散射

The experimental results show that this new method can be used to estimate the MSS, and the spatial distribution as well as probability distribution of tissue scatterers.

实验结果表明，这种新方法不仅能估计出散射元平均间距，还能估计出散射元的空间分布与概率分布。

On the approximation that the ink is non-scattering and its refractive index is nearly equal to papers, we propose a spectral reflectance color prediction model for recto-verso halftone images by making use of the theory of the light propagation in paper with long- and short-distance model and net structure of multiple reflection in the recto-verso halftone images.

在假定油墨是非散射介质以及油墨的折射率与纸张的折射率近似相等的条件下，利用光在油墨与纸张中散射迁移路径长短不同的分程理论和多重内反射的网状结构分析方法，研究了光照射在双面印刷品上的光谱反射规律，建立了双面印刷品的光谱反射色彩预测模型。

Furthermore, the point scattering model is given to form basic scattering structure of the distributed target, and the multiplicative noise model is used to describe statistical characteristics of the distributed target simulation, and illustrate that the spaceborne SAR raw signal is a process of the multiplicative noise.

经过进一步分析研究确定了采用点散射模型来形成目标仿真的基本散射结构，同时应用乘性噪声模型来描述分布目标的统计特性，指出星载合成孔径雷达的目标回波是一个乘性噪声过程。

The scattering and absorption coefficient values measured by the D-OPC were compared with that measured by an Aethalometre and an Integrating Nephelometer.

与TSI公司黑炭仪和浊度计测量的吸收系数和散射系数对比表明，双散射角光学粒子计数器测量气溶胶折射率和谱分布结果合理，测量误差0%，可以满足同时测量气溶胶粒子谱分布和折射率的需要。

The measuring mechanism of diffusion nephelometer and methods for its improvement were studied,the result of which shows that the diffusion nephelometer using a new-type monochromatic electronic light source and provided with a luminous intensity stabilizing circuit is featured by high accuracy and sensitivity in case of narrow range of NTU,with good linearity up to 100 NTU,without frequent adjustment of zero point an

探讨散射式浊度仪的测试机理和改进方法。测试结果表明，采用新型单色电子光源和配备发光强度稳定电路的散射式浊度仪具有低浊度范围准确性和灵敏度高，至100NTU线性好，不须经常调整零点和重新标定，耗电量少，光源寿命长和抗色度干扰能力强等特点，适用于水厂提高滤池效果和监测出水水质。

The function δ is introduced according to the property of the large forward scattering coefficient of the scattering particles in bad weather and the decomposition for phase function is normalized.

根据恶劣天气中散射粒子的前向散射系数大的特点，引入δ函数，将相函数进行归一化分解；把得到的简化点扩散函数作为大气的退化函数，与退化图像一起进行频域复原滤波。

In order to improve the robustness and performance of calibration, several spectra preprocessing methods were employed, including standard normalized variate, multiplicative scatter correction and direct orthogonal signal correction.

为了有效消除土壤颗粒不均匀性所带来的散射影响，同时扣除与土壤品质参数无关的光谱信息，研究运用变量标准化、附加散射校正和直接正交信号校正等光谱预处理方法，使模型精度得到显著提高。

Comparing some coefficients by complex images method with that by analytical formula or numerical quadrature, the computing method of the model is examined to be efficient and accurate.

通过计算考察基于复像方法的有关系数证明了该模型的准确性，并给出了不同入射方向的界面上刚性球体和弹性球壳的散射声场算例，对目标散射幅度的分布以及随角度的变化规律做了分析。

It's very important to establish the obscuration's model and analyze its influence to the laser propagation.

因此建立散射点的模型，分析散射点对光传输的影响对于建设高功率固体激光装置具有非常积极的意义。

The principal work is as follows:(1)We use the matlab software to establish the obscuration's model through analyzing the character of obscuration on the actual optical component.

论文的主要内容为：一、通过对实际光学元件上散射点的特征加以分析和统计，用matlab建立了符合实际所需的散射点模型。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。