born approximation meaning in English
玻恩近似
玻饵似
波饵似法
博恩近似
Examples
- The born approximation assumes that the incident and the outgoing particle can be described by plane waves .
玻恩近似假定入射粒子和发射粒子都可以用平面波来描述。 - Inversion of circular shaped flaw in rod with inverse born approximation
并研究了表面疲劳裂纹形状演化和裂纹尖端应力强度因子 - Traditional method can be classified two class : linear optimization technique and nonlinear optimization technique , linear optimization technique base on born approximation or rytov approximation is usually used to solve weak scattering problem
线性优化方法采用线性近似忽略了散射体内部的多次散射，可以有效的反演低对比度的问题，但对于高对比度问题的求解则有可能不收敛。 - Angular distributions for some interesting states of 12b and 13c have been experimentally measured in hb ( d , p ) and 12c ( d , p ) reactions . the density distributions , rms ( root mean square ) radii , contributions of outside nucleon , etc . , of the valence neutrons in these states are extracted by dwba ( distorted wave born approximation ) method and anc ( asymptotic normalization coefficient ) method , respectively
实验测量了11b ( d , p )和12c ( d ， p )反应中12b和13c几个感兴趣的核态角分布，分别用dwba方法和anc方法从角分布数据中抽取了各核态外层中子的密度分布、 rms半径以及外层核子的贡献等，对这两种方法作了比较。 - Collisonal quantum interference ( cqi ) was observed in the intramolecular rotational energy transfer in the experiment of the static cell , and the integral interference angles were measured . to observe more precise information , the experiment in the molecular beam should be taken , from which the differential interference angle can be obtained precisely . in this paper , the theoretical model of cqi is described in an atom - diatom system in the condition of the molecular beam , based on the first - born approximation of time dependent perturbation theory , taking into accounts the anisotropic lennard - jones interaction potentials . the method of observing and measuring correctly the differential interference angle is presented . the changing tendencies of the differential interference angle with the impact parameter , velocity , and et al . are discussed
分子内部转动传能的静态池实验观察到了碰撞量子干涉效应( cqi ) ,并且测得积分干涉角,为了获得更加精确的分子内部转动传能的碰撞量子干涉效应信息,实验就必须要采用分子束实验进行.本文理论上采用各项异性相互作用势,应用含时微扰理论的一级波恩近似,假想在分子束实验的条件下,建立在原子-双原子分子体系中碰撞量子干涉的理论模型.理论上推导出微分干涉角具体表达式,通过计算定性地讨论了微分干涉角随着碰撞参数、速率等的变化趋势,同时初步探讨了实验的正确观测途径,得出了采用分子束进行实验观测的实验方法,为进一步进行分子束实验提供了理论基础,对实验的进行起到了一定的借鉴作用