尺度不变性可用分形和多重分形模型来表征。
Scale invariance can be described by means of fractal and multifractal models.
按分形模型计算的孔洞容积与实测结果符合较好。
The pore volume obtained from the model calculation and that from the practical measurement …
分形模型是刻画成矿元素品位分布特征的有效工具。
Fractal model was an effective tool to describe the distribution characteristics of ore-forming elements.
根据该分形模型，讨论了结合面接触热阻的影响因素。
The influential factors in the resistance are discussed based on the model.
提出了一个二维的分形模型来计算木材横纹有效导热系数。
A two-dimensional fractal model was proposed to predict the effective thermal conductivity perpendicular to fibres of wood.
建立了多孔介质渗透率的分形模型，并分析了毛细压差对渗透率的影响。
A fractal permeability model is derived which accounts for the capillary pressure, and the permeability contribution from the capillary pressure is analyzed.
基于元胞自动机分形模型，探讨了散粒体自组织临界性(SOC)的机制。
Based on a fractal cellular automata model, the mechanism of self-organized criticality (SOC) of granular mixtures was investigated.
为了制备高分辨率的地形图，建立了地形的分形模型，然后进行插值处理。
Fractal terrain model is established for interpolation to obtain terrain graphs of high spatial resolution.
首先给出了数据流上的分段分形模型，进而基于该模型设计了突变检测算法。
First, the piecewise fractal model on data stream is introduced, and then based on this model the algorithm for detecting bursts is presented.
研究表明分形模型常常提供有力工具来刻画地质量和物体的基本空间分布结构。
It has been shown that fractal modeling often provides powerful tools for characterizing underlying spatial distribution structure of geological quantities and objects.
根据矿床储量的统计自相似性，应用概率统计方法建立了矿床储量规模的分形模型。
Based on statistical self-similarity of reserves of ore deposits and applying the methods of probability and statistics, a fractal model of reserve-size was established.
基于磨损表面的分形表征、经典接触理论和磨损理论，建立了磨合磨损预测分形模型。
Based on the fractal characterization of worn surfaces, classical contact mechanics, and wear theory, a fractal model for predicting wear during the running in process was developed.
将计算数据与传统的分形模型和实测雷达数据进行比对，证明了该模型的准确性和有效性。
Compared with the conventional fractal model and the real radar data, this model is proved to be accurate and efficient.
对实测数据的分析结果表明，分形模型与传统的统计模型相比能更精确地描述多径衰落信号。
Simulation results from practical measured signals demonstrate that the fractal model can describe multipath fading signals more accurately compared to the conventional statistical models.
建立管网分形模型，并给出了合适的分形算法和计算程序，能够方便的计算出管网分形维数。
Network fractal model is built and proper algorithm is put forward too, so is the program. With them, we can calculate fractal dimensions conveniently.
目前常用的粒度分形模型尚未考虑到这种情况，应用到岩土粒度分布描述时存在较大的误差。
The traditional fractal model does not consider the larger error that may be produced when the traditional fractal model is employed in describing the size distribution of sedimentary rock and soil.
利用分形模型，我们对北京市周边小区的管网的分形维数进行了计算，并得出相应的分维值。
Applying the model, we calculate several networks in Beijing suburb districts and yield corresponding fractal dimensions.
在建立接触副统计表面分形模型的基础上，分析了不同加载条件下的接触应力对磨损状态的影响。
The statistical fractal model of contact surfaces is presented, and the influence of contact stresses on damage states under different load condition is analyzed.
利用分形模型对木材径向有效导热系数进行了计算，并与实验测量结果和文献中的数据进行了比较。
According to the proposed fractal model, the radial effective thermal conductivity of wood was calculated and compared with the experimental measurement results and the data in the reference.
基于分形理论构建了颗粒填充高分子复合材料拉伸断口的分形模型，进而提出了分形维数计算公式。
A tensile facture fractal model of grain filled polymer composites on the base of the fractal theory was established, and an equitation of the tensile fracture fractal dimension was proposed.
在毛管压力曲线分形模型和分数维的基础上，能准确确定任意含水饱和度，提高了饱和度的预测精度。
Based on the fractal capillary pres sure model and the fractal dimension, the water saturation is calculated accurately, and the reliability of the water saturation is increased.
首先建立二维真彩ifs分形模型，然后通过仿射变换的对应、规范化、匹配及插值实现了变形过程。
First we construct a model of 2d true-color IFS fractals, then realize the morphing process by affine transformation corresponding, canonizing, matching and interpolation.
提出了一种更为简单的估算岩石断裂面粗糙度(jrc)值的分形模型，可用来模拟岩石断裂面剖面线。
A simpler fractal model to estimate the joint roughness coefficient (JRC) is suggested. It can be applied to simulate rock discontinuity profiles.
理论分析和实验表明，天然粗糙面杂波和分形模型相吻合，分形模型可有效地对天然粗糙面杂波进行建模。
Theoretical analysis and experimental results prove that the fractal model matches the clutter from a natural rough surface and models it effectively.
本文建立了土体孔隙分布的分形模型，导出用分维和进气值表示的水分特征曲线和渗透系数的理论表达式。
By using this model the soil-water characteristics and permeability coefficient of unsaturated soil are deduced and expressed in fractal dimension and air-entry value.
在对M - B接触分形模型改进的基础上，根据阿查得粘着磨损理论导出了基于分形参数的粘着磨损模型。
An adhesive wear model based on fractal parameter is derived on the grounds of adhesive wear theory by modifying the M-B fractal contact model.
在煤的粉碎过程中其粒度分布具有自相似特征，可以用粒度分布的分形模型来拟合煤粉碎过程中的粒度分布特征。
The particle size distribution of coal has self similarity during the grinding process and can be fit by the fractal equation of particle size distribution.
结论：利用“等值线-面积”多重分形模型所确定的疾病空间异质性结构及其界限能准确反映疾病空间异质性变化的本质规律。
Conclusion: the structures and boundaries of spatial heterogeneity of disease identified by CAMM can display the spatial characteristics of disease accurately.
实验结果表明，这一新的非线性分形压缩模型简单可行，并具有良好的压缩结果和高质量的重建图像。
The experimental results show that the new model is very simple and has better compression results and high quality rebuilding image.
实验结果表明，这一新的非线性分形压缩模型简单可行，并具有良好的压缩结果和高质量的重建图像。
The experimental results show that the new model is very simple and has better compression results and high quality rebuilding image.
应用推荐