反射波振幅与入射波振幅的比率称作反射率或反射系数。
The ratio of the amplitudes of the reflected and incident waves is termed the reflectivity or reflection coefficient.
在影响地震波振幅的诸多因素中，除反射系数外，最主要的是波前扩散和吸收的影响。
Among various factors affecting the amplitude of seismic record, wavefront divergence and absorption are the key ones, except reflected coefficients.
并按线性小振幅波理论，导出了改进的透射系数计算式，其计算结果与试验值符合良好。
A modified transmission coefficient formula is derived based on the linear small amplitude wave theory, and calculation results are in good agreement with the test results.
分析了汽封间隙对机组振动的阻尼作用及其阻尼系数与振幅的关系。
It is analyzed that clearance of gland seal has damping action to vibration of the unit, and relationship of amplitude and damping coefficient of them is analyzed.
研究了介质镜反射系数的振幅与位相二阶导数对飞秒高斯脉冲的影响。
Studies have been made on the influences of the second order derivatives of the amplitude and phase of the reflection coefficient on the Gaussian pulse upon reflection from the dielectric mirrors.
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。
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.
该方法把结构振动的微分方程转化为振幅与频率的代数方程，并给出了流体力系数的经验公式。
The method transfers the structural vibration differential equations into algebraic equations and the empirical formulae about fluid force coefficients is put forward.
在操作气速0.1ms-1、振幅2mm及振动频率1100min-1的条件下，振动流化床水平换热管的传热系数达到最大值。
The results show that heat transfer coefficient reaches maximum value under the condition of gas velocity of 0.1ms-1, vibration amplitude of 2mm and frequency of 1100min-1.
正弦型来流使压力系数产生波动，程度受正弦周期、振幅影响；
The fluctuant is different with the influence of period and swing of the sine wave.
试验结果表明，摇摆运动下，自然循环的换热能力得到了加强，摇摆的频率和振幅增加，换热系数也相应增加。
The results show that heat transfer of natural circulation under rolling is enhanced. Heat transfer coefficient increases with rolling amplitude and rolling frequency increasing.
特别地，对于常数振幅情形，得到了多项式系数估计的强收敛速度。
Specifically, the convergence rate of coefficient estimate is obtained in constant amplitude case.
第一模态左右时间系数的振幅和位相存在明显的年际差异，强。
There is evident interannual difference in the amplitude and phase of the left and right time correlation for the first mode.
相干数据分析是通对地震道间波形的相似性的计算，实现三维振幅数据体向三维相似系数数据体的转换。
Coherent data analysis may convert the original cube with 3d amplitude seismic data to other cube with 3d similar coefficient data by calculating the similarity of waveform among seismic traces.
数值算例证实了此方法的正确性，计算表明非线性系数的识别精度与非线性程度和初始振幅大小有关。
It is also shown that the identification accuracy for the nonlinear parameter depends on the degree of nonlinearity and the initial amplitude.
利用吸收系数并配合速度、振幅和频率等其它地震或非地震信息，进行储层裂缝预测具有其独特作用和效果。
The use of absorption and in line with the speed, amplitude and frequency of seismic or other seismic information, Has its unique role and effectiveness of the reservoir cracks prediction.
反射波振幅与入射波振幅的比率称作反射率或反射系数。
Reflectance: The relative amount of reflected light of a surface. May be expressed in percentage.
反射波振幅与入射波振幅的比率称作反射率或反射系数。
Reflectance: The relative amount of reflected light of a surface. May be expressed in percentage.
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