散射模拟

E. , considering solar radiation, scattering, absorption, reflection and diffusion of light wave in the atmosphere, reflection and interreflection of the object surface, image rendering, and photorealistic image synthesis in the raster screen. The research has the merits of validity of theory and practicability of the model.

本文综合了太阳能、辐射传输、光照模拟、图形着色和图象合成等方面的研究成果，建立光照变化与景物成像之间的定量关系，完成从光源分析到图像合成整个流程的工作，即太阳辐射、光波在大气层中的散射、吸收、反射和漫射、对物体表面的反射和互反射进行分析和着色、最后在屏幕上合成人眼应该看到的真实图像。

Based on the simulated multispectral and multiangular satellite measurements, we analyzed the sensitivity of different wavelength and satellite view.angle to the retrieval of the aerosol optical thickness and effective radius.

2利用Mie散射和大气辐射传输模式模拟了一个给定条件下的卫星多视角、多波长的辐射观测，分析了各通道之间可用于气溶胶光学厚度和粒子有效半径反演的敏感性。

Based on Born approximationmethod and the local principles of wave function in inhomogeneous medium and theray theory and the integral equation theory,this dissertation researches the theory andsimulation of the inversion method of large perturbational medium parameters andbreaks through the approximation condition of the small perturbational parametersand the weak scattering in traditional inversion method.

本文在Born近似方法的基础之上，基于非均匀介质中波函数局部理论和射线理论及积分方程等理论方法，对大扰动参数反演方法的理论和数值模拟进行了研究，突破了传统反演方法要求的参数小扰动和弱散射条件。

Computer simulation ; rodlike crystal ; small angle light scattering

计算机模拟；棒晶；小角光散射

For soil surface the IEM model was used, and the specula surface approximation was used for flooded field.

利用矢量辐射传输理论建立了水稻微波后向散射模型，模型中考虑了稻田土壤无水的情况，用积分方程模型模拟土壤下垫面，而对稻田积水情况下的垫面用镜面反射近似。

Simulation and computation of bobbles volume scattering function in water.

水中气泡上体散射函数的模拟与计算。

By using of the data of atmospheric turbidity and surface radiation observed at Zhangye and Desert stations in HEIFE area during the period from the third decade of February to the second decade of May in 1991, together with the data obtained from NOAA\|11 satellite overpassing this area at the same time, we estimate single scattering albedo (\%ω\% 0 ) and fraction of optical depth \%\[k(τλ=8~10 /τλ=0.55 \%)\] of atmospheric dust aerosols, by employed the radiative model in ...

利用 1991年 2月下旬～ 5月中旬HEIFE张掖和沙漠站的大气浑浊度观测、地面辐射观测及同期卫星资料，借助NCARCCM 3中的辐射模式CRM ，模拟估算了我国西北大气沙尘气溶胶的部分光学参数，单次散射反照率(ω0 )和光学厚度比 [k(τλ=8～ 14 /τλ=0 。55) ]。计算结果表明，清洁天ω0 和kτλ=8～ 14 /(τλ=0 。55在沙漠和绿洲均为 0 。94和 0 。1；浑浊天ω0 在绿洲为 0 。90 ，沙漠为 0 。84 ；k(τλ=8～ 14 /τλ=0 。55)在绿洲为 0 。3 ，沙漠为 0 。4。在气候模式中，可将我国西部沙尘源区大气沙尘的ω0 和k(τλ=8～ 14 /τλ=0 。55)分别取为 0 。88和 0 。3。

First, the background spectrum is subtracted from experimental one; Second, by the spectrum stripping, the counts came from partial energy deposition of incidence photon in HPGe crystal, such as Compton scatting or pair production; the next, transform the experimental spectrum to the incidence photon flux spectrum.

实验数据的处理过程有三步：1 从实验谱中减掉本底谱；2 实验谱中分离掉各种能量的入射光子在晶体中的部分能量沉积(康普顿散射、电子对效应)：3 处理过的实验谱转成入射光子通量谱。比较结果显示，在本实验中，模拟谱对实验谱的总计数相对偏差不大于20%，两者基本符合。

In this dissertation, at first, the history and present situation of the research related to overheating is reviewed, and then the research works are carried out in following aspects the calculation of radiative properties of coal combustion, the solution of radiative transfer equation in absorbing-scattering media, the analyses of combined heat transfer processes in flue side, the computation method of steam temperature deviation of superheaters and reheaters and the inversion method of their wall metallic temperature in furnace, the numerical simulation of gas-solid two-phase flow, combustion and heat transfer in furnace, the measurement of outlet steam temperature of superheaters and reheaters, engineering reformation of overheating and optimum design of superheaters and reheaters, etc.

本文在综述了与过热器和再热器超温问题有关的研究历史与现状的基础上，在煤粉燃烧产物辐射特性的计算、含散射问题的辐射传递方程的求解、过热器和再热器烟气侧对流与辐射复合换热及汽温偏差的计算和炉内金属壁温的反演、炉内气固两相流动、燃烧、传热过程的数值模拟、过热器再热器炉外出口汽温的测量、过热器再热器超温问题的工程改造及设备的优化设计等方面进行了研究。

Within the limitation of SBTART model, the paper is concerned with the preliminary study of the feasibility of determining total atmospheric ozone by scattered ultraviolet radiation from the clear zenith blue sky.

选用SBDART模式作为大气辐射传输计算模式，通过模拟计算和结果分析探讨无云的晴天、垂直对天顶观测的紫外前向散射反演大气臭氧总量的可行性。

What are your goals and strategies for growth?

你的成长目标和策略是什么？

And unto the angel of the church in Sardis write; These things saith he that hath the seven irits of God, and the seven star I know thy works, that thou hast a name that thou livest, and art dead.

3：1 你要写信给撒狄教会的使者，说，那有神的七灵和七星的，说，我知道你的行为，按名你是活的，其实是死的。