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- The ratio of energy dissipation W(subscript J)/W(subscript I) increases nonlinearly with increment of fractal dimension D of the jointed surface. 节理岩石的能量耗散比W(下标J)/W(下标I)随节理面分维值D增大而增加,两者呈非线性关系;
- The research indicated that the fractal dimension D can avoid the some shortcomings of CSIR method in evaluating the quality of rock mass, and can be used as a quantitative index for evaluating the quality of rock mass. 研究表明,分维数D能够弥补方法CSIR在评价岩体质量中的某些不足,可以作为岩体质量评价的一个定量指标。
- Fractal dimension D tokens the degree of roughness of part terrain,; Variance shows the degree of terrain gurgitation,; Information entropy indicates the terrain variety in a certain direction. 分数维数表徵了局部地形粗糙的程度;方差值表徵了地形起伏的程度;作息熵表徵了在某一具体方向上的地形变化情况。
- Fractal dimension D 粒度分形维数D
- Review on methods of calculating fractal dimension. 分形维数计算方法研究进展。
- Fractal dimension is a vent important feature in fractal analysis. 摘要分数维是分形分析的重要特征量。
- Keywords fractal dimensions (D ) chunkiness( C ) compactness( E ) gold vein; 分维数;几何丰度;有效紧密度;金矿脉;
- Farther more, a method of evaluating fractal dimension (D) of JRC scalc effects is given. Fractnl dimension (D) gotten by this method has a definite physiccal meaning. 本文介绍了一种确定JRC尺寸效应分维数D的方法,由此确定的分维数D具有明确的物理意义。
- The relationship be-tween grain size and fractal dimension is investigated. 考察了晶粒度与分维之间的关系。
- The land of fractal dimension value is vary from 1 to 2.When the value of D is 1.5,namely D is critical value,the change mode of land types is Brown random movement. 斑块的分维数介于1到2之间,当分维数D为1·5时,是斑块的临界值点,代表斑块处于布朗随机运动状态。
- At present, the fractal dimension is acquired by the scanning electron microscopy.But it is not easy to use it to calculate D .Based on proposed fract... 本文提出了在建立毛细管压力分形模型的基础上,运用毛细管压力资料预测分形维数D。
- The differences of these charts are also illuminated from fractal dimension. 同时从分形维数的角度对这些图形之间存在的差异进行了说明。
- Fractal dimension does have some correspondence with the type of failure. 分形维数与故障类型之间存在某种对应关系。
- Wood surface roughness was studied by using fractal dimension method. 应用分形维对木材表面粗糙度特征进行研究。
- Based on four stages of Ariel image since 1959,and supported by ARC/INFO,the similarity index to circle (SIQ) and fractal dimension (D f) of all types of landscape patches in Guandishan forest region were analyzed in this paper. 以 195 9年以来 4期航片为基础资料 ,在ARC/INFO支持下 ,分析了关帝山天然次生林区森林恢复过程中各类景观要素斑块异圆指数和类斑边界分维数及其动态。
- Locus Intersection Method of dimension d(LIMD) is a typical algorithm used in the area in GCS, This paper extended this algorit... LIMD是约束求解中一个应用较广的算法;作者对该算法进行了拓宽和改进;提出了具体解决方法;并得到了较好结果.
- The Earth crust activity of different geotectonic elements could be estimated with the fracture fractal dimension. 利用断裂尺度分布的分形维数值的大小,可以定性判断不同大地构造单元的地壳稳定性。
- Fractal dimension is an important parameter to characterize roughness in an image. 分形维数是描述图像粗糙程度的主要参数。
- Value of fractal dimension (D) which can be used to describe the pore structure of hardened cement pastes decreased with the prolongation of hydration but increased with the augment of coal stone. 分形维数值随著水化龄期的延长而减小,但随著煤矸石掺量的增大而增大。其可以用来表徵硬化水泥浆体的孔隙结构特徵。
- A crucial feature in characterizing a fractal pattern is the fractal dimension, or D, which quantifies the scaling relation among the patterns observed at different magnifications. 碎形图案的一个重要特徵是碎形维度(以下简称D),它可用来量化图案在不同放大尺度之下,所显示出来的比例关系。