propagation factor

The propagation of the atom laser beam with non-conservation quality factor is discussed based on the theory of ABCD formulation of propagation of a time-dependent quantum system.

本文在含时量子系统传播子的ABCD形式理论的基础上，进一步讨论原子激光这种品质因子不守恒系统的传输。

For Bluetooth worm propagation, a determining factor is moving velocity of smart phone in mobile environment.

对于蓝牙环境下智能手机蠕虫病毒的传播, 手机的移动速度是一个重要因素.

The generalized beam propagation factor ( M G 2 factor) of circularly symmetric truncated Laguerre-Gaussian beams is studied using the generalized truncated second-order moments method.

用广义截断二阶矩方法对截断圆对称拉盖尔高斯光束的广义光束传输因子（MG2因子）作了研究，得到了MG2因子的解析公式，并用数值计算例作了说明。

Based on the theory of the second intensity moment, the analytic expressions of the far-field divergence angle, near-field divergence angle, waist width and beam propagation factor of non-paraxial Lorentz beams are derived, and the transform characteristics are discussed.

基于光强的二阶矩理论，得出了非傍轴洛伦兹光束的远场发散角、近场发散角、束腰宽度以及光束传输因子的解析表达式，讨论了它们的变换规律。

To meet the residual strength requirement, it takes the stress intensity factor K1C/ 1. 2 as the termination condition in crack propagation calculation in the article.

为保证剩余强度要求，本文通过在裂纹扩展计算中以应力强度因子达到K（1c）／1.2作为终止条件来实现。

The beam waist width, the waist location in free-space propagation and the M2-factor of EshG beams are also deduced.

得到了复宗量双曲正弦高斯光束在自由空间传输时束腰宽度和位置的解析表达式以及M2因子的表达式。

Attenuation factor of ground wave propagation across the rough sea

随机粗糙海面上地波传播衰减因子

Crack propagation under tensile load and calculation of stress intensity factor

拉伸载荷作用下裂纹扩展及应力强度因子计算

Firstly the track of photons propagation is presented on two-dimensional view. Discuss the relationship between g factor, absorption coefficient, scattering coefficient and energy distribution on tissue surface.

从二维视角形象地给出光子在组织内部的运动轨迹，讨论各向异性因子、吸收系数、散射系数与光能量分布的关系。

This paper solves the transient conduction equation of thermal shock semi-infinite object by Laplace transform and takes the factor of heat propagation velocity into account. To aim at the effect of heat propagation velocity on the temperature we make detailed calculation with material V2A18% Cr.

考虑热量传播速度这一个因素，利用拉普拉斯变换对冲击加热半无限物体的瞬态导热方程进行了理论求解，并以V2A18%C r。