• 目的探索肺癌图像纹理维数特征

    Objective: To probe the fractional dimension feature of lung cancers texture.

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  • 采用空间重构关联维数方法研究广西沿岸月平均海平面变化分形特征

    By using the methods of phase space construction and correlation dimension, the fractal character of sea level variation along Guangxi coast was analyzed.

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  • 采用维数方法生长图像表明生长的霜层一定尺度范围内具有分形特征

    The Analyses on frost image by box-counting method express that full growth frost was a fractal structure ranging in some scale.

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  • 采用多重分形改进算法提取往复压缩机振动信号多重分形特征,得到了轴承故障的广义维数

    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.

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  • 河流水系特征可以通过河流特征反映分形河流分形特征的量化表示,其河流洪水之间存在着一定的关系。

    The river fractal features can reflect the features of river systems, and the fractal dimension is an important variable that can reflect the fractal features.

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  • 石油燃烧具有动力学行为特征表面分形维数变化趋势和表面积容积不同。

    The fractal characteristics of petroleum coke combustion are validated, which proves that the change of surface fractal dimension differs from that of specific surface area and pore volume.

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  • 首先通过计算原始图像特征灰度图像的实现第一次提取然后采用多重分形奇异谱方法进一步完成了

    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.

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  • 孔隙轮廓线维数是用来描述孔隙本身所具有分形特征反映土壤孔隙固体颗粒接触界限不规则性。

    The pore profile fractal dimension depicts fractal geometry characteristics of soil pores, which reflects the irregular and rugged boundaries between soil pores and particles.

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  • 维数描述自然界非线性系统中不光滑不规则几何体有效工具,是所有分形对象的主要特征之一。

    Fractal dimension is usually an effective way that used to describe the non-smooth and non-regular geometry objects in the nature and non-liner systems.

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  • 通过木材试样扫描电镜照片,研究了木材剖面多孔结构特征,采用计算了分形维数

    The porous structure of wood samples on their cross sections was analyzed using scanning electron microscope images, and their box-counting dimensions were calculated.

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  • 应用的基本原理考察大豆酸奶酸牛奶是否具有自相似性特征结构最终确定豆浆酸奶和酸牛奶的分形维数别为1.9105、1.9268。

    Box counting method was applied to investigate the fractal structure and the fractal dimension for soy based and dairy yoghurt was determined to be 1.9105 and 1.9268 respectively.

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  • 储层岩石孔隙空间具有良好特征,孔隙结构的分形维数可以定量描述孔隙结构复杂程度均质性。

    There is fractal property in reservoir rocks, the fractal dimension can describe quantitatively the complexity and the heterogeneity of pore structure.

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  • 研究了混沌特征?关联维数计算方法和参选择。

    The calculation of chaos and fractal characteristic parameter, the correlation, is studied.

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  • 并以此研究混合颗粒系统中的热传导,研究发现此混合系统有效率将随着固体体积百,系统结构特征分形维数变化而变化。

    Furthermore, we investigated the thermal conductivity in the mixed system. Found that the thermal conductivity changed with the solid fraction, structural character parameter and fractal dimension.

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  • 实验表明,将纹理图像尺度分形维数结合,既反映物理表面分形尺度范围又反映了尺度范围纹理粗糙程度,从而更有效地描述纹理特征

    Experiments indicate that the fractal scale, together with the fractal dimension can effectively reflect the fractal scale range of natural textures and the texture roughness within the scale range.

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  • 木材纹理图像分形维数可以代表木材很多的纹理特征木材树种一项重要特征

    Fractal dimension of wood texture image can represent a lot of texture features, and it is an important characteristic parameter of timber species.

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  • 结果表明分形维数一个反映岩石损伤断裂机理特征

    The result of this study shows that the fractal dimension of fracture surfaces is a characteristic parameter capable of reflecting the damage-fracture mechanism of rocks.

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  • 根据汽轮机故障特征采用分形方法进行不同故障试验据的分形维数研究计算。

    Using box counting dimension method the different type of turbine fault with fractal characteristic is numerically researched.

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  • 利用理论中的计信息维数关联维数,采取变换取样空间方式研究了武夷山遗产地景区系统分形特征的多尺度效应

    By using box dimension, information dimension and correlation dimension, fractal features of Wuyishan Natural and Culture Heritage were studied at a multi-dynamic scale.

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  • 并基于突变性判据,利用互实际接触面积分形维数曲线随名义应变变化特征得到坝体坝基互的转异判据。

    With the help of catastrophe criterion, the anomalism criterions of the crossfeed between dam body and foundation are acquired from the real contact area or fractal dimension curve vs.

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  • 测量多相材料复合涂层断裂挠度断口表面析了复合涂层断裂特征结果表明随着硬质增加,复合涂层的断裂挠度和断口表面的分形维数

    The test results showed that the fracture deflections of the composite coatings and the fractal dimensions of the fractured surfaces decreased with increasing the contents of hard phases.

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  • 根据几何学重要参———分形可以反映复杂分形体空间特征,将红柳地区构造层断层作为一个平面进行分形维数研究

    The fault system of structural horizon in Hongliu area was taken as a plane set to be studied with the fractal dimension.

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  • 灰度共生矩阵法能够灰度相关性上对纹理特征进行描述维数反映了纹理的结构相似特征

    GLCM describes texture features from pixel correlation of gray and the fractal dimension reflects the structure of self-similar.

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  • 开发设计维数计算软件(FWJS),烧结矿微观组元分形特征处理提供有效帮助

    Computing software on fractal dimension (FWJS) has been designed and developed. It provides help in dealing with fractal characteristics of micro components.

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  • 信号特征基础上,提出利用噪声授权信号分形维数差异授权用户是否存在进行检测。

    Based on fractal box dimension feature of signals, this paper presents a spectrum sensing method employing the difference of fractal box dimension be tween noise and licensed signals.

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  • 储集层岩石孔隙空间具有良好特征,孔隙结构分形维数可以定量描述孔隙结构的复杂程度

    There is fractal property in pore space of reservoir rocks. The fractal dimension can be used to describe quantitatively the complexity of pore structures.

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  • 采用计算方法,黄土丘陵区典型草原带土壤团聚体分形特征及其植被恢复响应进行研究。

    The characteristics of soil aggregates fractal dimension and its responses to vegetation rehabilitation were studied in the Hilly-gully region of Loess Plateau.

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  • 根据实验研究了煤粉颗粒特征及其煤粉粒度分形与其固定挥发含量关系提出了基于考虑能量、环境、安全的煤粉燃烧锅炉的煤粉经济细度概念

    Fractal dimension and its relation with fixed carbon and volatile have been studied. Bring up a new concept of economic granule of coal powder in coal fired thermal power plant.

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  • 研究了混沌特征?关联维数计算方法和参的选择。

    These arithmetics are applied to recognise information of erode features in coating material and compute erode feature parameter of coating material.

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  • 研究了混沌特征?关联维数计算方法和参的选择。

    These arithmetics are applied to recognise information of erode features in coating material and compute erode feature parameter of coating material.

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