English translation for "笛卡儿坐标"
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- ansys cartesian
cartesian coordinates
Related Translations:
笛开关: whistle controllerwhistlecontroller
- Example Sentences:
| 1. | Three dimensional cartesian representation of gravity vector and gravity tensor
引力向量与引力张量的三维笛卡儿坐标表示式 | | 2. | The maximum coordinates method is applied in this study . euler parameters and cartesian coordinate are used to define the space characters of the double - wishbone suspension system
本课题所采用的是极大数目坐标法，这种方法对的汽车双横臂独立悬架空间位姿采用空间笛卡儿坐标和欧拉参数来描述和分析。 | | 3. | After that , according to thermal conduction theories of anisotropic materials that were irradiated with continuously modulated laser , a photothermal measuring method about the thermal conductivity tensor and the orientation of the principal axis of the conductivity of arbitrarily opaquely anisotropic materials in the descartes coordinate axes was given by virtue of the theories of so ( 3 ) group rotation
随后又以在连续调制光辐照下的各向异性介质的热传导理论为基础，通过so ( 3 )群转动理论，导出确定任意不透明各向异性介质在笛卡儿坐标下的热导张量和热导主轴方向的测量方法。 | | 4. | The conformal microstrip antenna with some unique character has been applied in many fields , especialy on speedy objects . in this paper , an efficient fdtd algorithm is introduced to analyse the microstrip antenna . firstly , the fdtd formula in descartes coordinate system and in cylindrical coordinate system are obtained from the time _ dependent maxwell equations using the yee algorithm in a calculating region where the dielectric parameters are independent of time and space . the choice of the space discretization units and the time discretization interval are discussed which are decided by the accuracy and stability respectively . the shape and setup of the excitation source are discussed too . the excitation source is chosen to be gaussian pulse in shape . secondly , the mur ' s first - order and second - order boundary condition are deduced in cylindrical coordinate system . the methods of transforming radiation fields from near zone to far zone in the frequency domain and in the time domain are presented when fdtd is applied to analyse the characteristics of far zone . finally , three kinds of microstrip antennas are analysed . they are a slot antenna that lies on a plane ground of a microstrip , a slot antenna that lies on a cylindrical ground of a microstrip and a microstrip line _ fed aperture coupled stacked rectangular patch antenna in cylindrical coordinate system
本文从麦克斯韦旋度方程出发，建立了笛卡儿坐标下无源空间中均匀无耗媒质的fdtd基本方程和圆柱坐标下无源空间中均匀无耗媒质的fdtd基本方程，详细讨论了fdtd法计算中时间步长和空间步长的选取原则以及激励源的类型和设置；推导了mur一阶和二阶边界条件在圆柱坐标下的差分格式；给出了在用fdtd法计算天线的远场辐射特性时必需采用的频域和时域近场远场变换技术；最后用fdtd法计算了平面微带缝隙天线、柱面共形微带缝隙天线和柱面共形微带层叠天线的输入阻抗和远区辐射场，并分析了天线的一些参数的变化对天线输入阻抗的影响，得出了一些有用的结论。 |
- Similar Words：
- "笛卡儿叶形线" English translation, "笛卡儿映射函数" English translation, "笛卡儿语言学" English translation, "笛卡儿哲学" English translation, "笛卡儿正负号规则" English translation, "笛卡儿坐标，直角坐标" English translation, "笛卡儿坐标程序设计" English translation, "笛卡儿坐标内的问题" English translation, "笛卡儿坐标图" English translation, "笛卡儿坐标系" English translation
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