本研究对肠道压力数据进行分形特性的分析。
In this work the fractal characteristic of colonic pressure data was analyzed through box dimension.
探讨了日流量过程的分形特性,重点研究了分维估计方法。
The methods for estimating fractal dimensions of daily flow hydrograph in a river are mainly presented.
依据岩石强度的分形特性,导出了影响构造地震发生概率的表达式。
Based on the characteristic of rock strength, an expression of happening probability of influencing structural earthquake was derived.
根据雷达回波信号的分形特性,分析提出了雷达作用距离也具有分形特征。
The fractal feature of radar range is introduced based on the fractal feature of radar echo signal.
本文讨论了催化剂表面SEM图象关于多重分形生长过程的分形和多重分形特性分析。
The multifractal growth process of the SEM images of catalyst surface is studied using fractal and multifractal theory.
根据混凝土材料裂纹的分形特性,分析了混凝土的断裂韧度与裂纹带高度之间的变化关系。
Based on the fractal characteristic of concrete material, the relation between fracture toughness and height of crack zone is analyzed.
通过对实际测量的内燃机噪声信号的关联维数计算分析,证明了内燃机噪声信号的分形特性。
From the correlation dimension analysis of noise signals of internal combustion engine, it was proved that engine noise signals have an obvious fractal characteristic.
采用适合离散函数的网格法研究小麦籽粒的长度、宽度、厚度、单粒质量等参数间的分形特性。
Fractional characteristics between length, width, thickness and weight of a single kernel were studied by using net method that adapted to the discrete function.
因此分析DNA序列的分形特性不仅有助于理解生物进化的规律,而且它还有助于了解遗传语言的特征。
The analysis of DNA sequence not only helps us to find out rules in biological evolution but also understand the character of genetic language.
考虑分形特性,在相同加载速率条件下,所得分形维数越大,则分形裂纹速度也越大,这与理论推导是相符的;
This study also finds that under the same loading rates, increasing fractal dimension will result in an increase of fractal crack velocity which is in full agreement with the theoretical prediction.
然后利用电力负荷数据的不同分形特性,将分形外推插值算法应用于电力日负荷、日峰值负荷及年用电量预测中。
Then by use of different fractal property of power load data the proposed fractal extrapolation algorithm is applied to the forecasting of daily load, daily peak load and annual power consumption.
文章通过实验的方法,研究了钙基脱硫剂孔结构分形维数的变化特性,以及分形特性对脱硫剂的硫化能力的影响。
By means of experiment, fractal characteristics of pore structure, and influences of fractal properties of pore structure on sulphurization performance are investigated in this paper.
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.
分析了图像色彩模式与分形特性之间的关系,提出了根据像素的颜色强度来计算不同色彩模式下图像分形维数的方法。
The fractal characteristic and color mode of images were analyzed in the paper, accordingly color strength is suggested to be used to calculate fractal dimension of images for different color mode.
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.
对模拟影像及实际航空遥感影像进行仿真,结果表明:改进后的三棱柱面法较好地保留了遥感影像的分形特性,计算的分形维数也更为准确。
The simulation results with real aviation remote sensing image show that the improved method effectively keeps the image fractal features and can obtain more accurate fractal dimension.
针对复杂背景及目标的分形特性差异,提取图像四个方向的灰度梯度,选择最小梯度大于阈值的区域进行平滑滤波,最后对分维参数进行分段线性拉伸。
Aiming at characteristic differences of background and target, four-direction gradient is extracted out and areas with large gradient are smoothed by a linear threshold filter.
在概括性地阐述分形理论、欧氏几何造型方法及离心式滚磨光整加工方法的基础上,重点分析了L系统分形造型方法和离心式滚磨加工过程中磨块运动的分形特性。
On the basis of generalizing the fractal theory, Euclid geometry mould and the discentral barrel finishing, L-System and the fractal characteristics of the grinder movement is analyzed.
我们认为: 分形畴之所以会出现上述现象,是由于畴壁中的VBL的特性引起的。
We thought that was because of the characteristics of the VBL chains in the wall of the hard domains.
这主要是由于统计自仿射分形的统计特性所决定的。
This is due to the statistic character of statistical self-affine fractal.
本论文从理论和实践上介绍了不同于传统方法的压缩算法—基于遗传算法与视觉特性的分形图像压缩算法。
In this dissertation, from theoretical and practice viewpoint, we present a novel approach to compress gray-scale images based on Genetic Algorithms and Visual Character.
研究表明,利用分形理论可以较好的反映汽液界面的特性。
The study indicates that the fractal theory can reveal the characters of the liquid-vapor interface very well.
分形单元具有三个对称轴,比以前文献中提到的十字交叉形单元具有更好的圆极化特性。
Y-fractal element has three symmetrical axils, so this kind of element has better circularly polarized character than cross dipole element that has two symmetrical axils.
目前分形几何已被广泛应用来研究岩土的孔隙率,输运特性和渗透性等等。
So far, fractal geometry has been widely applied to study the porosity, permeability and percolation properties of the rock and soil, and other materials.
本文分析了分形图形的特点及其描述,从而利用它的内在本质具有自相似的特性,探讨在计算机上绘制分形图案的方法。
This paper analyses the feature and description of the fractal graphics, then makes use of the characteristic of self similarity and probes the method of drawing fractal graphics in computer.
针对风力机叶片结构的运行工况,应用有限元分析方法,对叶片进行动力学建模、动力学特性及应变响应的分形特征研究。
In this paper, we studied its dynamics model, the dynamic characteristic and fractal characteristic of the strain response of the blade with FEM.
最后通过几款包装设计作品,用实例展示了分形图形用于包装的独特性和促销性。
With examples in packaging design, it showed the uniqueness and promotion of fractal graphics for packaging design.
通过分析小波分解作为分形图像编码预分解的有效性和小波域内仿射变换的特性,提出一种基于分类的小波域内的分形图像编码方法。
With analyzing the availability of fractal image coding and the characters of affine transform in wavelet domain, a fractal image coding approach based on classifications is presented in this paper.
引入遮蔽效应分析分形粗糙表面光散射特性。
Through shadowing effect, we analysis light scattering characteristic of fractal rough surface.
并对一些典型的分形天线及分形天线阵列的特性进行了分析。
And some typical fractal antennas and fractal antenna arrays are also analyzed in this paper.
应用推荐