查询词典 fractal dimension

In this paper, a new kind of weighted differential box－counting algorithm of fractal dimension is proposed.

纹理信息是图像的空间信息，它反映了图像的灰度性质及其空间关系。

Based on this, the relation between fracture fractal dimension and the Earth crust activity was discussed.

在此基础上，讨论了断裂尺度分形维数与地壳活动性的关系。

The relation between grain size and fractal dimension is investigated.

考察了晶粒度与分形维数之间的关系。

We get the fractal dimension trajectory of speech.

我们通过实验得到了语音信号的分形维数轨迹。

The result can be validated by the fractal dimension.

这一点也可以从分维数的大小得到验证。

Theoretical calculation formulas of fractal dimension are introduced.

提出了一种图像分形的故障特征提取方法。

Fractal dimension calculation program design and application, this is the journal I hope you will support.

详细说明：分形维数计算程序的设计与应用，这是篇期刊，希望大家支持。

This paper presents an iris recognition algorithm based on fractal dimension in feature extraction.

摘要提出了一种基于极值加权平均分数维特征提取的虹膜识别方法。

It also discusses the methods of computing fractal dimension and the largest Lyapunov exponent.

讨论了分形维与最大Lyapunov指数的计算方法。

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。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。