2) homogeneous medium
均匀介质
1.
In the first step,through using the formula of the conformal transformation,a continuous medium with regulation boundary in original area could be transformed to a homogeneous medium with anomalous boundary in complex area,so the new constant velocity field could be more adapt to the current Stolt migration's conditions.
首先,利用保角变换法可将不规则边界的单连通区域转变成规则边界的原理,将规则边界的连续介质场转变成不规则边界的均匀介质场,使该均匀介质场更适应现有Stolt等偏移方法对速度场的要求;其次,对改变了区域的模型地震记录进行常规的偏移成像处理;再利用推导出的反变换公式对成像结果进行反变换,得出模型的真实偏移成像结果。
2.
An analysis was conducted on the structures of these two elements based on equivalent homogeneous medium theory,obtaining the electromagnetic characteristic parameters of these two structures in the case of negative refractive index,including relative wave impedance,refractive index,relative permittivity and relative permeability.
基于等效均匀介质理论,对2种H型的单元结构进行了分析。
3.
The data processing is base on assuming that the prospecting field is homogeneous medium,and it use High-distinguished direct current method.
数据处理基于假设地下为均匀介质,采用类似高分辨直流电法。
4) uniform medium
均匀介质
1.
A simple method for measuring refractive index of uniform medium has been reported.
介绍一种测量均匀介质折射率的简单方法,该法不受样品尺寸限制,加工精度要求低,而且测量过程简单。
5) heterogeneous medium
非均匀介质
1.
Calculation of electric field response in the heterogeneous medium using the transmission line method;
用传输线模型法计算非均匀介质中的电场响应
2.
Using the pseudo-spectral method for wave field numerical modeling of complex heterogeneous medium;
复杂非均匀介质伪谱法波场数值模拟
3.
Under a rotational symmetry distribution geometrical condition of 2 heterogeneous mediums where only invasion zone and original formation are considered,the investigation depth in this paper is defined as the invasion radius where the relative contribution rate of the invasion zone and the original formation to the measured apparent resistivity response is 50% each.
在只考虑侵入带和原状地层旋转轴对称分布的2种非均匀介质的条件下定义侵入带和原状地层对测得的视电阻率的相对贡献各为50%时的侵入带半径为其探测深度。
6) Inhomogeneous medium
非均匀介质
1.
Solution to the flow problem of Bingham fluid in inhomogeneous medium with the green element method;
使用GEM求解Bingham流体在非均匀介质中的渗流问题
2.
In order to study laser propagation in inhomogeneous medium,Collins formula was improved by using time inversion characteristic of optic phase conjugation wave.
为了解决非均匀介质中的光传输问题,利用光学相位共轭波的时间反演特性,实现了对克斯林衍射积分公式的改进。
3.
Using a novel approach, the analytic expressions of the chain scattering parameters (T-parameters) for the symmetric coupled three-line in inhomogeneous medium (SCTLIM) are derived in this paper for the first time.
采用新的方法推导出非均匀介质中对称耦合三线的传输矩阵 ( T参数 )解析表达式 ,给出了以正规模式参量描述的 T参数表达式。
补充资料：柱介质的磁场特性
柱介质的磁场特性
magnetic field characteristics of column matrices
ZhuJ}eZhi dee一ehang texing柱介质的磁场特性(magnetic fie一d。harae-teristies of eolumn matriees)两磁极之间的柱形磁介质周围磁场的分布规律。对于单根圆柱形磁介质的磁场特性，用下述方法确定，即将一横截面半径为r。的长直圆柱体置于磁感应强度为B。的均匀磁场中(见图)，由于其轴向长度远大于横截面的半径，在对轴向中间区段的磁场进行分析时，可忽略其两端的边缘效应，理想化为两维场。设圆柱内外介质的磁导率为召，和户:，并以庐1和笋2表示圆柱体内外的磁位函数。由于柱内外无电流是无源无旋场，所以磁位应满足拉普拉斯方程，用分离变量法解拉普拉斯方程，得柱介质外‘_{’，，〔r.a) 岁参x 圆柱形磁介质磁感应强度计算图距柱表面y处的磁感应强度为 n，，.产，一产。端、n B=(1+~份)B。 一、一’内+内r:，一。磁场梯度(gradB)为 丝__。己址二卫旦丝D 二云~一2一‘苦B。 d了“内+脚尸~”磁场力为 。，n。n，八.产1一产:咔、，产1一产2、嘴 丑grad刀=一ZB舌(i+号下于号)(导下于)号 一”---一一””一’产1十儿尸、产1+产2尸 对于单根矩柱形和多边柱形磁介质的磁场特性难以得出解析式，只能用数值计算法确定磁介质周围的磁场分布规律。对于多根磁介质间的磁场分布采用矢量迭加法确定。 (孙仲元)
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