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- The fractal feature of the multipath fading signals is analyzed and duscussed using the multi fractal model. 利用多重分形模型对多径衰落信号的分形特征进行了分析和讨论。
- Experimental results show that the box dimension as a fractal feature is fitter to classify some waveforms, and simpler computation than FFT. 与频域模态参数识别的方法相比较;盒维数方法更简单易行.
- Yang Pingxian, Zhang Jiashu, Li Defang.Study for image edge detection based on fractal feature[J].Telecommunication Engineering, 1998,38(4): 54-57. [9]杨平先;张家树;李德芳.;基于分形的图像边缘检测研究[J]
- Liumiao-long,Huangpei-bei, Spatial-temporal evolution of fractal feature in traffic network of Shanghai metropolis[J].Scientia Geographica Sinica.2004,Vol 24(2):144-149. [4]刘妙龙;黄蓓佩.;上海大都市交通网络分形的时空特征演变研究[J]地理科学;2004;24(2) 144-149
- By taking Tao Yuan F2 fault gouges for research object, the relationship between fault gouges" fractal feature and fault movement characteristic is studied based on fractal theory. 论文以F_2断层为研究对象,根据分形理论,探讨了F_2断层泥的分形特征与断层运动方式的关系。
- Fractal feature of chitosan has been studied by atomic force microscopy(AFM) and computer simulating, and self-assembly complex film of chitosan/heparin has also been studied by AFM. 用原子力显微术及计算机模拟计算研究了壳聚糖的分形维数,壳聚糖与肝素形成的自组装复合膜。
- Abstract: This paper analyzed the fractal features of particle size distribution (PSD) of soils in China. 文摘:以土壤颗粒组成数据为基础,分析了我国土壤颗粒组成的分形维数。
- The results show that linear fractal features exist in the grain size of laterite. 研究结果表明:不论是否加分散剂,红土的颗粒粒度都存在线性分形结构。
- Static approaches of modeling 3D tree generally utilize fractal features and stochastic features of tree. 静态的树的3D造型方法通常利用树的分形特征和随机性。
- The micro cracks of concrete that formed during the injury evolution have obvious self-similarity features, which are known as fractal features. 摘要混凝土在损伤演化期间所形成的微裂纹具有明显的自相似特征,即分形特征。
- The result of the explorative investigation shows that the fractal features are concerned with the condi.tions of the char combustion. 初步研究结果表明分形特征与碳焦燃烧工况有关。
- The fractal features of accident time series were studied by using G-P(Grassberger-Procaccia)arithmetic and correlation dimension of accident time series was calculated out. 研究结果表明:当嵌入维数达到8以后;该事故动力学系统具有稳定的关联维数4.;7;说明至少有5个因子在影响着事故时间序列的动态变化;并且该系统的有效自由度为8。
- It is found that fractal features are different in different areas, and fractal dimension can be used to describe the heterogeneity of porous structure quantitatively. 研究表明孔隙的分形特征是分区域的,分形维数可以定量描述孔隙的非均质性,分形维数大,砂岩孔隙分布的非均质性强。
- 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. 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 statistical fractal features of the original coarse terrain data set were determined through linear regression, based on which a denser terrain can be derived by means of bilinear interpolation. 首先通过线性回归得到原始稀疏三维地表数据的分形统计特性,再以此特性??基础采用双线性插值的思想来构造更??稠密的自然地貌。
- The main feature on the program is her song. 那个节目的主要号召物是她的歌。
- Wet weather is a feature of life in this area. 天气潮湿是这个地区生活的一个特色。
- I do not realize it is a double feature. 我原先不知道这是双片连映。
- A main feature of computer virus. 计算机病毒的一种主要特性。
- Wavelet- based Fractal Feature of the Steel Strip's Surface Defects 基于小波变换的带钢表面缺陷分形特征研究