非相干散射

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。

For the purpose of inspection , the evaluated TEC values are compared with the observations of the incoherent scattering radar deployed at same place ;

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。

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 .

本文用美国NCAR非相干散射雷达链的观测资料进行了两个事例分析。

Observations from NCAR Incoherent Scatter Radar Base are used for case study of the dynamic and electrodynamic coupling .

同一马氏体晶粒中具有相同孪生面的孪晶，尽管其具有相同的电子衍射谱（EDP），但它们在电子衍射中却是一些非相干散射体。

Although the twins in a martensite grain corresponding the same twinning plane exhibited the same EDP , the electron waves from these twins were noncoherent scattering each other .

本文扼要回顾大功率雷达（非相干散射雷达及MST雷达）探测地球大气有关的主要问题，包括探测技术的进化发展及主要探测成果。

A review of the principal aspect of the powerful radar ( Incoherent Scatter Radar and MST radar ) probing of the atmosphere is given . Both the developments of sounding technique and main results are presented .

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。

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 .

针对广义平稳非相干散射（WSSUS）多径时变信道，提出一种离散延迟-离散多普勒频率的频移滤波器组模型，并以此为基础提出一种时变多径信道仿真方法。

A " frequency shifted filter bank " model with discrete delay and discrete Doppler is derived for wide-sense stationary uncorrelated scattering ( WSSUS ) time-variant multipath channel , based on which a simulation method is constructed .

高纬极区电离层非相干散射功率谱的模拟

A Computation of Incoherent Scatter Spectra in the High-latitude Auroral Ionosphere

X-射线荧光分析散射幂函数法的原理及其应用Ⅱ.非相干散射

Principle and Application of Scattering Power Function Method in X Ray Fluorescence

非相干散射谱研究及其在电离层加热中的应用

Study on the Incoherent Scatter Spectra and Its Application in the Ionospheric Heating

麦克斯韦分子碰撞下的离子分布函数及其非相干散射谱的计算

The Ion Distribution Function From Maxwell Molecule Collision Model and Calculations of Incoherent Scatter Spectra

相干散射和非相干散射

Coherent scattering and non-coherent scattering

线谱声源随机运动和随机海洋信道引起的非相干散射

Non-coherence scattering caused by random move of sound source with line spectrum and random ocean sound channels

非相干散射电离层探测

Incoherent scatter ionospheric sounding

用非相干散射雷达链的观测资料研究高、低纬电离层间的耦合

A study of the coupling between high and low latitudinal ionospheres using observations from incoherent scatter radar link

本文利用欧洲非相干散射雷达数据，分析研究了电离层不同等离子体参量对大气重力波的响应之间的关系。

Relationships between ionospheric responses to atmospheric gravity waves in different plasma quantities are investigated with the help of European Incoherent Scatter radar data .

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。

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 .

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 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 .

由于非相干散射雷达和电离层加热的发展，这些问题已经成为利用非相干散射雷达研究电离层的热点问题之一，亟待解决。

With the development of the incoherent scatter radar and the ionospheric heating , this field has become one of the hot topics in ionospheric study using the incoherent scatter radar , and is in urgent need for further study .

据此，编写了四种类型高聚物非晶态相干散射峰的拟合子程序，以及四种类型半结晶高聚物X射线衍射重叠谱图的分峰子程序。

As four kinds of fitting subprograms of the coherent scattering peaks of non-crystalline polymers , MPS programs & f the X-ray diffraction overlapping patterns of the four partial-crystalline polymers are thus compiled as well .

偶极子云团的非相干极化散射特性研究

Study on noncoherent polarization scattering characteristics of dipole clouds

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。

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 .

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。

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 .

为实现非相干情况下主散射机制的直接提取和鉴别，提出了一个基于Freeman分解和平均随机度的分类方法（FDR方法）。

To directly extract and discriminate the dominant scattering mechanism in the incoherent case , another new method ( FDR method ), based on the Freeman decomposition and the mean DoR , is proposed .

高纬电离层中非麦克斯韦分布等离子体的非相干散射谱的模拟

A computation of the incoherent radar spectra of non - Maxwellian plasms in the high-latitude ionosphere