The energy attenuation formula has the following features: (1) The larger Q is, the more slowly the energy attenuates;
能量衰减公式具有下列性质：（1）Q值越大，能量衰减得越慢；
The existence of various lacunas in bolt bonding system will cause the acoustic wave energy attenuation, phase aberration and frequency dispersion.
由于锚固体系中有不同大小和程度的缺陷，声波在传播过程中将产生能量衰减、相位突变及频散现象。
In this paper, we discussed the underwater sound reverberation of moving medium, which is a non-stationary stochastic process even after compensating its energy attenuation.
本文讨论了运动介质的水声混响过程，在补偿了能量衰减之后，它仍是一非平稳随机过程。
This paper derives an energy attenuation formula of seismic waves in the wavelet-scale domain from the wavelet theory and seismic wave propagation equation in anelastic medium.
本文从小波理论出发，结合地震波在黏弹性介质中的传播方程，推导出小波尺度域地震波能量衰减公式。
When radar signals propagate in the atmosphere, the absorption and scattering of air molecule, aerosol particles, dust and cloud, fog and rain result in energy attenuation of ladar signals.
激光雷达信号在大气中传输时，大气中的气体分子和大气气溶胶粒子、尘埃、雾、雨等对激光信号的吸收和散射导致光信号能量的衰减是影响激光雷达信号传输的重要因素。
Wavelet transform involves the two-variate function of frequency and time, which makes it convenient to simultaneously compensate for attenuation of seismic energy in frequency and time domains.
小波变换作为频率和时间的二元函数，使之可以很方便地在频率和时间域中同时进行地震波能量的吸收衰减补偿。
Analysis of the attenuation law of ground motion energy.
地震动能量衰减规律的统计分析。
Energy dissipation or wave height attenuation is analysed theoretically for water waves propagating on a non-uniform current.
本文对波浪在非均匀流动中传播时的波能耗散或波高衰减进行了研究。
We propose a continuously adjustable, large attenuation factor laser energy attenuator.
提出了一种连续可调、大衰减系数的激光能量衰减器。
The method can be also applied to analyze the attenuation laws of energy for blasting vibration signals during the propagation, blasting mechanism and blasting seismic effects in its entirety.
本方法亦可用于分析爆破振动信号在传播过程中能量随时间的衰减规律，对综合研究爆破机理和爆破地震波有指导意义。
Through the comparison of seismic wave attenuation and plastic strain, except for geometrical attenuation, the plastic deformation of coal and rocks is also contributing to energy consumption.
通过地震波的衰减规律与塑性应变变化的比较可见，能量的消耗除了几何扩展衰减外，煤岩体的塑性变形方面也起了一定的作用。
A wireline well log of the sonic type that locates fractures in the rocks adjacent to the wellbore by the attenuation of acoustic energy across the fracture.
属于声波类型的一种测井方法。根据穿过裂缝的声波能量衰减来确定井眼附近岩石中裂缝的位置。
Furthermore, the attenuation of the guided wave can be scaled by the energy factors.
导波的衰减可以用能量因子来衡量。
The operating distance of a laser radar system is determined on pulse energy, pulse width, beam divergence angular, atmosphere attenuation, target reflection, receiver sensitivity and so on.
激光雷达系统的作用距离由下列因素决定：脉冲能量、脉冲宽度、光束发散角、大气衰减、目标反射率和接收机灵敏度等。
Furthermore the absorption and attenuation of energy of seismic wave in different medium are introduced in this paper.
文中还介绍了波在各种介质中能量的吸收和衰减情况。
The technique makes use of dual energy X-ray imaging, where overlapping tissue signals can be isolated and quantified by exploiting the change in X-ray attenuation at different energies.
这项技术通过双能X-射线成像，重叠的组织信号可以被隔离，并利用不同能量的X射线的改变衰减量化。
Then the color and contrast attenuation models are presented to replace the color term and the contrast term in energy function which will reduce the infection due to illumination.
其次，算法提出颜色衰减模型和对比度衰减模型，改进能量公式中的颜色分量和对比度分量，消除光照变化对于减除结果的影响。
Not only it provides attenuation of EMI energy conducted in power line, but also contributes significantly to the control of radiated EMI.
它不仅能衰减沿电源线传导的EMI能量，同时也对EMI的辐射有显著的抑制作用。
During the development, the production of producers is affected by many factors, such as the attenuation of formation energy, pressure sensitive effect and the attenuation of fracture flow capacity.
对于异常高压特低渗透压敏油藏注水开发困难，一般采用人工压裂依靠天然能量开发，开发过程中油井产量受地层能量衰减、压敏效应以及裂缝导流能力衰减等因素的影响。
The product is a new energy-saving lighting source, with the performance of high brightness, low attenuation, long lifetime and high reliability.
本产品是一种新型高功率节能光源，它具有亮度高、衰减小、寿命长、可靠性高等优点。
Considering the relationship of the attenuation of wave and damage energy dissipation, a new rock damage model is developed for rock blasting.
在考虑岩石冲击损伤过程的声波衰减规律及其与能量耗散率关系的基础上，建立新的岩石爆破损伤模型。
We also investigate the relationship between the total attenuation coefficient and the energy density, pulse duration, and pulse repetition.
我们研究了衰减系数和能量密度、脉冲宽度及脉冲频率之间的关系。
It is based on the attenuation principle of low energy X-ray transmission.
它基于低能X射线透射的衰减原理。
The motor-cable device was modified so that the optimal control was realized by passive control, with less energy used for the space structure vibration attenuation.
通过简单改造的电机拉索结构，该最优控制能采用无需耗能的被动控制方式实现，为航天结构振动抑制节省控制能量。
High brightness, low attenuation, low energy consumption, long service life.
高亮度，光衰低，能耗低，寿命长。
The cylinder in invention is provided with large initial rigidity, high load capacity, slow attenuation of load capacity and rigidity, good total aseismic consumed energy behavior.
本发明的筒体比现有筒体的初始刚度大、承载能力高、承载力和刚度衰减慢、整体抗震耗能性能好。
The cylinder in invention is provided with large initial rigidity, high load capacity, slow attenuation of load capacity and rigidity, good total aseismic consumed energy behavior.
本发明的筒体比现有筒体的初始刚度大、承载能力高、承载力和刚度衰减慢、整体抗震耗能性能好。
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