这种声学反常行为可以用均匀弹性应变场与软模坐标涨落的非线性耦合来解释。
The conclusion is that this acoustic anomaly may be interpreted by nonlinear coupling of the elastic strain field to the fluctuation of the soft-mode coordinate.
采用坐标变换方法，将物理平面中任意几何区域上的非均匀网格剖分映射到计算平面中规则区域上的均匀网格剖分。
In this paper, an one to one maping is used to transfer an arbitrary domain and a nonuniform grid on it in physical plane to a rectangular domain with a uniform grid in computational plane.
坐标转换简化为投影点与投影平面均匀三角网格之间的空间关系。
The coordinate transformation can deduce to locate a point into the evenly triangle network.
在直角坐标系中分别表示出了均匀带电椭圆形环在中心轴线上任意位置处的电势及电场。
In the rectangular coordinate system, we express the electric field intensity and different position electric field energy of the elliptical ring with positive electric charge in the central axis.
通过采用对数极坐标映射，可将空间均匀取样得到的图像变换成非均匀取样的图像，从而减小冗余像素，压缩了搜索空间。
An uniform sampling image can be transformed to a space variant sampling image by log-polar coordinate mapping which reduces the searching space and redundant pixels.
计算结果证明，当采用非均匀圆柱坐标系下FDTD法计算时，圆柱坐标系下网格波阻抗可以较准确地计算由于网格尺寸不同造成的数值反射误差。
The results showed that MWI in cylindrical coordinates can be used to accurately calculate the numerical reflection error caused by different mesh increments in non uniform FDTD.
在均匀格点的基础上，给出了基于柱坐标的全矢量非均匀格点有限差分方法(FDM)，并采用了完美匹配层(PML)边界条件。
A general formula is derived for a finite-difference method (FDM) with non-uniform grids in a cylindrical coordinate system, and a perfectly matched layer (PML) is used for the boundary treatment.
结果表明，极坐标投影法可以得到无干涉的五轴加工刀位数据，并可以获得均匀变化的刀轴矢量。
The results show that the interference-free tool path can be generated with polar projection method and the even variable cutter axis vector can be obtained.
本文用球坐标和椭球坐标计算了处于均匀外场中的介质球和介质椭球的场，其内部的场都是与外场方向相同的均匀场。
The paper presents electric field of dielectric sphere and ellipsoid in homogeneous electric field, with spherical and ellipsoidal coordinates.
根据其优化思想 ，在非均匀笛卡尔坐标系网格条件下 ，推导得到了更为通用的GODRP格式优化系数公式。
In this paper, the derivation and formulation of the GODRP scheme were improved for non-uniform Cartesian grids in a more general form.
首先提出在直角坐标系下将天球球面均匀地分成486个分区的方法——“内接正方体法”，实现导航星的快速检索。
With 486 partitions, an equal partition method of celestial sphere without overlap is firstly presented to speed up guide star indexing.
在直角坐标系中分别表示出了均匀带电椭圆形环在中心轴线上任意位置处的电势及电场。
The new solution of an electric potential and an electric field distributions for a charged electric conduct ring.
文章介绍了一种简捷的快速直线插补新算法，两个坐标轴可实现同时进给，插补速度较快，均匀性好，偏差判别式的计算方法简单。
To satisfy the high speed, high precision, high efficiency and high reliability of CNC system, a new line interpolation controller was designed in this paper.
文章介绍了一种简捷的快速直线插补新算法，两个坐标轴可实现同时进给，插补速度较快，均匀性好，偏差判别式的计算方法简单。
To satisfy the high speed, high precision, high efficiency and high reliability of CNC system, a new line interpolation controller was designed in this paper.
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