DLA model is often adopted in the fractal dynamics growth models, and the box dimension calculation method is often used to calculate the dimension.
现阶段的分形动力学生长模型多采用DLA模型,而维数的计算多依赖于盒计数法。
Based on the displacement curves of top coal with different strength, the fractal dimension of which is analyzed and calculated according to the box dimension.
本文根据不同煤体强度条件下综放开采顶煤的位移曲线,采用盒维数的分形计算方法对其进行了维数分析。
A box will pop up asking you if you want the hierarchy to be generated for any entities of type Dimension.
系统会弹出一个对话框,询问您是否想为typeDimension的任何实体生成层次结构。
The frequency-magnitude response of the fractal filter and the change of fractal box dimension of white noise and color noise are analyzed.
分析了一阶分形模糊控制滤波器的频率-幅度特性,白噪声和有色噪声分形盒维数的变化;
According to the function and structure and dimension of junction box, the material capability and injecting technology were analyzed, the structure of injection mold was designed.
根据接线盒盒体的功能、结构与尺寸,进行了材料性能、注射工艺等分析,设计了注射模。
Method The value of fractional dimension for liver CT image is calculated by differential box counting.
方法以差分盒计算方法计算肝脏CT图像表面灰度的分维数值。
The qualitative judgment system based on fuzzy control was built after analyzing the relation between quality of spot welding and the box fractal dimension of signals in spot welding.
在对焊点质量与焊接过程中信息的盒维数统计物理关系的分析基础上建立了基于模糊控制理论的焊点质量判定系统。
Based on the fractal theory and computer images analysis technique, a MATLAB program which computes box fractal dimension of material fracture was designed.
基于分形理论和计算机图像处理技术,编制计算材料断口形貌计盒分形维数的MATLAB程序。
The definition of short-time fractal box dimension and the fuzzy control function of the filter are discussed.
讨论了滤波器中时间序列的短时分形盒维数的定义及分形模糊控制函数形式及选用方式。
In this paper, we discuss the calculation method of Hausdorff dimension and box dimension for several special self-similar sets and obtain the corresponding results.
本文主要探讨几个特殊自相似集的豪斯道夫维数与盒维数的计算方法。
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.
应用计盒维数法的基本原理考察了大豆酸奶和酸牛奶是否具有以自相似性为特征的分形结构,并最终确定豆浆酸奶和酸牛奶的分形维数分别为1.9105、1.9268。
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.
在信号分形盒维数特征的基础上,提出利用噪声与授权信号分形盒维数的差异对授权用户是否存在进行检测。
This study depicts the population space distribution under different living circumstances using Box counting dimension.
本研究采用计盒维数刻画了延龄草不同生境下的种群空间分布格局。
The modified box-counting method is used in estimating fraction dimension.
分数维的计算采用改进的盒子计数法。
And gets the fractal dimension from the processed gray image by using method of box dimension, the calculation result indicates that it effectively represents the quality of the workpiece surface.
应用盒子维法对改造后的灰度图像提取分形维数,计算结果表明该方法非常有效的表征了工件表面质量状况。
The NC boring and milling spindle box solid models have been built through 3 dimension software.
主要工作如下:运用三维软件建立了大型数控落地镗铣床主轴箱的三维模型。
The results of simulations indicate that the relationship between melt undercooling and box counting dimension of dendrite is close to parabola.
模拟结果表明熔体过冷度和树枝晶的计盒维数呈近似抛物线关系。
In this paper, we discuss the relation between packing dimension and upper box dimension.
本文研究了填充维数与上盒维数的关系。
Therefore, this paper used improved box-counting approach to compute the fractal dimension of wood texture cell image.
为了提取木材纹理特征,提出采用改进差分盒子法计算木材纹理细胞图像的分形维数值。
All switch and socket must have moistureproof box, and position also wants to inspect the dimension of electric equipment and position and calm, to ensure that the use of convenient and reasonable.
所有开关,插座必须有防潮箱、立场也要视电器的尺寸、位置和冷静,确保使用方便、合理。
The original pictures were converted into binary images, and fractal analysis was performed with the box-counting dimension.
随后采用数字图像处理的方法,将原图像转换为二值图,并使用计盒维数的方法对图像进行了分形分析。
In addition, vector box-counting algorithm was applied in the research to calculate the regional water system dimension, which is a better method than the traditional grid box-counting algorithm.
另外,在计算水系维数时采用的矢量计盒算法,比传统的栅格计盒算法具有更强的优势。
Using box counting dimension method the different type of turbine fault with fractal characteristic is numerically researched.
根据汽轮机故障的分形特征,采用分形盒维数方法进行了不同故障试验数据的分形盒维数研究计算。
In this work the fractal characteristic of colonic pressure data was analyzed through box dimension.
本研究对肠道压力数据进行分形特性的分析。
The box, in concept, is three-dimensional. In addition to the length and the breadth of the usual two-dimensional work, it brings in a new dimension-the height.
盒子的概念是三维的、立体的,它除了平面作品的长、宽之外,介入了新的纬度——厚度。
Based on the relative differential box-counting method of calculating image fractal dimension, a practical approach is presented to detect an artificial target from natural scenes.
基于图像分形维计算的相对微分计盒法,提出了一套实用的自然背景中人造目标的检测方法,给出了检测窗口与尺度选择的标准与参考值。
This method determines the external dimension of packing-box according to package standards and the side of vehicle car. The new packing-box can improve the transport ability of carrier.
该方法结合运输工具的有效装载空间,按国家标准合理的确定包装箱的包装尺寸,使运输工具的运输能力得到提高。
The popular method for fractal dimension estimation is box-counting method, but as to gray level images, the results are so coarse that they could hardly be used as the feature for image analysis.
目前计算分数维广泛采用的方法是盒维数法。但对于灰度图像而言,盒维数计算的结果太粗略以致于很难将它作为进行图像分析的特征。
The popular method for fractal dimension estimation is box-counting method, but as to gray level images, the results are so coarse that they could hardly be used as the feature for image analysis.
目前计算分数维广泛采用的方法是盒维数法。但对于灰度图像而言,盒维数计算的结果太粗略以致于很难将它作为进行图像分析的特征。
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