还研究了桩中弯曲波的衰减。
The attenuation factor of flexural wave in the pile is also analyzed.
可用破裂岩石试件中应力波的衰减决定岩石的脆度。
The degree of brittleness of rock was determined by using the attenua…
膨胀石墨蠕虫对毫米波的衰减为散射和吸收作用的综合结果。
The millimeter wave attenuation of expanded graphite is a comprehensive actions of scattering and absorption.
目标物体上表面波的衰减吸收对目标的隐身起到很大的作用。
Attenuating and absorbing of surface wave on targets is vital for targets' stealth.
相同水雾密度时,水雾的雾滴直径越小,冲击波的衰减率越大。
For the same mist density, the decay ratio of the shock wave increases with the decrease in the water mist diameter.
下行波的衰减规律符合指数衰减,但上升波的衰减并不符合这一规律。
Downward wave amplitude decay in negative exponential function, but the upward wave amplitude is not the case.
微震监测和音频电透视结果证明,岩体破裂区和富集水区的存在加速了波的衰减。
Microseismic monitoring, together with the result of audio perspective drawing indicates that fractured and water-charged regions significantly accelerates seismic attenuation.
以波的电矢量为例,具体讨论了衰减电磁波的振幅、波长、位相以及衰减波的衰减长度。
For the electric vector of electromagnetic wave. we discussed its amplitude, wavelength, phase, and attenuation length.
并且尘埃等离子体层对电磁波的衰减随尘埃粒子浓度以及尘埃粒子半径的增大而明显增强。
The attenuation of the electromagnetic wave from the layers of the dust plasma increases with the increase of density and size of the dust grain.
通过数值结果对纵、横波之间的耦合程度以及介质的不均匀性对波的衰减作用进行了讨论。
A discussion is made on the coupling intensity between the compressional and shear waves and the amplitude attenuation resulting from the inhomogeneity of the medium.
提出了一种利用爆轰波垂直入射时水中冲击波的衰减曲线计算凝聚炸药爆轰波剖面的特征线方法。
This paper presents a method of characteristics to calculate the structure of the detonation wave in condensed explosive by the decay shock curve data obtained in the aquarium test.
其它位置上量计的测试曲线亦反映了材料对压剪波传播的动态响应特点,可以看到剪切波的衰减规律。
In the experiments, two-wave construction of compression-shear waves that propagated into the materials were observed clearly, the longitudinal and transv…
通过对冲击波、爆轰波衰减渐近规律的分析,推导出柱面、球面强爆轰波的衰减有限距离的函数表达式。
The finite attenuation distance of the cylindrical and spherical detonation was deduced through analyzing the asymptotic attenuation.
本文主要研究高维空间中带有退化粘性的标量守恒律方程的光滑解的整体存在性,以及该解逼近强平面稀疏波的衰减率。
This paper is concerned with the decay rates of the solution to the strong planar rarefaction waves for scalar conservation laws with degenerate viscosity in several space dimensions.
采用垂直入射具有金属衬底的均匀等离子体模型,对不同入射频率的电磁波的衰减以及总出入射功率比进行了数值模拟。
In a model with vertical incidence of plane electromagnetic wave into plasma slabs with metal underlay, the attenuation of electromagnetic wave and reflected power are deduced.
热辐射密度以核爆点距离平方倒数的速度衰减,爆炸、冲击波、致电离辐射效应的衰减速度则更快。
The intensity of thermal radiation decreases only as the inverse square of the distance from a nuclear detonation, while blast, shock, and prompt ionizing radiation effects decrease more rapidly.
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.
然而,利用这种性质来衰减观测的面波并非十分容易。
However, it is not trivially easy to use this property for the attenuation of the detected surface-waves.
该方法把由声波测井数据得到的斯通·利波衰减分为介质内衰减和孔隙流体渗流衰减两部分。
In this method, Stoneley wave attenuation from AC log is divided into two parts: attenuation through porous media and percolation attenuation through pore-fluid.
三体船模型横摇试验包括静水中的自由横摇衰减试验、规则波中的零速横摇试验。
Free decay experiments were conducted in calm water at various model speeds and roll experiments in transverse regular waves at zero speed.
在实验室内用频谱振幅比较法模拟测试了储集层岩石在高温高压下的弹性波振幅衰减值。
Attenuation of wave amplitude of reservoir rock at simulated high temperature and pressure is measured with spectrum-amplitude comparison mediod in laboratory.
结果表明,层中波场由一系列柱面波组成,其衰减特性与围岩中的规律不同。
The results indicated that the field in the stratum is composed of a series of cylinder wave which has the attenuation different from the country rock.
本文给出了表面多次波衰减方法的研究现状的系统阐述,并分析了表面多次波衰减研究的发展趋势。
The research progress in SRM attenuation is presented in this paper, and also the SRM future research direction.
研究平面电磁波在等离子体中的非线性吸收衰减。
Nonlinear absorption and attenuation of electromagnetic plane wave in plasma are investigated.
频敌和衰减是面波传播中的两个基本特征,利用面波频散和衰减可以有效地研究地球内部速度结构和粘弹性结构。
Two of the most predominant characteristics of Surface Wave are Dispersion and Attenuation which are the effective tools to study the velocity structure and viscidity structure of the earth interior.
采用X纤维为吸波涂料的吸收剂,制作不同厚度的吸波涂层,测试相应的雷达波反射衰减值。
Microwave Absorbing coatings with different thickness were prepared by fiber X as the Absorbing agent, and the reflecting attenuations of the radar wave were researched.
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.
利用面波衰减的Q模型,反演出近地表的Q值。
Surface wave Q model with attenuation is used to inverse near surface Q value.
提出了一种新的基于随机衰减信号的谱分析方法以用于船模耐波性能分析。
A new spectral analysis method based on random decrement signature was presented for ship seakeeping performance analysis.
提出了一种新的基于随机衰减信号的谱分析方法以用于船模耐波性能分析。
A new spectral analysis method based on random decrement signature was presented for ship seakeeping performance analysis.
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