查询词典 fractal

Some basic theories on fractal and fractal dimension are introduced in this paper.

文章介绍了分形和分维的基本理论，并且利用分形理论对675钢断裂面的分维进行了分析，在此基础上探讨了分维对塑性金属材料断裂的影响。

A fast method for fractal image coding based on fractal dimension is proposed.

提出了一种基于分形维数特征分类的快速分形编码方法。

Because one need to search H in the range of 110, 1 and calculate the autocorrelation function many times, the concise formula of autocorrelation function of discrete fractional Gaussian noise is used to improve the processing speed. Simulation results have shown that it can estimate H accurately and more effectively than conventional LMS based on autocorrelation ftinction for both pure fractal signal and noise-corrupted fractal signal.

接着我们研究了在白噪声背景下进行分形参数估计的相关函数法，针对其在计算中需反复使用自相关函数的特点，提出了一种改进的相关函数法，实验表明，改进的方法在精度上几乎没有损失，而大幅度地提高了计算效率。

We are trying to discuss and depict Jiangsu contemporary Art with the term from Mathematics, Fractal, imago of Fractal,that it is.

我们借用数学上的专有名词，试图用"分形意象"来探讨和描述江苏当代艺术的形态。

In order to reduce the computation of fractal-based interpolation, an interpolation method based on fractal templates is introduced.

其次，为减少基于FBM模型的图象插值的计算量提出了一种基于模板的图象插值方法。

Fractal image compressing is a new image compression method based on fractal Iterated Function System.

分形图像压缩是一种基于分形迭代函数系统理论的图像压缩方法，压缩比大，但编码过程计算复杂，编码时间长。

Fractal image compression is first proposed by Barnsley and is developed from the mathematical theory called Iterated Function Systems, which is an important branch of Fractal Geometry.

分形编码是由Barnsley首次提出的，源于迭代函数系统理论(分形几何的重要组成部分)。

By the integration of wavelet transforms and fractal coding and by use of self-similarities, the image compression coding based on wavelet transforms and fractal coding is proposed with the iterated function system.

对小波变换、分形压缩编码的原理和特点进行了分析；结合小波变换和分形压缩编码，利用分形的自相似，研究了基於小波域的分形图像压缩方法。

This article uses the Fractal and Lyapunov-Bxponent to analyze and discuss the Iterated Function System. Some fractal pictures were drawn using Matlab.

本文利用分形维和李雅普诺夫特征指数对迭代函数系统进行了分析和探讨，并利用Matlab绘制了一些分形图形。

This is a fractal graphics procedures, can be achieved C curve, KOCH curve, fractal tree.

这是一个分形图形实现程序，可以实现C曲线，KOCH曲线，分形树。

Objective:To explore the feasibility of laparoscopy in diagnosing and treating of abdominal diseases.

目的：探讨腹腔镜用以诊断腹部外科疾病及选择治疗方案的可行性。

The lifetime of nylon 1010 and nylon 1010/POSS composites decreased with increasing temperature.

热重-红外联用分析表明尼龙1010在氮气气氛下的降解产物主要为小分子的低聚物，POSS并不改变尼龙1010降解产物的组成。