1) numerical fractional differentiation
数值分数阶微分
2) second-order numerical differentiation
二阶数值微分
3) fractional PI~λD~μcontroller
分数阶微分方程数值解
4) differential order
微分阶数
5) fractional-order differential
分数阶微分
1.
Equations between the differential order and the maximum of the fractional-order differential for the specified peak signals are developed based on the variation of the maximum of the specified peak signals at different orders.
首先,利用分数阶微分器获得特定峰信号的分数阶阶微分;然后,利用估计器Ⅰ和估计器Ⅱ提取这些特征峰信号的特征参数。
2.
A fractional-order differentiation filter is designed to obtain fractional-order differential of a given signal and to simplify computation of the fractional-order differential.
设计了一种分数阶微分滤波器。
6) fractional differential
分数阶微分
1.
Image enhancement for rock fractures based on fractional differential
基于分数阶微分的岩石裂隙图像增强
2.
The theoretical analysis shows that fractional differentials can greatly increase high frequency,reinforce medium frequency and non-linearly preserve low frequency of signals,hence they could be used for edge and texture enhancement as well as smooth area preservation.
通过理论分析得出分数阶微分可以大幅提升信号高频成分,增强信号的中频成分、非线性保留信号的甚低频,据此得出分数阶微分应用于图像增强将使图像边缘明显突出、纹理更加清晰和图像平滑区域信息得以保留的增强图像;然后由经典的分数阶微分定义出发,推导出了分数阶差分方程,构建了近似的Tiansi微分算子。
3.
In order to improve signal noise ratio(SNR) of edge extraction,and to detect edge more effectively and exactly,according to fractional order differential difference function which was deduced from classical fractional differential G-L definition,an approximate fractional order differential Tiansi module was constructed.
为了提高图像边缘提取的信噪比,更有效和准确检测图像边缘,由信号的微分特性得出分数阶微分算子较传统1阶和2阶微分算子具有更高的信噪比,然后根据经典的G-L分数阶微分定义推导出的分数阶差分方程,构建了近似的分数阶Tiansi模板。
补充资料:分数阶积分与微分
分数阶积分与微分
og fractional integration and differentia-
分数阶积分的逆运算称为分数阶微分:若几介F,则f为F的:阶分数阶导数(na ctional deriVative).若0<戊
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条