地震序列模型确定了断层带内中强以上地震的时间、强度和位置三方面的非随机性,从而导致了地震序列的特定性。
The earthquake sequence model defines the nonrandomeses moderate earthquake in time, intensity and location, thus leading to determination of the earthquake sequence within the fault zone.
基于随机分形理论,采用分数布朗运动模型,应用R/S分析技术和基于小波变换的谱参数估计方法计算地震道信号的赫斯特指数。
The thesis based on random fractal theory, utilizing fractional Brownian motion model, using R/S analysis technique and wavelet transform method to estimate Hurst exponent which dep.
在描述地震发生的随机性时,采用了目前国内外广泛应用的泊松过程模型。
When describing random of earthquake occurrence, Poisson's random process model applied widely home and abroad is adopted.
提出了二维随机地震动输入实用模型,详细论述了重力坝结构随机地震动力响应的分析方法。
A practical model for earthquake movement input is proposed and the method for random seismic analysis of gravity dam is discussed.
考虑地震作用和结构参数的随机性,建立了钢筋砼结构药非线性随机动力学模型。
A nonlinear random dynamic mode with stochastic variations of seismic action and structural parameters is constructed.
以所选模型参数代表点代入地震动随机函数模型,即可以得到地震动时程样本集合。
Substituting the represented points in the proposed random function model and performing the inverse Fourier transform yield the assembles of the stochastic accelerograms.
为了模拟近场强地震动,采用了基于有限断层模型的一种随机合成方法。
A random synthesis procedure based on finite fault model is adopted for near field strong ground motion simulation, in this paper.
采用双过滤白噪声功率谱模型描述地震动,并用林家浩虚拟激励法进行随机响应分析。
The seismic ground motion is assumed to be double filtered white noise, and pseudo excitation approach is employed to calculate the random response.
随机法模拟地震动目前主要采用点源模型和有限断层模型两种方法。
At present, two main stochastic models, point-source model and finite-fault model, are adopted to simulate ground motions.
目前被最广泛接受的地震非平稳随机振动模型是演变随机激励模型。
The most widely accepted for this purpose is the evolutionary random excitation model.
对安装有粘滞阻尼消能支撑的多自由度减震结构基于随机地震动模型的动力反应进行了研究。
The dynamic responses of a multi-degree of freedom seismic reduction structure with a viscous damped brace under a random earthquake motion model were analyzed.
通过对地震记录子波估计的理论模型试验,结果表明这种混沌的优化算法比单一的随机优化方法具有很好的实际效果和应用前景。
The model test results of seismic wavelet estimation show that the method is more efficient than that only use stochastic optimization algorithm.
本文结合大跨度桥梁抗震设计,系统地介绍了随机地震动场的模型以及随机地震动场多点激励下大跨度桥梁地震反应分析的方法。
In this paper, based on earthquake-resistant design of long-span Bridges, the patterns of random earthquake ground motion and the methods of seismic response analysis for long-span...
本文结合大跨度桥梁抗震设计,系统地介绍了随机地震动场的模型以及随机地震动场多点激励下大跨度桥梁地震反应分析的方法。
In this paper, based on earthquake-resistant design of long-span Bridges, the patterns of random earthquake ground motion and the methods of seismic response analy...
理论模型计算和实际资料处理试验表明,使用该方法能有效地分离相干噪声和随机噪声,提高地震记录的信噪比,简单实用,便于操作。
The results of synthetic seismograms and real data indicate that the method can separate coherent and random noise effectively, enhance signal-to-noise ratio…
理论模型计算和实际资料处理试验表明,使用该方法能有效地分离相干噪声和随机噪声,提高地震记录的信噪比,简单实用,便于操作。
The results of synthetic seismograms and real data indicate that the method can separate coherent and random noise effectively, enhance signal-to-noise ratio…
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