For the purpose of inspection, the evaluated TEC values are compared with the observations of the incoherent scattering radar deployed at same place; 然后,用同一地点非相干散射雷达观测值以及国际参考电离层模型分别对本方法进行检验。
By means of ab initio molecular dynamics simulations we firstly reproduced the two optic peaks at 27 and 36 meV in the inelastic incoherent neutron scattering ( IINS) spectrum of ice Ih. 我们应用第一性原理的分子动力学模拟方法首次重复出了冰Ⅰh的非相干非弹性中子散射谱中的两个氢键振动峰。
Then based on Kirchhoff approximation theory, the formula of the coherent and incoherent scattering intensity of plane wave from two dimensional dielectric normally distributed rough surface are derived, and the scattering intensity of a planar, rough surface of unit area. 然后从粗糙面散射Kirchhoff标量近似理论出发,得到了平面波对高斯分布的二维随机粗糙面的相干散射和非相干散射强度表达式,并给出了单位面积粗糙面非相干散射的表达式。
Owing to the effect of particle correlation, the total cross section of radiation incoherent scattering in a plasma equals the Thomson scattering cross section multiplying a form factor. 等离子体中粒子关联效应使辐射在等离子体内非相干散射的总截面等于汤姆逊截面乘上结构因子。
Then, we detail the double scattering theory and the multiple scattering theory of the diffuse backscattering based on the incoherent light assumption. From the two theories, the effective Mueller matrix of the diffuse backscattering of polarized light from highly scattering media is obtained analytically. 详细讨论了基于非相干性假设的偏振光后向扩散散射的双散射理论和多散射理论,并以此给出了偏振光后向扩散散射有效Mueller矩阵各元素的数学表达式。
The electron mass is measured, and the linewidth of the coherent scattering is analyzed. By measuring the incoherent scattering photon energy, the incoherent scattering differential cross-section can be calculated. 测量了电子质量,分析了相干散射线宽,测量了非相干散射光子的能量,算出了非相干散射微分截面,给出了Θ~Θ+dΘ内散射光子微分截面与散射角关系。
The new equation involves the old one as its special form in the case of incoherent scattering. 旧的雷达气象方程是新方程在云雨质点互相独立时的特殊表现形式。
In this dissertation, the mechanism of the hydrogen bond in ice and the amino acids hydrate has been investigated by ab initio molecular dynamics simulations combined with inelastic incoherent neutron scattering technique. 本文应用第一性原理计算方法,并结合中子散射实验手段,对冰的氢键及氨基酸水合体系中的氢键作用机制进行了研究。
The coherent and incoherent scattering cross sections of paraxial Gaussian beam scattering from arbitrarily shaped rough object with electric large size are studied and the calculated formulas are derived using plane wave spectrum expansion and physical optics approximation. 采用平面波谱展开法和物理光学近似,从理论上推导出傍轴高斯波束对任意形状电大尺寸粗糙物体的相干与非相干雷达散射截面理论计算公式。
Then the incoherent scattering field is calculated and analyzed to obtain the electromagnetic parameters for the distribution of the railway ballast. 通过对该散射场的处理,提取出道碴的非相关散射场,然后再对该非相关场进行分析,得出了可描述道碴分布状况的电磁参量。
Characteristics of scattering by a statistically rough surface with the Neumann boundary condition for small grazing angles is studied by using small perturbation theory. Incoherent scattering cross section is derived. 基于统计微扰理论研究了低掠射角时具有诺曼边界条件的粗糙面的散射特性,导出了非相干散射截面与掠射角的关系。