其他

Adaptive Multi-Dimensional Taylor Network Tracking Control for a Class of Nonlinear Systems featured image

Adaptive Multi-Dimensional Taylor Network Tracking Control for a Class of Nonlinear Systems

This paper is concerned with the problem of multi-dimensional Taylor network (MTN) tracking control for a class of nonlinear systems with unknown control direction. By combining …

avatar
韩玉群
Observer-Based Adaptive Multi-dimensional Taylor Network Control for Nonlinear Systems with Time-Delay featured image

Observer-Based Adaptive Multi-dimensional Taylor Network Control for Nonlinear Systems with Time-Delay

In this paper, an observer-based adaptive Multi-dimensional Taylor network (MTN) controller is proposed for strictly feedback nonlinear systems with time-delay and unmeasurable …

Lei Chu
A Discrete Wavelet Transform and Singular Value Decomposition-Based Digital Video Watermark Method featured image

A Discrete Wavelet Transform and Singular Value Decomposition-Based Digital Video Watermark Method

Digital video watermark is widely used to protect copyright and content authentication. DWT-SVD based method, i.e., discrete wavelet transform (DWT) and singular value …

avatar
刘庆亮
Nonlinear Hydroelastic Interaction among a Floating Elastic Plate, Water Waves, and Exponential Shear Currents featured image

Nonlinear Hydroelastic Interaction among a Floating Elastic Plate, Water Waves, and Exponential Shear Currents

Nonlinear hydroelastic interaction among a floating elastic plate, a train of deepwater waves, and a current which decays exponentially with depth is studied analytically. We …

avatar
王苹
工科研究生《数学物理方程》案例教学研究 featured image

工科研究生《数学物理方程》案例教学研究

《数学物理方程与特殊函数》是理工科研究生重要的公共基础课程之一,它在化学、机电、材 料等领域中有着广泛应用,该课程以从物理学及其他技术科学中产生的偏微分方程为研究对象,对方程 的定解问题的建立过程、典型求解方法及解的定性理论进行分析。基于该课程特点及案例教学法的优 点,本文提出将数学建模思想融入该课程教学的案例教学法,并给出交通、工程技术和环境中的典型教学 …

Xinli Zhang
一种基于胶囊网络的图像检索方法 featured image

一种基于胶囊网络的图像检索方法

作为一种新兴的网络结构,胶囊网络用向量输出替代标量输出,能够捕捉图像特征之间的空间关系,改善卷积神经网络的局限性。首先对胶囊网络进行训练实现图像分类,得到图像的预测类标签,判定出查询图像的所属类别,然后将网络的数字胶囊层中的特征参数作为图像的特征向量,在查询图像的所属类别集合中利用图像特征向量找到与查询图像相似的图像。分别在FASHION-MNIST和 …

Jing Huang
基于Angstrom-Prescott模型和空间插值的山东省月太阳辐射再估算 featured image

基于Angstrom-Prescott模型和空间插值的山东省月太阳辐射再估算

基于Angstrom-Prescott模型和空间插值法构建了山东省各地的月太阳辐射估算方法,并利用山东省3个国家站(济南、莒县和福山)和菏泽、聊城、淄博及青岛的辐射观测数据验证了估算方法的准确性。首先利用山东省3个国家站1992年—2015年的辐射与日照百分率观测数据,采用最小二乘法拟合得到不同月份Angstrom-Prescott模型系数并以2016年观测 …

Renzheng Wang
Cotton Appearance Grade Classification Based on Machine Learning featured image

Cotton Appearance Grade Classification Based on Machine Learning

In recent years, due to the rapid development of Chinese textile industry, the domestic demand for cotton increases sharply. Conversely, the cotton plantation area increasingly …

Yan Lv
A Domain-Decomposition Generalized Finite Difference Method for Stress Analysis in Three-Dimensional Composite Materials featured image

A Domain-Decomposition Generalized Finite Difference Method for Stress Analysis in Three-Dimensional Composite Materials

In this paper, a new framework for stress analysis of three-dimensional (3D) composite (multi-layered) elastic materials is presented. In our computations, the composite material …

avatar
王元元
Femtosecond laser direct writing of perovskite patterns with whispering gallery mode lasing featured image

Femtosecond laser direct writing of perovskite patterns with whispering gallery mode lasing

Hybrid perovskites have recently attracted attention in both materials science and opto-electronics research, because of their excellent opto-electronic properties and facile …

Xiaoyu Tian