rescattering

When PO(Physical Optics)method is used to calculate the scattered field of electrically large objects,the double reflection between two objects should be considered independently.

采用物理光学方法计算电大目标散射场时,模型间的二次散射场需要单独考虑。

Those main factors are discussed,they include: the initial velocity can enlarge the changed wavelength;the bound energy could reduce the changed wavelength;the double Compton scattering and the Compton scattering which produces two photons change the changed wavelength,and the changed wavelength is uncertain,complex and continuous.

康普顿散射中影响康普顿谱线位置的因素是十分复杂的,文章主要针对影响康普顿谱线位置的几个因素作了理论探讨,得出影响因素主要在于:电子具有初速度会增大散射波长的改变量;束缚能的存在要减小峰值波长的改变量;双光子散射和二次散射与谱线峰值位置的关系不大,二者对峰值波长的改变是不确定的、复杂的、在连续的范围内变化的。

After compared with the experiments,they have concluded that the double Compton scattering and the Compton scattering producing two photons can occurr possibly in Compton scattering.

从康普顿散射的基本原理出发,基于能量、动量守恒定律和相对论效应,首先讨论了康普顿散射中的二次散射,得出波长的改变量不仅与散射角有关,还与入射光子的波长(频率)有关;其次讨论了产生双光子的康普顿散射,由于这种散射的复杂性,只选取了两种特殊情形来讨论,得出散射光子的频率不仅与两个散射光子的散射角有关,还与入射光子频率有关,单一频率的入射光子发生双光子散射后,散射光子波长的改变还可能是连续变化的;康普顿散射实验说明二次散射和双光子散射的发生是可能的。

We propose a simple hadronic transport model for investigating the K+/π+ratio in relativistic nucleus-nucleus collisions and point out that the thermal motion of baryons and multiple rescattering effect play an important role in the enhancement of K+/π+ ratio.

提出了一个研究相对论性核碰撞中Ｋ＋／π＋增强的简单的强子输运模型，指出了核子热运动和多次再散射效应的重要性。

Characteristics of gain, amplified spontaneous Raman scattering and double Rayleigh backscattering in a B-DFRA with point defect are studied separately, and the comprehensive effect of the point defect is discussed by equivalent receiver sensitivity.

阐述了考虑传输光纤中存在点缺陷损耗和反射时背向抽运光纤拉曼放大器 (B DFRA)性能的分析方法 ,计算并分析了点缺陷对增益、放大的自发拉曼散射噪声和二次瑞利散射 (DRB)噪声的影响 ,还通过带B DFRA预放器的接收终端等价接收灵敏度讨论了点缺陷作用的综合效果。

Twice Scattering Speckle Patterns Suppression in Laser Projection Display

激光投影显示中二次散射散斑抑制方法

Model for water pollution remote sensing based on double scattering and its application on the Zhujiang River Estuary

基于二次散射的水污染遥感模型及其在珠江口水域的应用

Analysis of Multilayer Film Using RBS/Channeling, Sputtering/RBS and SIMS

多层膜样品的背散射/沟道、溅射剥层/背散射和二次离子质谱分析

transmission type secondary emitter

透射型二次电子发射极

The secondary backscattered electron current is used to modulate the intensity of an electron beam in a cathode ray tube(CRT).

二次电子或背散射电子的电流被用来调制阴极射线管（CRT）中电子束的强度。

secondary emission

ph.1. 【电】二次发射,次级发射

Numerical study on the effect of multiple scattering on upward scattering coefficients and diffuse absorption coefficients of medium in water

多次散射对向上漫射散射系数及漫射吸收系数影响的数值研究

secondary emission multiplier

二次发射电子倍增管

secondary air injection relief valve

二次空气喷射减压阀

Optical Scattering Analysis of the Aberration of the Diffracted Wave of Two-dimensioned Reflection Grating

二维反射光栅衍射畸变的光散射方法研究

Multiple scattering from two-dimensional rough surface with large surface root mean square (RMS) slope is studied with Kirchhoff approximation.

利用基尔霍夫近似研究了表面均方根料率较大的二维粗糙面的多次散射问题。

The discrete coordinate method was used in the computation of multiple scattering.

其中多次散射的计算采用了离散坐标法。

Parameterization of Multiple Scattering Item Based on the Gordon Model

基于Gordon模型的多次散射项参数化研究

Simulation of non-line-of-sight light propagation for multiple-scattering instance

多次散射情况下非视线光传输的模拟

Multiple Elimination Study Based on Wavefields Separation between the Reflecting and the Scattering

基于反射、散射波场分离的多次波消除方法研究

Computer Emulating on EM Scattering of Composite Two Dimensional Targets

二维复杂目标电磁散射的计算机仿真

The Application of Finite Element Method (FEM) in Two-Dimensional Scattering Problem

有限元方法在二维散射问题中的应用

Analysis of Electromagnetic Scattering of Dielectric Cylinder Using MLFIPWA

用MLFIPWA求解二维介质柱电磁散射