attenuation rate
英 [əˌtenjʊˈeɪʃn reɪt]
美 [əˌtenjʊˈeɪʃn reɪt]
衰减率
双语例句
- It analyzes breakdown characteristic of the delay-line and estimates height attenuation rate of the pulse transmitted by the delay-line.
分析了该延时线的耐压特性，并对其传输脉冲幅度衰减率进行了估算。 - BN interwoven microstructure will prevent grain boundary slip and reduce the attenuation rate of high temperature strength.
氮化硼的编织状结构可阻碍晶界的滑移，降低材料高温强度的衰减率。 - Among which, is the attenuation coefficient at the single scattering approximation, representing the attenuation rate when the laser passes through medium in unit distance.
其中为单次散射近似时的衰减系数，表示激光每经过单位距离的介质后衰减率。 - For TE modes, the changes of dielectric constant and magnetic permeability of tunnel have little effect on that of the attenuation rate; for TM modes, the dielectric constant or magnetic permeability of tunnel is bigger, the attenuation rate is higher.
对于TE波模，隧道的介电常数和磁导率的变化对电磁波衰减率变化的影响不大，对于TM波模，隧道的介电常数或磁导率越大，电磁波衰减率越大。 - If frequency is higher, the attenuation rate is smaller;
频率越高，空圆形隧道中电磁波的衰减率越小； - In low frequency band, the attenuation rate of guided electromagnetic waves are very low and increases slowly as frequency.
在低频段上，导行电磁波的衰减率很小，随频率的升高而缓慢增加，不论单线波模还是双线波模其近壁效应都很小。 - And found two data limit of accumulative radiation dose: R1 and R2. When accumulative radiation dose is smaller or near R1, the attenuation rate of ρ, ε, P is the same as it of natural ageing.
还发现对于此复合材料存在两个累积辐射剂量的数值界限R1和R2。当累积辐射剂量小于或接近R1时，复合材料的ρ、ε、P和τ的变化趋势与自然老化规律基本相同； - For the typical inhomogeneous density profiles, the relation between the attenuation rate and the frequence of electromagnetic waves is studied numerically for various collision frequences and the densities at boundary.
对几种典型的非均匀密度剖面，计算了在不同的碰撞频率和层边缘密度下电磁波衰减率与电磁波频率的关系。 - Effect of Temperature on Attenuation Rate of Ozone Atmosphere
贮藏库温度对臭氧化空气衰减速率影响的研究 - On the basis of wavelet transform and S transform, through popularizing basic wavelet, the basic wavelet containing 4 kinds of unknown parameters ( amplitude, energy attenuation rate, energy-delay time and apparent frequency) was constructed, realizing generalized S transform.
在小波变换和S变换基础上，通过对基本小波的推广，构建含有四类待定参数（振幅、能量衰减率、能量延迟时间及视频率）的基本小波，实现广义S变换。 - According to numerical results, the attenuation rate will be reduced when the working frequency or the conductivity of tunnel wall is increased.
根据计算结果，随工作频率的增加，衰减率减小；随隧道壁电导率的增加，衰减率减小； - It is first time that the variance sum of gray scale values of pixels was used to characterize the inhomogeneous degree of concentration fields and that the attenuation rate was used to characterize the injection dispersion performance of flow field.
文中首次提出用流场图象的象素点灰度值的方差和来表征浓度场的非均匀度，用该方差和随时间衰减的变化规律来表征流场的注入分散特性。 - Uniform design method which can reduce experiment quantity is used in the formula design of infrared smoke composition. The attenuation rate of the optimal formula in 8~ 14 μ m bands is 96.6%.
将均匀设计方法应用于红外发烟剂配方的优化试验研究，减少了试验工作量，优选出的红外发烟剂形成的烟幕，对8～14μm波段的红外辐射衰减率达96.6%。 - In terms of a kind of analysis technique to systems with multivariable delays based on Lyapunov functional, the congestion control is considered and the robust stabilized condition is derived so as to the system exponentially stable with attenuation rate λ.
通过采用一种基于Lyapunov泛函的多变量时滞系统分析技术对网络拥塞控制问题进行了研究，得到了系统以衰减度！ - The wave property, including frequency, amplitude, attenuation rate, maximum value of acceleration and predominant period, were analyzed in a computer with reproducing signals.
通过回放及计算机处理研究了近场爆破地震波记录波形特征、频谱特性、振幅特征、衰减情况以及加速度最大幅值和相应的卓越周期。 - To make use of finite element method, the field of electromagnetic wave propagating in trapezium tunnel was studied. The attenuation rate and its numerical analysis were deduced on the foundation of tiny-intervene method and the calculating program was also compiled.
应用有限元方法研究了梯形隧道中的波导场问题，并以微扰法为基础推导了波模衰减率的计算公式，编制了计算程序。 - The horizontal frost-heaving force is attenuated in the process of excavation with the maximum attenuation rate being 40 percent.
并给出了随着基坑开挖的卸压作用，桩上受到的水平冻胀力呈现减小趋势，最大衰减率达40%。 - The result showed that attenuation rate of ozone apparently became lower as the temperature decreased.
结果表明，随温度降低，臭氧化空气的衰减速率明显减慢； - Due to the surface retardation, the attenuation rate of velocity becomes quicker, which depends on water depth and jet width.
由于水面的阻滞，中轴线上垂向速度的衰减较自由射流快，衰减规律随水深和射流宽度而异。 - When frequency is comparatively high, circular tunnel, rectangular tunnel and arched tunnel have same formulation of attenuation rate.
当频率较高时，圆形隧道、矩形隧道和拱形隧道的衰减率表达式是一致的； - The deviation value was used to characterize the inhomogeneous degree of concentration fields, and the attenuation rate with time was used to characterize the injection dispersion performance of flow field.
以此方差近似表征了示踪剂浓度场的非均匀度，其衰减规律可用于定量描述振荡流场的注入分散特性。 - Based on Maxwell equations and the boundary conditions under specified conditions, the formulas of EM wave attenuation rate can be obtained through solving the mode equations.
利用麦克斯韦方程组及其在特定条件下需满足的边界条件，求解波模方程式可以得到电磁波在传播过程中的衰减率。 - Secondly, the concept of attenuation rate of control ability is presented. The capacity of pinning control for the nearest-neighbor coupled complex networks systems is studied. In the following, the validity of different control strategies is compared in the given coupled complex networks.
其次，本文利用控制作用衰减率概念，研究了最近邻耦合网络系统的牵制控制能力，并对此类网络分析了不同的牵制控制策略的有效性。 - Traditional LC circuit has been replaced by coupled-inductance filter to gain greater attenuation rate in the high frequency.
该拓扑结构利用耦合电感滤波网络取代传统的LC电路，以得到高频段更大的衰减率，从而有效抑制输出纹波。 - Using the analytical method of solving the mode equations, combining with numerical method and geometrical optics theory, the formulas of EM wave attenuation rate in laneway were given.
文中主要利用求解波模方程的解析法，并结合了几何光学理论和数值法，给出了电磁波传输的衰减率计算公式。 - The lower the permeability is, the larger the attenuation rate of those parameters is.
渗透率越低，上述各参数随渗透率的降低衰减越快。 - The following conclusions were obtained: dynamic stress increased with the increase of the tamping energy, decreased with the increase of the vertical depth, and the attenuation rate gradually decreased.
得出以下规律：动应力随着夯击能的增加而增大，随着竖向深度的增加而减小，且衰减速度渐渐趋于平缓。