1) earth polar coordinate system
地极坐标系
2) Coordinate of pole
地极坐标
3) polar coordinates system
极坐标系
1.
The application of polar coordinates systemin the CNC LATHE-MILLING;
极坐标系在数控车铣加工中心上的应用
2.
A fast particle-moving algorithm for particle-in-cell simulation of plasmas in polar coordinates system was proposed, in which the local rectangular coordinates approximation was used in the area near the position of the charged particle at every time step.
提出了一种在极坐标系下快速推进带电粒子的等离子体粒子模拟算法,该算法在每个时间步长内对带电粒子位置附近的区域采用局部直角坐标系近似,并通过坐标变换,得到粒子运动方程求解的显式格式,从而避免了极坐标系下隐式格式直接迭代求解所带来的容许误差,并提高了计算效率。
3.
This article analyses Foucault pendulum movement through the way of polar coordinates system.
文章用极坐标系分析了付科摆的运动,比常见的用直角坐标系讨论要简单,力学意义更清晰。
4) polar coordinate system
极坐标系
1.
Pseudo-spectral method in polar coordinate system for viscous flow;
极坐标系下黏性流动的拟谱方法
2.
The difference formula of the bi-harmonic equation is derived in the polar coordinate system.
推导出了极坐标系下双调和方程的差分公式,用逐次超松弛迭代法求出圆板平面应力问题的差分解,并和解析解作比较,验证了差分公式的正确性,为解决圆域及其类似区域的平面问题提供了新方法。
3.
A torsion difference scheme of the bar with sectorial cross-section is developed in polar coordinate system.
导出了极坐标系下扇形截面杆件扭转问题的差分格式 ;用逐次超松驰迭代法求出了扭转应力函数差分值 。
5) Polar coordinates
极坐标系
1.
The traditional passive tracking algorithm under polar coordinates and its deficiencies were analyzed.
介绍了极坐标系下的被动跟踪算法及存在的问题 ,并分析了其原因 。
2.
To improve the precision of manual programming in machining complex curves, the author here introduces data interpolation algorithm under polar coordinates to the macro - processing application, and the formulas for calculation of processing step is developed.
针对这个问题,研究了基于极坐标系的数据插补算法在宏程序加工中的应用,并以椭球的宏程序加工为例,给出了加工步长的算法。
3.
To solve the problem that using the information of the robot vision or sonar system can not give good self-localization result,a new self-localization method for autonomous mobile robot(AMR) is proposed under polar coordinates.
为解决仅仅利用视觉系统或者声纳系统得到的信息进行机器人自定位时存在较大的误差的问题,提出了一种极坐标系下进行自定位的方法。
6) polar chart
极坐标地图
补充资料：地极
1.指大地的极远之处。 2.今指地球的南极和北极。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条