Image Watermarking Algorithm Based on Wavelet Transform
超大型浮体在波流相互作用下的非线性水弹性响应
本文解析研究了在均匀流作用下漂浮在流体表面的无限长薄板的非线性水弹性响应。在势流理论框架下,假设流体是无粘的、不可压缩的,运动是无旋的。我们以拉普拉斯方程为控制方程,在板-波-流共同场中构建非线性动力学和运动学边界条件。借助同伦分析方法求得速度势、板挠度的收敛近似解析解;并深入考查了一些重要物理量对非线性水弹动力特性的影响。其中发现薄板的非线性水弹性响应依赖 …
ping-wang
Study on Energy Consumption of Hotel Based on Extended STIRPAT Model
Energy consumption of hotel can be a hot topic in smart city. To find the key impact factors of energy consumption to realize the energy saving target. This paper examined the …
zongjie-du
Study on Energy Consumption of Hotel Based on Extended STIRPAT Model
Energy consumption of hotel can be a hot topic in smart city. To find the key impact factors of energy consumption to realize the energy saving target. This paper examined the …
du-zongjie
Stability Analysis of an Annular Neural Network with Time-Delay Control
In this paper, an annular neural network model with three neurons and delays is considered. Time delay can be regard as a source of instability, so that regarding the time-delay τ …
zunshui-cheng
A study on topography Rossby wave simulation
Rossby Wave is asort of planetary-scale wave with major influence in marine science and atmospheric science. It has long wavelength and propagates slowly. People can only study it …
yuchen-sun
AutoSaver: Cost-Driven Resource Allocation for Multi-Tier Web Application in Virtualization Environment
This paper presents AutoSaver to balance the performance and resource utilization for a web application in virtualization environment. It consists of a feedback utilization …
yang-shuguo
Oscillation Results for Functional Differential Systems
This paper is concerned with the oscillation problem of functional differential systems of the form x'(t) = Q_0x(t) +(?) dη(0)x(t +θ),where Q_0 andη(θ) are in R~ (n×n).Based on its …
Cloud Computing Security Issues and Mechanisms
Cloud computing is regarded as one of the most enticing technologies and potential silver bullet in the IT industry. Because of open condition and general-purpose nature of cloud, …
Estimation of the Portfolio's Value-at-Risk Using Factor APGARCH-M Model
In this paper, a new VaR (Value-at-Risk) model of portfolios is established: factor APGARCH-M (factor Asymmetric Power GARCH-M), which is based on principal component analysis and …
ping-wang