ray theory

Ronchi cured bars of large paraboloidal mirror are computed from light ray tracing and third-order aberration theory.

由光线造迹和三级像差理论计算大抛物面的Ronchi弯线条。

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To introduce the theory and calibration ways of γ-ray level meter when troubles take place. The factors affected radiant intensity that γ-ray detector receives are analyzed.

从γ射线液位计校准时发生的故障着手，扼要叙述了γ射线测量的原理、校准方法，并对影响检测器接收γ射线辐射强度的因素进行了分析。

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Based on the theory of airborne gamma-radiation from a rectangular radiator, we study and test a terrain correction method for airborne gamma-ray energy spectrometry under complex topographic conditions.

应用矩形辐射体航空伽玛辐射场理论，研究应用于复杂地形条件下的航空伽玛能谱资料的地形改正方法，并针对该方法进行验证。

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Attribute set; superlattice using dynamical theory and kinematical theory of X-ray diffraction

半导体超晶格属性的高分辨率X射线衍射研究

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Two ways of analyzing optical waveguide that are wave theory and optical ray theory are formulated.

本文介绍了分析光波导的两种方法:波动理论和射线理论.

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Introduction to the theory of x-ray microanalysis through the electron microprobe including ZAF matrix corrections.

利用包含ZAF基体修正的电子探针,介绍 X 射线显微分析的理论.

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To explain the phenomena, on the basis of ray-mode reverberation theory and three-dimensional scattering model, the expressions of the bistatic reverberation loss and the vertical correlation are put forward.

为了解释这一现象，根据浅海混响的射线简正波理论，结合三维海底散射模型，给出了浅海异地混响衰减和混响垂直相关的一般表达式。

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The Approximate Analysis of Arbitrarily Curved 2-D Radomes by Complex Ray Theory

任意曲面二维天线罩的复射线近似分析

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The basic theory of FDTD was illustrated and the ray solution was used as the excitation for FDTD. Therefore, absorbing boundary conditions were established for the two dimensional and three dimensional cavities in the hybrid method.

研究了FDTD方法的基本理论，讨论并给出了混合方法中将射线解耦合为FDTD激励的方法，分别建立了二维和三维情况时所选择的吸收边界条件的FDTD格式；

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A new technique for X-ray stress measurement has been introduced. The formula of calculating stress are inferred according to the theory of X-ray diffraction and the geometry of back-reflection for X-ray area detector, called an imaging plate ( IP).

介绍了一种X射线应力测试新技术，基于X射线衍射原理与影像板平面探测器背反射几何，推导出应力测试基本公式，并列举了应用实例。

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Ray Theory of Intermodal Dispersion for Gradient-index Fiber

自聚焦光纤模间色散的射线解法

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