结果表明三个地点的海积软土孔隙多重分形特征存在差异。
The results indicate that multi-fractal characteristics of pores of marine soft soil are different from one to another among the three regions.
结果表明,地震活动时空分布的多重分形特征与不同地球动力学环境关系密切。
The results show that the multifractal characteristics of GSRE are closely related to the geodynamic environment.
通过引入多重分形谱特征参数,刻画了原油和燃料油期货价格系统的多重分形特征。
Applying characteristic parameters of multifractal Spectrum, this paper depicts multifractal characteristic of crude oil and fuel oil futures price system.
提出了一种新的概率函数计算方法,用于研究金融时间序列在方差波动方面的多重分形特征。
A new probabilistic function for studying the multi-fractal features on the volatility of variance of financial time series is proposed.
采用多重分形改进算法提取往复压缩机振动信号的多重分形特征,得到了轴承故障的广义维数谱。
The multifractal features are extracted from the vibration signals of different spots on reciprocating compressor using the improving arithmetic, the general dimension spectrum of bearing.
利用多重分形的概念对海杂波和舰船雷达目标回波进行了分析,并提取出其多重分形特征用于舰船目标检测。
In this paper, sea clutter and radar echoes from ship targets are analyzed with the concept of multifractal, and their multifractal dimensions are extracted for detection of ship targets.
在这部分本文提出了股票数据多重分形特征值的概念,可以用一对多重分形特征值来表征股票序列的多重分形特性。
In this section, the concept of multifractal eigenvalue is proposed, so a pair of multifractal eigenvalue can represent multifractal character of stock series.
利用多重分形消除趋势分析法(MF -DFA)对纽约原油期货日收益率时间序列进行分析,发现纽约原油期货市场具有明显的多重分形特征。
The return series of New York oil futures market is analyzed based on multifractal detrended fluctuation analysis (MF-DFA) method, through which the obvious multifractal behavior has been found.
地球化学场中元素在空间上的分布具有连续多重分形特征,与成矿密切相关的微量元素一般显示左侧开口明显大于右侧开口,而非主要成矿元素则右侧开口较大;
For major ore-forming elements, the range of the left-side of the multifractal spectrum is larger than that of the right-side, but those non-ore-forming (elements) are on the contrary.
首先通过计算原始图像和特征灰度图像的分形维数实现第一次的粗分类提取,然后采用多重分形奇异谱方法进一步完成了细分。
At first, the fractal dimension is extracted from the original image and special gray image for the rough classification, and then the multi-fractal dimension is used for further classification.
从混沌的角度来看,随机过程的多重分形谱是动力系统的重要特征,熵率只是多重分形维中特殊的一维,即信息维。
Known from the theory of chaos, multi-fractal of stochastic process is a key characteristic of its dynamics, of which entropy rate is a special fractal dimension named information dimension.
进一步将多重分形的方法应用到对这些表面的分析中,发现多重分形谱可以全面反映表面概率的分布特征。
Multifractal method is further used in the analysis of surface. It is found that multifractal spectrum can reflect the overall characteristic of the distribution of probability of a surface.
讨论了地震分布的多重分形统计特征。
In this paper, the multi fractal statistical characteristics of earthquake distribution are summarized.
然后对低频子带进行多重分形特性分析,再将多重分形谱作为特征参量进行像素筛选,筛选出标志不同景物的像素点。
Then, multifractal analysis is performed for low frequency sub-band. The multifractal spectrum is used as the characteristic parameters to filter pixels which mark different scenery.
对原始收益率序列进行置乱操作和替代数据处理,发现收益率序列的分布特征是多重分形谱产生的重要原因。
After original returns series are conducted by permuting and surrogate data, it is found that distributing character of returns is important source of multifractal spectrums.
本文研究分析了不同的多重分形算法,确定使用更简便、快速有效的多重分形谱改进算法来求取往复压缩机的故障特征参数。
This paper compared different arithmetic of multifractal, and the improved multifractal arithmetic was used to compute fault feature parameter of reciprocating compressor.
本文研究分析了不同的多重分形算法,确定使用更简便、快速有效的多重分形谱改进算法来求取往复压缩机的故障特征参数。
This paper compared different arithmetic of multifractal, and the improved multifractal arithmetic was used to compute fault feature parameter of reciprocating compressor.
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