The image formation of luminor body by lens is studied using geometrical optics.
采用几何光学对三维发光体的透镜成像问题进行了研究。
Topics covered in geometrical optics include: ray-tracing, aberrations, lens design, apertures and stops, radiometry and photometry.
涵盖的主题包括：几何光学射线追踪，畸变，镜头设计，孔径和停止，辐射计和光度法。
It is shown that the geometrical optics model can not be used to describe the object-image transformation of Gaussian beam through the lens under the general case.
结果表明，在一般情况下，几何光学模型不能描述高斯光束经这种透镜的物像变换。
If we consider light from the point of view of geometrical optics, we would expect sharp, well-defined shadows to appear behind the edge of an opaque obstacle.
从几何光学的观点出发，我们预期在不透明障碍物边缘的后面将得到明显清晰的阴影。
The Gauss's formula in Geometrical optics derived without relying on specific mechanisms such as reflection and refraction.
几何光学中高斯公式的推导可以不依赖象反射和折射这些特定的基本原理。
Geometrical optics approach can only calculate the high frequency approach solution of drilling bit vibration source wave equation in non caustic area but it become invalid in caustic area.
由于几何光学法求解钻头震源波动方程的高频近似解有局限性，即在焦散区失效，故只能计算非焦散区的高频近似解。
The present research is carried out in combination with disciplinary education under the guidance of constructivist learning theory in one specific domain — geometrical optics.
本研究是在建构主义学习理论指导下，结合物理学科中的一个具体领域——几何光学进行的一个尝试。
In this case, geometrical design methods are inadequate, but current physical optics methods are too slow.
在这种情况下，几何光学的设计方法已经无能为力，但是，现阶段的基于物理光学的计算速度太慢。
We introduce the application of matrix method in geometrical optics by dealing spherical refraction system with matrix method.
本文用矩阵处理球面折射系统光学问题来介绍矩阵方法在几何光学中的应用。
From the geometrical optics transformation matrix and the approach of Jones matrix, a matrix method was deduced to treat the light transfer of polarizer.
从几何光学变换矩阵出发，结合琼斯矩阵，导出一种新的处理偏光器件光线变换的矩阵方法。
Complex ray theory, based on geometrical optics, has been found to have many applications in areas of laser, microwave, acoustics, seismology etc.
以几何光学为基础的复射线理论已在激光、微波、声学和地震波等学科领域获得了广泛应用。
These three laws form the basis of what is called geometrical optics.
这三条定律构成了所谓几何光学的基础。
The general theory and methods from geometrical optics to measure the dimension of an object were applied to design a diameter measuring system, which was based on a linear array image sensor.
运用几何光学测量物体尺寸的理论和方法，设计了一种基于线阵图像传感器的线径测量系统中的成像系统。
A theoretical model of laser phase - doppler sizing anemometer based on the geometrical optics approximation of light scattering is studied.
研究和建立了以几何光学近似光散射理论为基础的激光相位多普勒空间干涉条纹模型。
On the basis of theories of physics, geometrical optics and photometry, the optical properties of collimated light beam incident upon single fiber perpendicular to the fiber axis are studied.
结合物理学的基本原理和几何光学的基本规律以及光度学的基础理论等三方面，研究了单纤维在平行均匀光束垂轴入射时的光学性质。
The light scattering characteristics of particles in phase Doppler sizing anemometry is calculated with a theoretical model based on geometrical optics approach.
应用几何光学近似理论模型计算了激光相位多普勒系统中微粒的光散射特性。
Comparing the shape design method that is in common use currently, deducing the physical and geometrical optics theory, this article advanced a direct-shape method for the reflector.
本文综合比较了目前常用的赋形设计方法，并通过物理光学、几何光学理论公式的推导，提出了一种反射面直接赋形的方法。
In design of anechoic chamber with higher quality, when requirements of quiet zone index are higher, it must use the geometrical theory of diffraction instead of the geometrical optics for accuracy.
在高性能微波暗室技术设计中，由于静区指标较高，采用一般的几何光学技术不能进行准确计算，因此需采用几何绕射理论技术。
The author explores the solution to the best time problem according to three ways of thinking, including basic trigonometric identity, geometrical optics of physics and Geometer's Sketchpad.
利用基本三角恒等式、物理学中几何光学知识和几何画板软件等三种思维方法，来探讨一个最短时间问题的解法。
Based on geometrical optics theory, the re-radiation is analysed by using aperture field method.
根据几何光学理论，利用孔径场法进行了分析。
Instead of the geometrical optics approaches, the Monte Carlo photon tracing method was used to analyze the structure design of flashlight.
不同于基于几何光学理论的闪光灯计算和设计方法，采用了蒙特卡罗光子追迹法来分析闪光灯的结构设计。
From the theory of light diffraction and geometrical optics, aperture diffraction near the focal plane of microscope objectives and imaging on the image plane are studied.
从光的衍射理论和几何成象理论出发，分析研究了显微物镜焦平面附近小孔光栏的衍射和象平面位置上的成象。
The high-frequency approximation solution that includes the caustic region is obtained with the method combining the geometrical optics.
解决了几何光学法无法在焦散区求解的问题。
The perfect focusing concept is proposed in lenses made of Left handed materials (or negative index materials) by means of geometrical optics.
从几何光学理论证明了，在左手系材料（负折率材料）透镜中存在完善聚焦的概念。
Unique optical properties of the simple lens composed of left-handed material (LHM) are reasonedly studied here according to Geometrical Optics.
利用几何光学方法研究了由左手性介质制成的简单透镜的光学特性。
This paper expounds the theory of magnetism lens. According to the theory, the formula and geometrical optics theory, the writer finds out a way that can decide the position of magnetism lens.
阐明了磁透镜原理，依照磁透镜理论和几何光学理论，给出一种确定磁透镜位置的方法。
In this paper, the structure and optical design principle of Fresnel lens is analyzed in detail. The Fresnel lens with the knowledge of geometrical optics is designed and the formula is derived.
本文应用几何光学知识对菲涅耳透镜的结构进行了详细的光学设计，推导出相关参数的计算公式。
The cardinal point and cardinal plane play an important role in the geometrical optics and are widely used in modern photography and video technology.
透镜组的基点、基面在几何光学中占有重要的地位，并在现代摄影、摄象技术中得到了广泛应用。
The cardinal point and cardinal plane play an important role in the geometrical optics and are widely used in modern photography and video technology.
透镜组的基点、基面在几何光学中占有重要的地位，并在现代摄影、摄象技术中得到了广泛应用。
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