Calculating Reflection Coefficient of Multilayers Media by use of the Equivalent Interface of Reflection 用等效反射面计算多层介质的振幅反射系数
The power coefficient of reflection increases and the absorption coefficient decreases after an early peak with the increase of wavelength in the case that the maximum electron density is greater than 1.0 × 10~ ( 14) cm~ (-3). 功率反射系数随波长的增大而增大,功率吸收系数A也不是单调的,当电子密度不变时,A存在一个峰值,随着电磁波波长的增加而增加,达到最大值后,缓慢降低。
Roughness coefficient of non-submerged reed The Calculation of Reflection Coefficient on Submerged Slope and Permeable Works 湿地非淹没芦苇水流阻力的试验研究潜波及透浪式建筑物反射系数的计算
The reflection coefficient of stratified dielectric planar structures with uniaxial medium included is formulated. GA is employed in the optimization of reflection characteristic of this composite dielectric structure. 将多层各向同性有耗介质平面结构的反射系数公式推广到含有单轴媒质层的多层平面结构,运用GA对这种复合介质结构的吸波特性进行优化。
The calculation formula of the equivalent reflection coefficient and noise temperature of reflector antenna with the partially perforated surface are derived by the reflection and transmission coefficients and the equivalent feed. 采用等效馈源及凿孔表面的反射与传输系数导出了部分为凿孔表面的反射器天线等效反射系数及天线噪声温度的计算公式。
It expounds how height loss diagram is acquired and how dates are processed that comprize position of obstruction point, effective height of obstruction point, diffraction terrain factor, effcctive reflection to earth coefficient, position of reflection point, recommended antenna height. 阐述了高度&损耗曲线的取得,及障碍点的位置、障碍点的有效高度、绕射地形因子、有效地反射系数、反射点的位置、推荐天线高度等数据的处理方法。
It may be shown that the optimum distribution of the friction coefficient of points on the absorber is a gradually increasing series when the total reflection energy coefficient is at minimum. 证明了在总反射能量系数为最小时,其各点摩擦系数的最佳分布为一确定的渐增序列。
According to coupled wave theory, and from the non-linear differential equation describing characteristics of reflection hologram, the reflective coefficient of reflection hologram is analyzed. 根据耦合波理论,从描述反射全息的非线性微分方程出发,对反射全息图的振幅反射系数进行了分析。
In application of vertical high resolution log data and lateral continuous seismic data, high accuracy reflection coefficient sequence could be obtained by establishing the initial model of reflection coefficient sequence. 综合运用垂向具高分辨率的测井资料和横向有较好连续性的地震资料,建立反射系数序列初始模型,经不断修改和反复迭代,可得到精度较高的反射系数序列。
The paper discusses the principle of zero-phase wavelet extracted from Ground Penetrating Radar ( GPR) record at the base of coefficient of reflection being white noise and used to remove the random noise in the GPR signal with cross correlation filter. 该文简述了在反射系数为白噪声条件下探地雷达记录道中零相位子波的提取,并用提取的子波对探地雷达信号进行互相关滤波的方法原理及编写的相应的程序。
Based on the rule of base materials 'strength and age, the paper got the predigestion formula of base theory reflection coefficient and put forward checking method and criterion of base and surface reflection of Xi'an region. 根据强度随龄期的增长规律,得到二灰土底基层和二灰碎石基层顶面理论弯沉系数简化公式,提出西安地区路面弯沉检测方法和标准。
The rebounding coefficient of two objects 'collision interface is discussed by theory of stress wave. The rebounding coefficient is approximately found with the theory of the reflection and transmission of stress wave in the interface. 运用应力波理论讨论了冲击构件中两物体碰撞界面处反弹系数,引用应力波在界面处的反射、透射的波动理论,近似得出两物体碰撞后的反弹系数。
Reflective coefficient ( Rc) of different lithological boundaries is main factor producing seismic reflection. 亲本本身性状表现与一般配合力效应的相关系数因性状而异。不同岩性界面的反射系数(Rc)是产生地震反射的主要原因。
Oblique of plane electromagnetic wave is introduced, and the relationship formulas between medium parameter and reflection and transmission coefficient of vertical and horizontal polarization wave are proven. The phenomenon of complete reflection and transmission and their conditions occured are discussed. 介绍了平面电磁波的斜入射,推证了垂直极化波和水平极化波的反射系数和透射系数介质参数的关系式,讨论了全反射现象及其发生条件。
Scattering of free particles by a one dimensional double square barrier composed of two square barriers of equal height is investigated, and the effect on the total transmission coefficient due to neglect of reflection from the right side of the first square barrier is analyzed. 讨论一维等高双方势垒对能量确定的自由粒子的散射问题,分析散射中略去向右反射对双势垒透射系数的影响。
Based on small-angle approximation of the reflection coefficient of P-SV wave given by Aki& Richards, this paper presents a new approximate relationship of reflection coefficients between P-SV wave and SS wave. 本文通过对Aki&Richards给出的PSV波反射系数的一阶近似,给出了一个新的描述PSV波和SS波反射系数之间关系的近似公式。
The Experiment Research on the Surface Luminance, the Gloss and the Reflectance Coefficient of Mixed Reflection Material 混合反射材料表面亮度、光泽度、反射系数实验研究
Stratigraphic reflection coefficient is decided by its structure and quality, so the random combination of different Stratigraphic quality makes the sequence of Stratigraphic reflection coefficient be a random sequence, and it can be indicated by its statistical parameters. 地层的反射系数由地层的结构性质决定,所以任意随机的不同性质地层组合使地层反射系数序列(ri)成为一个随机序列(ri),可以用它的各种统计量来表征。
Starting from the approximation of power series of P-SV converted wave reflection coefficient, the paper gave the approximations of P-SV converted wave reflection coefficient represented by multi-composition of different parameters and explored the theory and methods using these approximations for AVO weighted stack parameters inversion. 本文从P-SV转换波反射系数幂级数近似公式出发,给出了多个由不同参数组合表示的P-SV转换波反射系数近似式,并探讨了利用这些近似式进行AVO加权叠加参数反演的理论和方法。
Physiology research: To compare the coefficient of visceral nerve, response of skin interaction, body temperature and visceral nerve reflection between 10 patients and healthy people. 生理学研究:选择10例骨关节炎虚寒证患者与10例正常人,从植物神经系数、交感皮肤反应、体表温度、植物神经反射等方面进行比较研究。
The empirical relations between MD and σ coefficient of sands and their reflection on the depositional environment 砂的中值粒径与分选系数的经验关系及其对沉积环境的反映
We present the model and formula derivations of dielectric spectral function by employing the plasmon method and random phase approximation. We obtain the absorption coefficient and the ratio of reflection power. 应用等离激元和无规相近似方法给出碳纳米管的介电谱函数,进而求出吸收系数和反射功率比。
Reflection and refraction of lights on the interface of two uniaxial crystals are studied, and amplitudes and phases of reflected and refracted lights are analyzed, and the coefficient of reflection and transmission are given. 研究光在两单轴晶体分界面处的反射和折射情况,分析了反射光和折射光的振幅与相位,给出了光在两单轴晶体分界面处的反射和透射系数。
The direct method can calculate the absorption coefficient of sound-absorbing material by using the definition of the reflection coefficient. 直接法是利用反射系数的定义计算出吸声材料的吸声系数。
Due to the different medium attenuation coefficient of different and different interface refraction wave and reflection wave, acoustic signals of different paths of different frequencies. 由于不同介质衰减系数的不同及不同界面折射波和反射波的路径不同,声波信号的所含的频率成分不同。
Reflectance spectrum in the case of oblique incidence was discussed. The result showed that reflection coefficient of the material surface is a real number in a small angle range, approximately equal to normal incident reflection coefficient. 讨论了斜入射中反射、透射和波形转换带来的反射系数谱,其中小角度范围内材料表面的反射系数为实数,近似于直入射的反射系数值。
The cascade connection method is to firstly analyze the vibro-acoustic equations of one single layered plate, and then the acoustic propagation property and the cascade connection of acoustic pressure coefficient matrix of each plate will be applied to obtain the whole acoustic reflection and transmission coefficient matrices. 级联法是首先分析单层板结构的振动及声压方程,并在此基础上通过声波的空间传播性质以及各层板声压矩阵的级联得到整体多层结构的反射及透射声压系数矩阵。
Bridge dynamic coefficient is the dynamic amplification effect index of the bridge, which is the comprehensive reflection of dynamic characteristics and dynamic interaction status of the train-track-bridge system. 桥梁动力系数是桥梁动力放大效应的指标,其数值大小是列车-轨道-桥梁三者的动力特性和动力相互作用状态的综合反映。
The sufficient condition of the unity of the active element pattern and reflection coefficient in describing blind effect is proved, which is the array should be equal scale excited and the phase of the reflection coefficient be zero ( resonance). 由矩量法理论证明了全阵等幅激励且反射系数相位为零(谐振)是有限阵单元方向图与中心单元反射系数描述盲区问题统一的充分条件。