fractal feature
分形特征
2026-03-21 08:09 浏览次数 12
分形特征
experimental results show that the box dimension as a fractal feature is fitter to classify some waveforms, and simpler computation than fft.
盒维数作为波形的一个重要特征,可以用于对振动状态的分类识别;
an efficient local fractal box dimension is proposed to extract local fractal feature of image.
文中提出了一种有效的局部盒维数的计算方法,并用它来提取图像的局部分形特征。
experiments validate the relation between acquisition probability and fractal feature of reference map, which is valuable for the selection of scene matching reference map.
最后通过大量仿真试验验证了分形特征和基準图的正确匹配概率之间的关系,对于景象匹配区的选择具有一定的实用价值。
therefore, describe the fractal feature of acoustic emission time sequence by correlation dimension and research the evolution law of rock damage and failure process.
本论文采用关联维数来描述巖石声发射时间序列的分形特征,研究巖石损伤破坏过程的演化规律。
the relation between fractal feature and the correlation coefficients of reference sub-map is deduced, and the scene navigability analysis method based on fractal feature is also put forward.
接着推导了景象的分形特征与基準子图的二维相关性之间的关系,并提出了基于分形特征的景象适配性分析方法;
finally, it discusses the multiscale fractal feature of quasicrystal conjugate structure.
最后讨论了準晶共轭结构的多标度分形特征。
fractal is introduced to the research fields of concrete. the concrete crushing procedure and fractal feature in aggregate are analyzed.
将分形几何引入到混凝土研究领域,对混凝土的受压损伤破坏过程和骨料所表现出来的分形现象进行了分析。
the fractal feature of m sets and generalized m sets corresponding to different critical points is studied.
研究了临界点对应的m集和广义m集的分形结构特征。
in a word, to study the fractal feature of sandstone grain distribution is directive for analysis in the complexity of sedimentary environment and sedimentary background.
因此,研究砂巖粒度分形特征,对分析沉积环境和沉积背景的复杂性具有指导意义。
in order to detect ship targets under complex sea background, the high-order fractal feature and its application to texture classification are analyzed.
将高阶分形特征用于海面运动目标检测,提取出用于区分运动目标和海杂波的新的分形特征——缝隙特征。
fractal theory was used in this paper, and fractal feature of grain distribution of sandstone in coal-bearing strata in permo carboniferous system was studied.
应用分形的思路和方法研究了石炭-二叠系含煤地层砂巖粒度分布的分形特征。
in the end, simulation results of this method presented are compared with those from fractal feature and extended fractal feature.
最后将该算法的检测结果同分形特征以及扩展分形特征检测结果进行了比较分析。
in the end, the significance of fractal dimension and fractal feature of debris flow morphology was presented in detail.
同时,建立了泥石流流域地貌的统计分形模型,对泥石流流域地貌分维的意义进行了详细论述。
following this discussion, a novel method for extracting the transient fractal feature of the signal was proposed in order to meet the further need of analyzing non-stationary signals.
为满足非平稳信号分析的需要,本文进一步提出了一种对信号瞬态分形特征进行提取的方法,并将此技术用于实际故障的诊断过程。
the experiment showed rock acoustic emission sequence not only has fractal distribution in space, but also has fractal feature in times.
实验证明,巖石的声发射序列不仅在空间上是分形分布的,而且在时间上也具有分形特征。
experimental results show that the fractal feature is effective for surface defects classification.
实验结果表明所提取的分维特征对于缺陷分类有较好作用。
a fractal feature may be analyzed spectrally and spatially due to the 「combination of spectrum and image」 character inhered in hyperspectral images.
高光谱影像具有「谱像合一」的特征,因而可以从谱和像两个角度对高光谱影像进行分形分析。
this software offers simple and convenient ways in the research of fractal feature and worn states' correlation law between equipment fractal parameters and particle image fractal characteristics.
该方法用于磨粒分形特征与磨损状态相关性规律的研究识别,简便快捷。
3-2 「covering carpet」 method and edge detection fractal feature (a) original image;
图3-2「地毯」覆盖法及边缘检测分形特征 (a)原始图像; (b)「地毯」截面图;
under the hypothesis of empty of noise, utilizing technology of phase-space reconstruction to empirically study the chaos and fractal feature of china stock market.
在股价时序数据不存在噪音的假设前提下,利用相空间重构技术对中国股票市场的混沌与分形特征进行实证研究。
the analysis shows that the grain size distribution of soils exhibits a statistical fractal feature and the magnitude of fractal dimension reflects the sizes and uniformity of soil particles.
结果表明:土壤颗粒的粒径分布具有一定的统计分形特征,分维数的数值反映了粒径大小和分布的均匀程度。
multi-scale fractal feature within partial or region is considered in the algorithm, so the object could be detected exactly.
该算法考虑了邻域、或局部范围内的多尺度分形特征,因而能够较为準确地对目标进行检测。