资源类型

期刊论文 347

会议视频 33

年份

2024 1

2023 40

2022 58

2021 43

2020 32

2019 29

2018 18

2017 27

2016 16

2015 18

2014 11

2013 7

2012 7

2011 8

2010 10

2009 1

2008 7

2007 8

2006 6

2005 2

展开 ︾

关键词

大数据 20

数据挖掘 7

机器学习 5

人工智能 4

农业科学 4

智能制造 4

信息技术 3

区块链 3

能源 3

分布式系统 2

医学 2

大地水准面 2

工业大数据 2

抗击疫情 2

数据集成 2

数据驱动方法 2

材料设计 2

环境一号卫星 2

结构健康监测 2

展开 ︾

检索范围:

排序: 展示方式:

Towards a respondent-preferred ki-anonymity model

Kok-Seng WONG,Myung Ho KIM

《信息与电子工程前沿(英文)》 2015年 第16卷 第9期   页码 720-731 doi: 10.1631/FITEE.1400395

摘要: Recently, privacy concerns about data collection have received an increasing amount of attention. In data collection process, a data collector (an agency) assumed that all respondents would be comfortable with submitting their data if the published data was anonymous. We believe that this assumption is not realistic because the increase in privacy concerns causes some respondents to refuse participation or to submit inaccurate data to such agencies. If respondents submit inaccurate data, then the usefulness of the results from analysis of the collected data cannot be guaranteed. Furthermore, we note that the level of anonymity (i.e., -anonymity) guaranteed by an agency cannot be verified by respondents since they generally do not have access to all of the data that is released. Therefore, we introduce the notion of -anonymity, where is the level of anonymity preferred by each respondent . Instead of placing full trust in an agency, our solution increases respondent confidence by allowing each to decide the preferred level of protection. As such, our protocol ensures that respondents achieve their preferred -anonymity during data collection and guarantees that the collected records are genuine and useful for data analysis.

关键词: Anonymous data collection     Respondent-preferred privacy protection     k-anonymity    

一种用于寻找无人船回收海床基数据最佳通信点的梯度上升控制法 Research Papers

Jiu-cai JIN, Jie ZHANG, Zhi-chao LV

《信息与电子工程前沿(英文)》 2019年 第20卷 第6期   页码 751-759 doi: 10.1631/FITEE.1700732

摘要: 给出了一种在无人船声学回收海床基数据时寻找最佳通信点的控制方法。众所周知,梯度上升极值寻找法常应用于多平台或多智能体,这是因为多平台能大范围测量且易于梯度估计。单一平台测量范围有限,不能快速估计测量场,难以迅速获得测量场极值。本文提出一种无人船振荡运动形式,以获取海床基与无人船间水声通信链路强度数据。基于多元加权线性递归法,利用无人船振荡运动获取的新数据,不断更新水声通信链路强度场。基于梯度上升和人工势场方法,考虑未知场的递归估计,设计无人船最佳通信点控制器,并证明其稳定性。仿真结果表明该算法可靠、高效。

关键词: 无人船;数据回收;水声通信;梯度上升;极值寻找    

Experiment and optimal design of a collection device for a residual plastic film baler

Qi NIU,Xuegeng CHEN,Chao JI,Jie WU

《农业科学与工程前沿(英文)》 2015年 第2卷 第4期   页码 347-354 doi: 10.15302/J-FASE-2015077

摘要: It is imperative to carry out research on residual plastic film collection technology to solve the serious problem of farmland pollution. The residual plastic film baler was designed as a package for film strip collection, cleaning and baling. The collection device is a core component of the baler. Response surface analysis was used in this study to optimize the structure and working parameters for improving the collection efficiency of residual film and the impurity of film package. The results show that the factors affecting the collection rate of residual film and the impurity of the film package are the speed ratio ( ) between the trash removal roller and eccentric collection mechanism, the number ( ) and the mounting angle ( ) of spring teeth in the same revolution plane. For the collection rate, the importance of the three factors are in the order, . Meanwhile, for the impurity, the importance of three factors are in the order, . When the speed ratio, the mounting angle and the number of spring teeth was set at 1.6°, 45°, and 8°, respectively, the collection rate of residual film was 88.9% and the impurity of residual film package was 14.2% for the baler.

关键词: residual film     collection device     collection rate of residual film     impurity of film package     optimization     baler    

匿名地址解析模型 Article

Guang-jia SONG,Zhen-zhou JI

《信息与电子工程前沿(英文)》 2016年 第17卷 第10期   页码 1044-1055 doi: 10.1631/FITEE.1500382

摘要: 目的:针对地址解析过程中由信息泄露导致的攻击问题,就如何实现解析过程中地址信息隐藏进行了研究。 创新点:本文提出了一种新的解析模型,新模型不公开地址解析的目的地址,而且对节点自身的IP地址与MAC地址都进行隐藏,实现了匿名地址解析。 方法:首先,根据匿名地址解析过程,源节点将地址解析的目的地址(IPX)视为自身与目标节点之间共同秘密,可利用IPX作为公钥对解析目的地址以及自身的地址信息进行加密,然后发送解析请求;其次,只有特定的节点才可以还原出解析请求并发送应答;再次,源节点收到解析应答并进行验证,验证通过后即完成地址解析过程;最后,将匿名地址解析与安全邻居发现及其他几种典型方案进行了对比。 结论:针对地址解析协议的面临的安全威胁,提出了匿名地址解析过程,实现了不公开解析目的地址、隐藏节点自身地址信息的目的。

关键词: 网络安全;地址解析;邻居发现;匿名    

双区块链辅助的安全与匿名数据聚合研究 Article

陈思光, 杨丽, 赵传信, Vijayakumar Varadarajan, 王堃

《工程(英文)》 2022年 第8卷 第1期   页码 159-169 doi: 10.1016/j.eng.2020.06.018

摘要: 为了应对这些挑战,本文在雾计算使能智能电网场景下提出了一种双区块链辅助的安全与匿名数据聚合(doubleblockchain assisted secure and anonymous data aggregation

关键词: 区块链     雾计算     同态加密     智能电网     匿名性    

Frontier of continuous structural health monitoring system for short & medium span bridges and condition assessment

Ayaho MIYAMOTO, Risto KIVILUOMA, Akito YABE

《结构与土木工程前沿(英文)》 2019年 第13卷 第3期   页码 569-604 doi: 10.1007/s11709-018-0498-y

摘要: It is becoming an important social problem to make maintenance and rehabilitation of existing short and medium span(10-20 m) bridges because there are a huge amount of short and medium span bridges in service in the world. The kernel of such bridge management is to develop a method of safety(condition) assessment on items which include remaining life and load carrying capacity. Bridge health monitoring using information technology and sensors is capable of providing more accurate knowledge of bridge performance than traditional strategies. The aim of this paper is to introduce a state-of-the-art on not only a rational bridge health monitoring system incorporating with the information and communication technologies for lifetime management of existing short and medium span bridges but also a continuous data collecting system designed for bridge health monitoring of mainly short and medium span bridges. In this paper, although there are some useful monitoring methods for short and medium span bridges based on the qualitative or quantitative information, mainly two advanced structural health monitoring systems are described to review and analyse the potential of utilizing the long term health monitoring in safety assessment and management issues for short and medium span bridge. The first is a special designed mobile loading device(vehicle) for short and medium span road bridges to assess the structural safety(performance) and derive optimal strategies for maintenance using reliability based method. The second is a long term health monitoring method by using the public buses as part of a public transit system (called bus monitoring system) to be applied mainly to short and medium span bridges, along with safety indices, namely, “characteristic deflection” which is relatively free from the influence of dynamic disturbances due to such factors as the roughness of the road surface, and a structural anomaly parameter.

关键词: condition assessment     short & medium span bridge     structural health monitoring(SHM)     long-term data collection     system     maintenance     bridge performance     information technology     loading vehicle(public bus)     in-situ loading    

具有环形接收区域的微波无线能量传输发射天线口径场分布设计方法 Article

李勋, 段宝岩, 张逸群, 郭永新

《工程(英文)》 2023年 第30卷 第11期   页码 63-74 doi: 10.1016/j.eng.2023.07.016

摘要:

本文提出了一种具有环形接收区域的微波无线能量传输发射天线口径场分布设计方法。该设计的目标是最大化辐射到环形接收区域上的微波功率与总传输功率的比值。通过将口径场幅度分布表示为一组特殊级数的求和,可将该最优设计问题简化为寻找两个实二次型的最大比值。基于矩阵论,可通过确定最大特征值及其对应的特征向量来解决该优化问题。为满足安全要求,将接收区域外的峰值辐射电平视为额外约束。为解决该约束优化问题,提出了将灰狼优化算法和Nelder-Mead单纯形法结合的混合优化方法。为证明所提方法的有效性,首先,对连续口径场分布进行数值仿真实验。然后,使用离散阵列天线来验证优化结果的正确性,其中单元假设为各向同性的点源。最后,采用微带贴片阵列来进一步验证所提出方法的有效性。

关键词: 微波无线能量传输     波束收集效率     环形波束     环形接收区域     灰狼算法     Nelder-Mead单纯形法    

中国农林生物质工业化收集应用模式的研究

庄会永,​​​​​​​张雁茹, 田雅林,王革华

《中国工程科学》 2011年 第13卷 第2期   页码 101-106

摘要:

以现有中国生物发电项目的生物质资源规模化应用研究为基础,总结理论和实践经验,在技术路线选择、模式建设以及体系完善等方面开展研究分析,结合中国具体项目实践,建设和完善中国农林生物质工业化收集应用模式。

关键词: 农林生物质     工业化     收集应用模式    

Layered alkali titanates (ATiO): possible uses for energy/environment issues

《能源前沿(英文)》 2021年 第15卷 第3期   页码 631-655 doi: 10.1007/s11708-021-0776-6

摘要: Uses of layered alkali titanates (A2TinO2n+1; Na2Ti3O7, K2Ti4O9, and Cs2Ti5O11) for energy and environmental issues are summarized. Layered alkali titanates of various structural types and compositions are regarded as a class of nanostructured materials based on titanium oxide frameworks. If compared with commonly known titanium dioxides (anatase and rutile), materials design based on layered alkali titanates is quite versatile due to the unique structure (nanosheet) and morphological characters (anisotropic particle shape). Recent development of various synthetic methods (solid-state reaction, flux method, and hydrothermal reaction) for controlling the particle shape and size of layered alkali titanates are discussed. The ion exchange ability of layered alkali titanate is used for the collection of metal ions from water as well as a way of their functionalization. These possible materials design made layered alkali titanates promising for energy (including catalysis, photocatalysts, and battery) and environmental (metal ion concentration from aqueous environments) applications.

关键词: layered alkali titanates     photocatalysis     hydrogen evdution     metal ions collection    

In quest of the origin of ancient northern city of China: An implication from the Book of Odes

DAI Fudong

《结构与土木工程前沿(英文)》 2007年 第1卷 第4期   页码 389-392 doi: 10.1007/s11709-007-0052-9

摘要: Sorting out some paragraphs in (collection of the earliest poetry in China), this paper makes analysis of the formation, construction process and technology of the ancient northern city of China. Relevan

关键词: analysis     construction     formation     collection     paragraphs    

采集太阳光的照明系统研究

张耀明

《中国工程科学》 2002年 第4卷 第9期   页码 63-68

摘要:

简要介绍了欧美和日本在采集太阳光用于室内照明技术研究的进展及我国在研究开发全自动跟踪太阳的采光装置,攻克聚光、跟踪和传光等关键技术所取得的成果。指出研究全光谱利用,结合采光技术和光伏发电技术,达到代电和发电功能是进一步研究、发展的目标。

关键词: 太阳光采集     光纤     跟踪     照明    

我国煤层气田地面集输工艺及监测技术研究进展

吴建光,琚宜文,裴红,侯泉林,宋现锋,陈仕林,吴剑峰

《中国工程科学》 2012年 第14卷 第2期   页码 30-37

摘要:

针对我国煤层气田地域特点和煤层气地面低压集输存在的问题,通过实施国家科技重大专项项目,研究提出了集中式与分散式相结合的我国煤层气田地面集输模式,对煤层气田地面集输系统的低压集输工艺、撬装式液化设备、产出水处理与环境保护技术、集输系统自动数据采集和网络化管理等关键技术及科学问题进行了联合攻关,获得了重大技术突破,初步形成了适应我国煤层气产业化特点的地面集输工艺与监测技术体系,研发了一系列低成本、生产安全、经济实用的重要装备和试运行系统,并依托国家煤层气开发示范工程基地进行了实际应用。

关键词: 煤层气开发     低压集输工艺     撬装式液化     产出水处理     自动数据采集与网络化管理    

A review of systematic evaluation and improvement in the big data environment

Feng YANG, Manman WANG

《工程管理前沿(英文)》 2020年 第7卷 第1期   页码 27-46 doi: 10.1007/s42524-020-0092-6

摘要: The era of big data brings unprecedented opportunities and challenges to management research. As one of the important functions of management decision-making, evaluation has been given more functions and application space. Exploring the applicable evaluation methods in the big data environment has become an important subject of research. The purpose of this paper is to provide an overview and discussion of systematic evaluation and improvement in the big data environment. We first review the evaluation methods based on the main analytic techniques of big data such as data mining, statistical methods, optimization and simulation, and deep learning. Focused on the characteristics of big data (association feature, data loss, data noise, and visualization), the relevant evaluation methods are given. Furthermore, we explore the systematic improvement studies and application fields. Finally, we analyze the new application areas of evaluation methods and give the future directions of evaluation method research in a big data environment from six aspects. We hope our research could provide meaningful insights for subsequent research.

关键词: big data     evaluation methods     systematic improvement     big data analytic techniques     data mining    

Data quality assessment for studies investigating microplastics and nanoplastics in food products: Arecurrent data reliable?

《环境科学与工程前沿(英文)》 2023年 第17卷 第8期 doi: 10.1007/s11783-023-1694-0

摘要:

● Data quality assessment criteria for MP/NPs in food products were developed.

关键词: Microplastic     Nanoplastic     Food products     Data quality     Human health risk    

Blockchain application in healthcare service mode based on Health Data Bank

Jianxia GONG, Lindu ZHAO

《工程管理前沿(英文)》 2020年 第7卷 第4期   页码 605-614 doi: 10.1007/s42524-020-0138-9

摘要: Blockchain is commonly considered a potential disruptive technology. Moreover, the healthcare industry has experienced rapid growth in the adoption of health information technology, such as electronic health records and electronic medical records. To guarantee data privacy and data security as well as to harness the value of health data, the concept of Health Data Bank (HDB) is proposed. In this study, HDB is defined as an integrated health data service institution, which bears no “ownership” of health data and operates health data under the principal–agent model. This study first comprehensively reviews the main characters of blockchain and identifies the blockchain-based healthcare industry projects and startups in the areas of health insurance, pharmacy, and medical treatment. Then, we analyze the fundamental principles of HDB and point out four challenges faced by HDB’s sustainable development: (1) privacy protection and interoperability of health data; (2) data rights; (3) health data supervision; (4) and willingness to share health data. We also analyze the important benefits of blockchain adoption in HDB. Furthermore, three application scenarios including distributed storage of health data, smart-contract-based healthcare service mode, and consensus-algorithm-based incentive policy are proposed to shed light on HDB-based healthcare service mode. In the end, this study offers insights into potential research directions and challenges.

关键词: Health Data Bank     blockchain     data assets     smart contract     incentive mechanism    

标题 作者 时间 类型 操作

Towards a respondent-preferred ki-anonymity model

Kok-Seng WONG,Myung Ho KIM

期刊论文

一种用于寻找无人船回收海床基数据最佳通信点的梯度上升控制法

Jiu-cai JIN, Jie ZHANG, Zhi-chao LV

期刊论文

Experiment and optimal design of a collection device for a residual plastic film baler

Qi NIU,Xuegeng CHEN,Chao JI,Jie WU

期刊论文

匿名地址解析模型

Guang-jia SONG,Zhen-zhou JI

期刊论文

双区块链辅助的安全与匿名数据聚合研究

陈思光, 杨丽, 赵传信, Vijayakumar Varadarajan, 王堃

期刊论文

Frontier of continuous structural health monitoring system for short & medium span bridges and condition assessment

Ayaho MIYAMOTO, Risto KIVILUOMA, Akito YABE

期刊论文

具有环形接收区域的微波无线能量传输发射天线口径场分布设计方法

李勋, 段宝岩, 张逸群, 郭永新

期刊论文

中国农林生物质工业化收集应用模式的研究

庄会永,​​​​​​​张雁茹, 田雅林,王革华

期刊论文

Layered alkali titanates (ATiO): possible uses for energy/environment issues

期刊论文

In quest of the origin of ancient northern city of China: An implication from the Book of Odes

DAI Fudong

期刊论文

采集太阳光的照明系统研究

张耀明

期刊论文

我国煤层气田地面集输工艺及监测技术研究进展

吴建光,琚宜文,裴红,侯泉林,宋现锋,陈仕林,吴剑峰

期刊论文

A review of systematic evaluation and improvement in the big data environment

Feng YANG, Manman WANG

期刊论文

Data quality assessment for studies investigating microplastics and nanoplastics in food products: Arecurrent data reliable?

期刊论文

Blockchain application in healthcare service mode based on Health Data Bank

Jianxia GONG, Lindu ZHAO

期刊论文