We have investigated the guide modes in two kinds of two_dimensional photonic crystal heterostructures by using the plane wave expansion method combined with the supercell technique.
利用平面波展开方法与超原胞方法研究了两种不同晶格的光子晶体异质结的界面态。
The next topic is camera calibration and we give an ordinary way to calibrate and two calibration method of using one model plane.
首先介绍摄像机的透视投影模型，并讲述了普通摄像机标定的方法和两种平面模板的标定方法。
To solve the problem, we put forward a method that can calculate the angular vector between two vectors in a plane rapidly.
为了有效解决该问题，提出了一种能够快速求解同一平面内两个向量之间角度矢量的方法。
In the transformation of descriptive geometry, no matter the method of change plane or revolve, the oblique line can be changed to a vertical line in two successive transformations.
在画法几何投影变换中，不论用换面法或旋转法，一般位置直线均需两次变换才能变成投影面垂直线。
A new optical method of temperature field measure using image plane hologram with two times of exposure is presented.
提出了一种新的测量温度场的光学方法，即像面全息二次曝光法。
The recent potential flow theory and finite-difference method are applied to generate orthogonal numerical grids and to compute two-D plane flow fields.
运用新近的解析-数值势流理论方法，生成正交数值网格，用差分法计算出平面二维流场。
The intersection visibility rule of a line and general plane was concluded and a new judge method on intersection visibility of two general place planes was also put forward in this paper.
同时，阐述两平面相交交线的空间位置情况，从而得出两平面相交可见性判断的新方法。
Group disconnecting method was used to analyse the program design for the two-degree freedom plane multi-bar mechanism.
本文介绍了对双自由度平面多杆机构运动分析的电算程序设计。
In addition a feasible method of finding out velocity instant centers of plane mechanisms for two degrees of freedom can be obtained by means of combining net gr...
另外，网络图与相对运动图解法结合得出了求解二自由度平面机构速度瞬心的一种可行方法，这类机构的速度瞬心单纯采用三心定理是不可能求解的。
The gas and particle phase in the gas solid two phase plane mixing layers flow is numerically simulated using the discrete vortex method and trajectory method respectively.
对气固两相平板混合层流动，采用离散涡方法模拟气相场，轨道法跟踪颗粒的运动。
The effects of velocity ratio of free streams on the particle sedimentation in liquid-solid two phase plane mixing layer are studied by flow visualization method.
本文采用流动显示的方法对平板混合层中上下层流体速度比对固体颗粒在混合层中沉降的影响进行了研究。
After analysing manifold color clustering methods, we present two unsupervised methods based on 2-d chroma plane, i. e, the density-based triangulation method and the GA-based optimization method.
在分析了多种颜色聚类方法的基础上，提出了2种无监督的二维色度平面颜色聚类方法：基于密度的三角化方法和遗传算法优化方法，并通过实验对2种方法进行了比对分析。
The mutiple-solution phenomenon of steady transonic flow about two-dimensional plane cascade using the Time-Marching method for the Euler equations is examined.
本文用时间推进法求解欧拉方程组计算二维平面叶栅绕流问题数值实验是否有多重解现象。
This paper presents the integrated evaluating method of line error in a plane by two endpoint and least square method.
给出了用两端点法、最小二乘法对平面内的直线度进行综合评定的方法。
A new effective data-fusion method is presented, which can eliminate the errors by using double sensors. First, the two sensors′ images are mapped into the light knife plane;
基于此，提出了一种采用双传感器，并将两个传感器图像映射到光刀平面上，然后再对其进行面内融合处理最后提取中心线的方法。
For single block mechanism, such as plane and log-spiral slip surface, the validity of this method has been verified by a typical two-dimensional example.
采用平面和对数螺旋滑裂面的单滑块机制，对典型的二维土压力问题进行分析，其结果说明该方法的有效性。
The method is based on two problems of the plane elastic theory.
此法以平面弹性力学的两个问题为基础，而此两问题的解是已知的。
Though a remarkably simple method, the two newly weds holding hands secures the picture plane in firm unity and poise.
两名手牵手的新人以合一与平衡紧扣起整个画面，画者所用的方法却是非常的简单。
Then use Plane pattern two-step method to solute camera parameters, which include camera internal parameters, camera external parameters and camera distortion parameters.
然后依据平面模板两步法进行参数求解，获取了摄像机的内部外部参数以及畸变参数的最优解。
The photonic band structures of two-dimensional square compound lattices made of two kinds of dielectric cylinders are calculated by the plane-wave method.
由一个正方介质柱和两个圆介质柱构造一个二维正方复式晶格的光子晶体。应用平面波展开的方法研究了光波在其中的传播规律。
Plane wave expansion techniques and transfer matrix method are used to study the two-dimensional photonic crystal with a triangular lattice of dielectric cylinders in air.
提出了用正、负折射率介质层交替排列构成的一维光子晶体模型，并且用传输矩阵法计算了该模型的透射谱，从理论上分析了其带隙结构。
Plane wave expansion techniques and transfer matrix method are used to study the two-dimensional photonic crystal with a triangular lattice of dielectric cylinders in air.
提出了用正、负折射率介质层交替排列构成的一维光子晶体模型，并且用传输矩阵法计算了该模型的透射谱，从理论上分析了其带隙结构。
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