笛卡兒空間 的英文怎麼說
中文拼音 [díkǎerkōngjiān]
笛卡兒空間
英文
cartesian space-
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
本課題所採用的是極大數目坐標法，這種方法對的汽車雙橫臂獨立懸架空間位姿採用空間笛卡兒坐標和歐拉參數來描述和分析。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
本文從麥克斯韋旋度方程出發，建立了笛卡兒坐標下無源空間中均勻無耗媒質的fdtd基本方程和圓柱坐標下無源空間中均勻無耗媒質的fdtd基本方程，詳細討論了fdtd法計算中時間步長和空間步長的選取原則以及激勵源的類型和設置；推導了mur一階和二階邊界條件在圓柱坐標下的差分格式；給出了在用fdtd法計算天線的遠場輻射特性時必需採用的頻域和時域近場遠場變換技術；最後用fdtd法計算了平面微帶縫隙天線、柱面共形微帶縫隙天線和柱面共形微帶層疊天線的輸入阻抗和遠區輻射場，並分析了天線的一些參數的變化對天線輸入阻抗的影響，得出了一些有用的結論。A method for trajectory planning of robot in cartesian space
笛卡兒空間機器人軌跡規劃方法By the software platform, figuring out the objects and the robotics projection according to the kinematics model and the coordinate transform and t our software platform is to test the validity of the arithmetic according to adjusting the distance between the two vidicons and vidicons ’ poses in the descartes space.,
設計的軟體模擬演算法驗證平臺中，通過運動學模型、坐標轉換等計算出目標物體、機器人本體的視覺投影，在一定范圍內調節目標對象在笛卡兒空間中的位姿，模擬現場工作環境。分享友人