地震动能量衰减规律的统计分析。
这样的能量转化也被看作能量衰减。
Such energy transformation is also known as energy degradation.
提出了一种连续可调、大衰减系数的激光能量衰减器。
We propose a continuously adjustable, large attenuation factor laser energy attenuator.
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 energy attenuation formula has the following features: (1) The larger Q is, the more slowly the energy attenuates;
研究发现，等离子体的自由电子密度越高，电磁波的能量衰减越快。
The results illustrate that the wave attenuation is stronger at higher plasma density.
解，推导出电磁波能量衰减与电磁波频率和等离子体密度的关系式。
B solution, the function of wave attenuation, wave frequency and plasma density is deduced.
该文用链式模型和诸能量原理为圣维南原理提出了几个一般性的能量衰减指标。
Several common energy indices of Saint-Venant's principle are put forward by means of the chain model and energy principles.
整体能量衰减速度减慢，并提出周期型、弧线形、直线型三种能量的衰减模式；
Energy decreases slows down and extracting three kinds of decay mode: cycle type, arc-shaped, linear type;
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。
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.
提出了利用敏感区域改进双快速行进法与利用能量衰减方程除去区域间耦合的图象分割新方法。
A new image segment method was proposed based on improved dual fast marching method by sensitive region and energy descendent equation to decrease the coupling of regions.
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。
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.
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。
The existence of various lacunas in bolt bonding system will cause the acoustic wave energy attenuation, phase aberration and frequency dispersion.
主要采用了F - K域滤波法、内切除和近道能量衰减法压制多次波三种技术，取得了较好的效果。
Mainly used three methods, including including the F-K domain filter, internal excision and the energy decay method to attenuate multiple and obtained a more ideal result.
本文对激光在大气中传输的各种能量衰减机制进行分析和讨论，为激光雷达系统的设计提供理论依据。
In this paper, the attenuation mechanisms of ladar signals propagating in the atmosphere are discussed and analyzed, and these give a theoretical basis of design of ladar system.
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。
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.
研究激光光束在井下空气介质中的传播规律，从理论和实践上探索和分析井下激光能量衰减的主要原因。
The propagation characteristics of laser beam in underground air medium were studied, primary causes of the laser energy decaying in the underground were explored theoretically and practically.
提出了能量衰减函数的概念，并由实际能量衰减函数与估算能量衰减函数之间的方差最小来确定非线性阻尼系数。
The concept of roll energy decay function is put forward, and the nonlinear damping coefficients are solved based on the minor error between actual energy function and evaluated energy function.
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。
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.
他发现，声音回声衰减的时间长短取决于周围物质对声音原始能量的吸收。
He found that the length of time it takes a sound's echo to decay is determined by the absorption of the sound's original energy by surrounding material.
其结果就是，随着能量的衰减，会议的效率就越来越低。
The net result is that each successive meeting gets less effective as energy wanes.
这就意味着没有足够的热能，使这些能量大于kT的状态被占据，我们有一个非常陡峭的衰减。
It saying there's not enough thermal energy to populate, to knock things into states whose energy is much higher than that. So you have a very precipitous decay.
Hawking说明了黑洞向外辐射能量并随着时间衰减(前文提到的Hawking辐射)。
Hawking showed that black holes radiate energy and decay over time (the aforementioned Hawking radiation).
在你的写字台放上一大瓶可乐，你的能量会因碳水化合物而快速迸发——不过不久之后能量就会衰减。
If you scoff down fast food, plus a large coke, at your desk, you'll get a quick energy boost from all the simple carbs - followed by a crash soon after.
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。
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.
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。
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.
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。
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.
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。
Considering the relationship of the attenuation of wave and damage energy dissipation, a new rock damage model is developed for rock blasting.
本论文研究自由端具有局部粘弹性阻尼的悬臂梁的能量指数衰减问题。
In this paper, we consider the exponential decay of energy of the cantilever Timoshenko beam with local viscoelastic damping on the free end.
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。
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。
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.
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