自由空间

This paper presents a walking planning method based on Configuration Space Algorithm, as well as representation of virtual environment.

提出了一种基于自由空间法和环境离散化表示的虚拟人行走规划方法。

The far-field analytical expressions for the electromagnetic fields of a cylindrically polarized vector beam propagating in free space are obtained based on the vector angular spectrum and the method of stationary phase.

基于矢量角光谱法与静态位相方法，推导出了矢量圆柱偏振光束在自由空间传输的电磁场的远场解析表达式。

The comparison of simulative and analytical results of the beam distribution in free space shows good consistency.

束流在自由空间分布的仿真结果与解析结果保持较好的一致性。

The simulation results of some examples illustrate the application and the effectivity of this method.

自由空间的线天线的矩量法公式描述如式（1）所

We need to allow Christ fully into our lives and provide Him elbowroom to wholly re-arrange our lives.

我们需要让基督完全进入我们的生活，给他自由空间重新安排我们的生活。

Large free space, and unlimited source of fascination for people, this is probably ONE of the unique.

超大的自由空间，与人无限的遐想，这或许是ONE 的独特之处。

Quantum communication is the most developed field, including through fiber and free space mediums.

量子通信是量子信息学中发展最快的一个方向，有光纤和自由空间两种实现的技术路线。

Coaxial cable, optical fiber, and even free space can carry network signals.

同轴电缆、光纤，甚至自由空间都能传递网络信号。

At last the structure tolerance of the expand core fiber is studied. And then the optical coupling efficiency imposed by the position of Gaussian beam on the grating is discussed by comparing the Gaussian beam output from expand core fiber, single mode fiber and free space Gaussian beam with waist radius of 16 microns.

最后分析了扩束光纤的结构容差，并讨论了所设计扩束光纤的输出光束、单模光纤的输出光束以及束腰半径为16 μm的自由空间高斯光束各自在光栅表面的位置变化对光栅耦合效率的影响。

Numerical dispersion characteristic and impedance relationship of three dimensional perfectly matched layers are analyzed under finite difference approximation in this paper, respectively, which show that numerical dispersion relationship of PML is different from that of the FDTD equations and the impedance of homogeneous PML medium is the same as that of free space.

本文分别分析了有限差分近似下三维理想匹配层的数值色散特性和阻抗关系，分析表明，理想匹配层的数值色散关系有别于时域有限差分方程的数值色散关系；有限差分近似下，均匀理想匹配层媒质的阻抗和自由空间的阻抗相同。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。