地震反射是典型的非平稳信号，地震谱分解实质上就是连续时频谱分析。
Seismic signal is a typical of non-stationary signal. Spectral decomposition in essence is a continuous time-frequency analysis of a seismic trace.
其他地理学方面的研究也需要类似的计算能力，例如用来预测地震的系统，用于安全性工作的多谱段卫星成像系统。
Other geological efforts require similar computing power, such as designing systems to predict earthquakes and designing multispectral satellite imaging systems for security work.
论述了周期-频度谱方法在分析数字化地震记录中的应用。
Applying period frequency spectrum method to analysis of digital seismic recording is discussed in this parer.
本文提出的方法较易掌握，可以作为工程场地和中小城市地震影响小区划中确定设计反应谱的简化方法。
The method is easy to master, and then, can be used for the definition of design spectra in the seismic microzonation small or moderate cities, and in the site evaluation of engineering projects.
理论计算表明，对不同性质的地震子波，均可从理论地震记录的双谱中重构子波。
Theoretic calculation show that wavelet can be reconstruct from double spectrum of theoretical seismic data for seismic wavelet with different characters.
本文根据历史地震资料按最大熵谱方法对全球及全球各地震区强震活动的时间序列进行了分析。
Based on the historical seismic data, we have analysed the time sequence of the global and regional strong earthquake activities by using the maximum entropy spectrum method.
为了合理准确估计多维结构的地震位移反应，提出了多维能力谱方法的概念及实施步骤。
In this paper, the fundamental concept and implementing procedure of multiple capacity spectrum method are introduced for the veracity of estimating the displacement demands of multiple structures.
地震学理论和强震观测都表明，强震反应谱的形状主要取决于震级、震中距和场地条件。
Both seismological theory and macroseismic observation show that the shape of strong motion response spectrum depends mainly on magnitude, distance of epicenter and engineering site condition.
最后还讨论了把设计地震反应谱转换成地震烈度的方法，给出了建议的转换方案。
Finally, a methodology converting response spectrum of design earthquake to seismic intensity is also discussed; and a conversion scheme is recommended.
中小地震的震源谱可以用“布龙”理论模型表示，传播路径中的几何衰减因子可以用三段几何衰减模型表示。
The source spectrum of small-moderate earthquake can be represented by theoretical "Brune" model, the geometric attenuation factor of whole path can be represented by three-segment geometric model.
利用地震速度谱资料预测地层压力，可以有效地指导钻井和其它油气地质研究工作。
By using the data of seismic velocity spectrum, formation pressure may be predicted, which can direct the research work of drilling and other explorations.
本文提出的“射线参数法”，可由多道地震记录谱直接估算层速度或层速度线性梯度值。
A new method, the ray parameter method, is presented in this paper to derive velocity - or its linear gradient-depth information, directly from multi-channel seismic data.
谱分解技术使常规地震资料达到理论分辨率。
Spectral decomposition technology makes the theoretical resolution of the common seismic data achieved.
由此可以按反应谱理论计算地震荷载。
Hence the earthquake loads can be calculated according to the response spectrum theory.
对爆破地震的振动速度与爆破振动反应谱进行了分析和探讨，为解决工程爆破问题提供了参考意见。
This paper discusses the vibration velocity of blasting seism and the reaction chart of the blasting vibration, and offers some helpful Suggestions about solving engineering blasting problems.
多点地震动输入下反应谱组合系数可以采用数值积分计算，但效率低下。
One can calculate response spectrum combination coefficient under multipoint earthquake motion input by numerical integration, but it has a low efficiency.
利用地震工程中广泛应用的反应谱理论对爆破地震效应进行研究。
The response spectrum that is largely applied in earthquake engineering is employed to study the blast seismic effect.
利用在地震工程中广泛应用的反应谱理论对爆破地震效应进行研究。
Blast seismic effect was studied by means of response spectrum applied largely in earthquake engineering.
人工整理地震速度谱资料是比较繁琐的。
Extracting and interpreting the seismic velocity spectrum data manually is kind of tedious work.
因此采用能反映时频非平稳特性的时变谱密度(即局部谱密度)来描述地震地面运动是非常必要的。
Consequently, it is necessary to describe earthquake ground motion with local spectral density, which is time-dependent and can reflect the non-stationary characteristics.
对大量地震反应谱进行了统计，探讨了滑移隔震结构反应谱的统计特征。
The statistics for quite a lot of the earthquake response spectrums are carried out, then the statistical characteristics of the response spectrum of sliding structures are discussed.
第一种模型是在预测地震烈度和应用地震反应谱的基础上建立起来的；
The first kind of model is based on the prediction of the fuzzy earthquake intensity and the use of earthquake response spectrum.
这说明对于实际地震加速度图，其功率谱是与均值速度反应谱相对应的。
This means that for actual earthquake accelerograms their power spectrum corresponds to mean response spectrum.
最后给出结构地震反应值、楼板反应谱以及分析意见。
Finally, the seismic responses of reactor structure and the floor response spectrum are presented.
而长周期结构采用规范设计反应谱或由地震危险性分析给出的场地设计反应谱计算所得的地震反应结果偏大。
The seismic response of the structure with long period will be over estimated, if the standard spectrum or the design spectrum given by seismic risk analysis is applied.
谱震级是表征地震强弱的量度，是地震学研究中的一个重要的地震参数。
Spectrum magnitude of an earthquake is an important source parameter of earthquake size in seismology research.
定性讨论了采用精确法和其它数值方法计算地震动反应谱的精度和与之相关的问题。
The precision and other problems in calculating response spectra by using precision method and other numerical methods are discussed.
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.
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.
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