毫米波介质透镜天线是一种高方向性的口径天线。
Millimeter-wave dielectric lens antenna is a kind of aperture antenna with high directivity.
文中分析可用于焦面阵成像的扩展半球介质透镜。
This paper analyzes extended hemispherical lens, which can be used in focal imaging.
主要分析了介质透镜天线和卡塞格伦天线在毫米波探测系统中的使用。
Mainly analyzing the using of dielectric lens antenna and cassegrain antenna in MMW detection system.
本论文应用红外热成像技术，对毫米波介质透镜天线的焦斑焦距进行了测量。
By infrared thermal imaging techniques in this thesis, the focal spot size and focal length of this dielectric lens antenna are measured.
给出了计算阵列透镜配相、介质透镜外形曲线和平面相控阵天线孔径相位的若干计算公式。
Many formulae used to calculate fixed phase distribution for the array lens, configuration curve of the dielectric lens and aperture phase of a feed phased array are derived.
龙伯透镜天线是一种球形的分层介质透镜天线，其主要特点是能够把入射波聚焦到球表面一点。
Luneberg lens antenna is a spherical layered medium lens antenna, and its main feature is its capability of focusing the incident wave to a point on the spherical surface.
推理分析了左手性介质透镜处球形界面的负折射规律，并依此表明了常用光学公式仍适用于左手性介质。
Analytic calculation of the negative refraction at the spherical surface is conducted demonstrating that the usual optical formulas still hold true for the LHM lens.
该透镜由任意旋转曲面形阵列或介质材料构成。
The lens consists of an array with any curved surface of revolution, or of dielectric material.
本论文对飞秒脉冲光束通过自由空间、线性色散介质和单透镜的传输特性作了深入研究。
The present thesis is devoted to studying the propagation of femtosecond pulsed beams in free space, linear dispersive media, and through lenses.
实验采用凸平直线非稳腔，将凸面镜和增益介质热透镜效应等效为望远镜系统进行分析。
In the experiment we used convex-plane unstable resonator, and analysis the convex mirrors and gain medium thermal lens as a telescope system.
提出并优化了由单排渐变介质波导构成的二维空气孔型光子晶体负折射平板透镜表面的减反层，改善了成像质量。
We propose and optimize the antireflection coating composed of a row of tapered dielectric waveguides for two-dimensional air hole-type photonic crystal negative refraction slab lens.
同时讨论了异向媒质电磁参数与理想完美透镜条件的偏差对异向介质对倏逝波恢复作用的影响。
The effect on this restoration caused by the deviation of the electromagnetic coefficients from the "perfect lens" conditions was discussed.
这种设计方法不仅对于单片轴向梯度折射率透镜，而且对于同时包括均匀介质元件的光学系统也是很方便的。
The use of the method is not limited to simple lenses with gradient indices. It can also be used conveniently in the design of systems having homogeneous-medium elements.
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。
Unique optical properties of the simple lens composed of left-handed material (LHM) are reasonedly studied here according to Geometrical Optics.
从薄透镜的焦距公式出发，讨论了各种透镜在不同介质中的会聚与发散性质。
From the focal distance formula of thin lens, the convergence and divergence nature of each kind of thin lens are discussed in different media.
为了实现对介质的高效抽运，将空心透镜导管应用于大口径高功率激光二极管阵列耦合系统。
The hollow lens duct is introduced for the application in the coupling of pump radiation from extended two dimensional semiconductor laser diode arrays into solid state laser gain media.
用聚焦透镜和介质池取代激光器的后镜，可自动成腔输出激光。
With the focusing lens and the medium pool replacing the back mirror, auto cavity-forming and laser output are realized.
从共轴球面系三对基点的概念出发，给出了前后介质都是空气的薄透镜组和厚透镜的基点位置的简易解法。
The locations of cardinal points of coaxial spherical system is defined by the conception of three pairs of cardinal points of coaxial spherical system in the air co-medium.
分析了对固体激光介质热效应有重要影响的工作物质、泵浦源，研究了热透镜产生的原因。
We research the issue of heat effect in the laser medium, analysis the work of substances, pump source, the cause of thermal lens which has an important impact on solid-state laser medium heat effect.
分析了对固体激光介质热效应有重要影响的工作物质、泵浦源，研究了热透镜产生的原因。
We research the issue of heat effect in the laser medium, analysis the work of substances, pump source, the cause of thermal lens which has an important impact on solid-state laser medium heat effect.
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