Fresnel s plate can focus incident rays, producing very strong brightness, the function of which resembles lens forming images.
菲涅耳波带片可使入射光会聚起来，产生极大的光强，使点光源形成一系列的实像点和虚像点，其作用如同透镜成像。
Based on the theory of spatial axisymmetrical elasticity, the theoretical solution of a normal force acting at the free surface of two bonded dissimilar coating materials with the same thickness was deduced by introducing mirror point method and the fundamental solution of a semi-infinite body suffering a concentrated force.
基于三维轴对称弹性理论,通过利用镜像点方法和半无限体表面受法向集中力作用的基本解,推导了等厚双层涂层材料受法向集中力作用的显式理论解。
The theoretical solution of a concentrated force acting on the free surface of coating materials with two same thickness layers has been deduced by introducing mirror point method and Dirichlet uniqueness theorem.
利用镜像点法和Dirichlet等值性原理,本文推导了等厚双层薄膜涂层材料受表面集中力作用的平面问题理论解。
This fundamental solution has been given in the form of Love s displacement functions, which are defined in the local coordinate systems with their origins placed at each mirror point.
基于三维轴对称弹性理论,利用镜像点方法,给出了无限板表面受法向集中力作用的显式理论解。
Many measuring matters of CCD, can be reduced to accuracy measuring pixel positton on CCD introducing a desire about the principle and implement of the method of measuring pixeled position of linear CCD based on CPLD;timing simulation of circuit being processed on the MAX+PLUSⅡand testing the download.
CCD(电荷耦合器件)在许多测量问题中,可归结为CCD上像点位置的精确测量;介绍了一种基于CPLD(复杂可编程逻辑器件)设计的测量线阵CCD像点位置电路的原理及实现方法;用MAX+PLUSⅡ软件进行了电路时序仿真分析,并进行了下载测试。
The guidance law of photos pot in mirror is presented.
提出了镜面像点制导规律的基本原理,针对存在的缺陷给出了它的改进形式,进行了理论分析,并与三点法制导规律做了比较。