Rayleigh ratio
英
美
网络 瑞利比; 光强瑞利比
双语例句
- The K parameter depends on the beam order, Rayleigh length and ratio A/ B of transfer matrix elements.
平顶光束的K参数与光束阶数M、瑞利长度zR和传输矩阵元A/B有关。 - Performance of M ary orthogonal direct sequence code division multiple access ( DS-CDMA) signals over multipath Rayleigh fading channel with noncoherent RAKE receiver is examed. Two maximum selection diversity reception schemes, maximum signal to noise ratio selection and muximum output selection, are considered.
研究了随机M进制正交码直接序列扩频码分多址信号经过多径瑞利频率非选择性衰落，在非相干RAKE接收机中采用最大输出信噪比选择或最大输出选择分集接收时系统的性能； - A new thought is given to appraise improvement effect of composite foundation by use of average Rayleigh velocity of pile and soil, based on the principle of calculating the bearing capacity of cement mixed pile composite foundation by means of stress ratio of pile and soil.
根据桩土应力比计算水泥搅拌桩复合地基承载力理论，提出了利用桩土平均瑞利波速评价复合地基承载力的一种新思路。 - For different Rayleigh number and temperature difference ratio, the overall heat transfer rates and the portion of radiation present different variation patterns.
不同Rayleigh数和温差比下，空腔的总换热率及辐射所占份额均呈现不同的变化规律。 - For both of Rayleigh scattering and Mie scattering exist in lower atmosphere, the backscattering ratio Rb is needed to calibrate the wind speed response curve.
在低空由于瑞利散射和米散射同时存在，当后向散射比Rb不同时，测风激光雷达校正曲线随Rb不同而不同，因此需要根据不同的Rb选取不同的校正曲线来得到风速。 - According to the curves of local and average heat transfer coefficients, the effect of Rayleigh number and aspect ratio was studied.
在对局部和平均换热系数分析的基础上，整理了瑞利数Ra.L和高宽比H/L对平均换热系数的影响。 - Rayleigh wave is extracted by τ p transformation to obtain dispersion curves with high signal to noise ratio.
本文应用τ-p变换提取面波，获取高信噪比的频散曲线； - Two PZT patches were bonded on the surface of concrete prisms to launch and receive ultrasonic surface wave. Then the velocity of P wave, the velocity of Rayleigh wave, the dynamic modulus of elasticity and Poisson's ratio of concrete were determined.
将PZT压电陶瓷片直接粘贴在混凝土表面，产生和接收表面波，以确定沿混凝土表面传播的Rayleigh波和纵波的波速，以及混凝土的动弹性模量和动泊松比。 - The simulation results show that, in multipath Rayleigh fading channels, with the same signal-to-noise ratio ( SNR) and channel utilizing efficiency, the proposed algorithm can implement a much accurate estimation than the time-domain filtering algorithm based on frequency-domain comb pilots.
仿真结果表明：在多径瑞利衰落信道中，在相同信噪比和相同信道利用率的条件下，提出的算法比频域梳状导频插入的时域滤波算法具有更高的信道估计精度。 - It is found that Rayleigh number has great effects on the patterns and velocities of thermal free convection and controls the relative ratio of hot and cold plume in the shell.
瑞利数的大小对自由热对流的格局和速率产生了重要的影响，控制着对流层中高温热柱区和低温冷柱区的相对大小。 - Rayleigh-wave-method is a new method in geophysical prospecting. Rayleigh wave usually has more energy and higher signal to noise ratio than body waves, so there are more and more applications of Rayleigh wave in geophysical prospecting, seismology and ultrasonic nondestructive testing and so on recent years.
Rayleigh面波法是一种新兴的地球物理勘探方法，具有能量大，信噪比高等特点，近些年来越来越多的被应用于浅层地球物理勘探，深层地震学研究，超声波无损检测等多个领域。 - Because of the strong energy of Rayleigh wave 、 high signal to noise ratio and high efficiency, it get more and more attention in recent years.
因为瑞雷面波浅层传播能量强、野外工作效率高从而近年来得到越来越多的重视。 - By the assumption of Rayleigh type ratio damping, taking dimensionless parameter and decoupling transform, the displacement-time response of the forced vibration system is solved.
假设阻尼为Rayleigh型比例阻尼，对方程进行无量纲化处理，然后对无量纲方程进行解耦，求出其强迫振动时候的位移响应。