The paper introduces the reflection and radiation mechanisms, methods of testing reflection ratio and application prospects of the solar-reflection coatings. 阐述了太阳遮热涂料的反射和辐射机理,以及反射率的检测方法;介绍了太阳遮热涂料的应用前景。
Reflection on how to insure state-owned commercial banks? capital adequacy ratio 国有独资商业银行资本充足率问题研究
The equations of reflection ratio and refraction index of single-dimensional photonic crystal are deduced by transmission matrix method, and the band gap structures of photonic crystal with periodicity, optic thickness and angle of incident light variation are simulated. 用传输矩阵法推导得到了一维组合型光子晶体的反射率和折射率算式,并模拟了不同周期数、不同光学厚度、不同入射光角度时光子晶体的带隙结构;
The basin-range junction zone has complex surface geological conditions and a rather undulate tomography, where deep seismic reflection data are characterized by a low S/ N ratio, strong multifold noises and great lateral variation in velocity. 盆山结合带地质条件复杂、地形起伏大,深地震反射资料具有信噪比低、各种干扰波严重以及速度横向变化大等特点。
For the applications of coaxial-cable electromagnetic wave reflection technique in measuring soil water content and pore ratio, the interaction model for EM wave and single media was deduced based upon polarization mechanism. 针对同轴电缆电磁波反射技术在量测非饱和土土体含水率方面的应用,在理论上研究了该技术的基本原理,从极化机理出发,推导了电磁波与单相介质相互作用的模型。
A Reflection on the Return Ratio of the Government Bonds 国债收益率的再思考
The CPC reflector combined with the solar cooling tube was analyzed and designed, and the relations of the parameters of acceptance half-angle θ_a, average number of reflection 〈 n 〉, optical efficiency η_o and concentration ratio C were discussed. 从理论上分析并设计了与太阳能冷管相配的CPC反光板,并对其半接受角、平均反射因子、光学效率和聚焦比等参数之间的关系进行了分析。
The holographic volume gratings and reflection holograms having high diffraction efficiencies and signal noise ratio are also fabricated in experiment. 实验中制作出了高衍射效率和信噪比的体积全息光栅和反射全息图。
Reflection of n2/ he ratio on earthquakes 氮氦比对地震的反映
Liquid crystal displays used in avionics applications are required to have high luminance, good color saturation, low reflection, good contrast ratio and gray scale separation in a wide range of viewing angle. 在航空电子设备中应用的液晶显示器,要求在宽视角范围内具有高亮度,低反射,高对比度,良好的色饱和度与灰度识别。
The results show that the HR-1 emulsion is an appropriate material for recording the synthetic transmission hologram and reflection hologram with high diffractive efficiency and high signal-to-noise ratio. 实验结果表明,HR1型卤化银乳胶是一种适合于记录透射和反射型合成全息图的记录介质,可以获得较高的衍射效率和信噪比。
The methods of separation of incident waves and reflected waves, the influence of wave period on the stability of armour blocks, and the reflection ratio of the breakwater are also discussed in the paper. 此外,在本文中还探讨了入、反射波分离的方法,波浪周期对块体稳定性的影响以及堤体的反射率等问题。
Based on atmospheric correction formula of ETS ( Electronic Total Station), the paper presents a new method to calculate constants of distance surveying part of ETS ( including atmospheric reflection ratio of standard atmospheric state and the carrier wavelength of laser). 该文在电子全站仪气象改正公式的基础上,提出了计算测距部常数(标准大气状态下的大气折射率、激光器载波波长)的新方法。
Enlargement of omnidirectional reflection frequency range in one-dimensional polybasic photonic crystals by using heterostructure Achieving Omnidirectional Reflection with Disorder Structure in Lower Refractive Index Ratio Dielectric Multilayer 宽频带一维三元光子晶体异质结构全方向反射镜利用无序获得更低折射率比范围内的全向反射
Based on the analysis of the transmission of near infrared light in homogeneous tissues, a calculating method of diffuse reflection ratio ( DRR) for layered tissue is presented. 首先分析了近红外光在均匀生物组织中的传播过程,在此基础上提出一种计算分层生物组织表面漫反射率的理论模型。
Reflection ratio of energy current and polarization degree of transmission light on glass boundary 玻璃介面上的能流反射率与透射光的偏振度
Achieving Omnidirectional Reflection with Disorder Structure in Lower Refractive Index Ratio Dielectric Multilayer 利用无序获得更低折射率比范围内的全向反射可见光波段全向反射镜的设计与制备
A Legal Reflection on Balancing the Sex Ratio in China 关于平衡我国性别比的法律思考
This method improves deep reflection energy, event continu-ity and signal/ noise ratio of real seismic data. 将此注用于实际资料处理,对改善深层反射能量,提高同相轴的连续性和信噪比均有作用。
The results show that gravity tide factor in tidal variation has better reflection to earthquakes, and with good correspondent ratio. 结果表明,潮汐变化中的重力潮汐因子变化对地震的反映较好,其对应率较高。
We calculate the reflection coefficient ratio of P-SV and P-P based on three typical kinds of oil-bearing sandstone models through converted wave's raytracing and Zoeppritz equation's resolving, and define the ratio's absolute value as the control factor G. 通过转换波射线追踪和求解Zoeppritz方程计算三种典型含油气砂岩模型的PSV波与PP波反射系数的比值,并将该比值的绝对值定义为控制因子G。
First the paper introduce the IRC theory in 1-D medium, deduced electromagnetic reflection function of MT that represented by ratio between upgoing and downgoing electromagnetic waves; 首先介绍一维介质情况下的IRC理论,导出大地电磁测深电磁波反射函数,此函数由电磁波上行波与下行波的比值表示;
The optimal scale of fiscal revenue is the quantitative reflection on the rational ratio between the government and market allocation of resources as well as the premise and accordance for the government to make macroeconomic policy, fiscal system and fiscal budget. 最优财政收入规模是政府与市场配置资源合理比例关系的数量体现,是政府制定宏观经济政策、财政体制和财政预算的前提和依据。
The key to enhance the image quality is to separate the reflection that has high signal to noise ratio and the scope of stack can defined optimally by common-angle gathers. 提高成像质量的关键是分离出信噪比高的反射波并与根据共角度道集选择最佳的叠加范围层。
The wide-beam circular polarization satellite TV receiver antenna array has a better reflection characteristic, its axial ratio and the half-power beam width can basically meet the design requirements, agreement can be observed between the measurement results of the prototype and the simulations results. 宽波束圆极化卫星电视接收天线阵具有较好的反射特性、轴比特性和较宽的半功率波束宽度,基本满足设计要求,实物样品的测试结果与仿真结果吻合较好。
It is because of the existence of ground roll which is normally found in the shallow reflection data, seriously affecting the reflection data signal to noise ratio. It can bring a lot of inconvenience and trouble to follow-up processing of the reflection data. 正是由于面波的存在,严重影响了反射数据的信噪比,并且浅层反射数据中的面波表现十分复杂给反射资料的后续处理带来了许多不便和麻烦。
The reflection spectrum and the contrast ratio of the optical switching are calculated by the transfer matrix method. 利用传递矩阵方法计算了光开关的反射谱和对比度。
The reflection loss curve, radiation patterns, input impedance and axial ratio of the antenna were given. 分析了该天线的反射损耗曲线,辐射方向图,输入阻抗,极化轴比等重要参数。