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A novel hybrid model for water quality prediction based on VMD and IGOA optimized for LSTM

Frontiers of Environmental Science & Engineering 2023年第7期17卷 133-149页

作者： Zhaocai Wang Qingyu Wang tunhua wu College of Information Shanghai Ocean UniversityShanghai 201306China School of Information Engineering Wenzhou Business CollegeWenzhou 325035China

Water quality prediction is vital for solving water pollution and protecting the water *** terms of the characteristics of nonlinearity,instability,and randomness of water quality parameters,a short-term water quality prediction model was proposed based on variational mode decomposition(VMD)and improved grasshopper optimization algorithm(IGOA),so as to optimize long short-term memory neural network(LSTM).First,VMD was adopted to decompose the water quality data into a series of relatively stable components,with the aim to reduce the instability of the original data and increase the predictability,then each component was input into the iGOA-LSTM model for ***,each component was added to obtain the predicted *** this study,the monitoring data from Dayangzhou Station and Shengmi Station of the Ganjiang River was used for training and *** experimental results showed that the prediction accuracy of the VMDIGOA-LSTM model proposed was higher than that of the integrated model of Ensemble Empirical Mode Decomposition(EEMD),the integrated model of Complete Ensemble Empirical Mode Decomposition with Adaptive Noise(CEEMDAN),Nonlinear Autoregressive Network with Exogenous Inputs(NARX),Recurrent Neural Network(RNN),as well as other models,showing better performance in short-term *** current study will provide a reliable solution for water quality prediction studies in other areas.

关键词： Waterquality prediction Grasshopper optimization algorithm Variational mode decomposition Long short-term memory neural network

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A Novel Teaching Solution for “Operating Systems”

A Novel Teaching Solution for “Operating Systems”

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2012 National Conference on Information Technology and Computer Science

作者： tunhua wu School of Information and Engineering Wenzhou Medical College Wenzhou,China Baogang Bai School of Information and Engineering Wenzhou Medical College Wenzhou,China Ping Wang Department of Environmental Science Wenzhou Medical College Wenzhou,China

Traditional teaching process of "Operating Systems" course has many defects,such as divorce between theory and practice,outdated experimental platform,which result in low learning interest and effect on the course.A novel teaching solution for "Operating Systems" course was proposed in this *** solution is divided into four ***,construct a novel experimental platform based on Ubuntu Linux and Qt *** can easily design any program with GUI interface under Linux system by applying Qt ***,simulate some critical algorithms in the ***,trace Linux kernel code utilizing Qemu virtual machine and *** doing so,students may insight about the structure of Linux ***,modify part of the kernel code and rebuild the *** with traditional teaching model,this solution not only provide attractive experimental platform,but also give the chance for looking into Linux *** practice show that this solution can dramatically improve students’ learning interest and practical ability.

关键词： Operating System education reform Linux kernel Qt Library

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高校教师个人主页定制系统设计

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微型机与应用 2013年第21期32卷 78-80页

作者：金博闻徐峰吴暾华温州医科大学信息与工程学院浙江温州325035

非计算机专业的高校教师缺乏动态网页编程知识,无法自行设计复杂的个人主页。因此,建立一个面向高校教师的、可定制内容的、具有傻瓜化操作界面的个人主页系统具有非常重要的现实意义。本研究建立了一个面向各专业教师的个人主页定制系... 详细信息

非计算机专业的高校教师缺乏动态网页编程知识,无法自行设计复杂的个人主页。因此,建立一个面向高校教师的、可定制内容的、具有傻瓜化操作界面的个人主页系统具有非常重要的现实意义。本研究建立了一个面向各专业教师的个人主页定制系统。实践结果表明,通过本系统教师可快速建立起自己的个人主页,展示自己的科研成果并与学生进行互动交流,增进了师生之间、同行之间的沟通与合作。

关键词：高校教师个人主页定制系统 MVC架构

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