer in gait by motion capture system. Analyzing the results, we found that the relative positions of the landmarks which were used to construct JCS did not change much during the movement. That means the method on definitions of JCS in this article was reasonable at a certain range.

通过利用运动捕捉系统对自愿者步态过程中的下肢运动轨迹进行采集，分析构建坐标系的特征点在运动过程中空间相对位置的不变性，说明了文章提出的下肢关节坐标系定义方法在一定范围内是合理的。

Then we chose a specific position,the extrinsic parameters and the projection matrix attached to the position were obtained.

在已知摄像头内参数的情况下，计算特定位置的平面模板的外参数，从而确定在这一特定位置摄像机的投影矩阵，确定此时图像坐标系与世界坐标系的对应关系。

Inscribed polygons are used to approximate a circle, and the number of line segments compose the polygon is detemined by the radius and its image of a circle. Calculation of rotation angles between circle and world coordinate systems with normal vector of circles is also discussed. The proposed approach is tested with several real image data, and results are very satisfying.

讨论了利用空间圆所在平面的法向向量计算空间圆局部坐标系相对于物方坐标系的两个旋转角的方法，系统论述了基于物方直接解和直线段最小二乘模板匹配方法进行空间圆匹配与重建的数学模型，并利用实际图像数据进行了重建实验，取得了较好的重建结果。

For the direct current decouple controller, the P1 adjustor抯 parameter of current and voltage loop抯 is designed. The correction of the designed parameter is testified by simulating on two phase synchronization coordinate and three phase stationary coordinate, the simulation wave is given.

对直接电流解耦控制器的电流环和电压环的PI调节器参数进行了设计，并通过在两相同步坐标系与三相静态坐标系的仿真验证了设计参数的正确性，同时也验证了直接电流解耦控制方案的可行性，给出了仿真波形。

Finally, according to the analysis of the results of evaluation, thesis disassembles the result of the performance appraisal of the professional technical personnel of enterprises to major index, and builds proper coordinate to orientate personnel's performance appraisal result on different positions of the coordinate, which intuitionally reflects the reason why professional technical personnel's performance forms and put forward the relevant thinking of management.

最后对该公司专业技术人员绩效考评结果进行系统分析和运用，将企业专业技术人员的绩效考评结果分解至主要指标上，采用坐标系法将员工绩效考评结果定位在坐标系的不同位置，直观地反映了专业技术人员绩效形成的原因，并提出相应的管理思路，从而为绩效反馈提供了科学的参考信息，指出绩效考评体系存在的难点及解决对策。

In the research of the performance feedbacks, thesis disassembles the result of the performance appraisal of the professional technical personnel of enterprises to major index, and builds proper coordinate to orientate personnel "s performance appraisal result on different positions of the of the coordinate, which intuitionally reflects the reason why professional technical personnel"s performance forms and put forward the relevant thinking of management, Thus offered scientific reference information for the feedback of performance, finally, thesis does certain research and discussion in the choose of feedback mode of performance.

在绩效反馈的研究中，论文将企业专业技术人员的绩效考评结果分解至主要指标上，采用坐标系法将员工绩效考评结果定位在坐标系的不同位置，直观地反映了专业技术人员绩效形成的原因，并提出相应的管理思路，从而为绩效反馈提供了科学的参考信息。最后，论文在绩效反馈的方式选择方面进行了研究与探讨。

From Maxwell's equations, with material constitutive relation of optically active crystal and boundary conditions of electric field on the boundary between isotropic media and crystal, through coordinate transformation, the formula of the direction of refracted wave for arbitrary direction incident monochromic plane wave was derived. Furthermore, based on the unit vector of direction of refracted wave, eigen waves of electric field, electric displacement vectors and direction of energy flow can be easily obtained.

从麦克斯韦方程组出发，结合旋光晶体的物质方程以及单色平面波从各向同性介质入射到晶体界面时电场的连续性边界条件，通过晶体主轴坐标系和界面坐标系的坐标变换，推导了任意入射方向的单色平面波在晶体界面上的折射方向的求解公式，进而利用所得的折射方向求解晶体中折射波的电场本征模、电位移矢量本征模和光线方向。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了