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2009 International Conference on Environmental Science and Information Application Technology最新文献

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Design and realization of virtual multi-function display system 虚拟多功能显示系统的设计与实现
2009 International Conference on Environmental Science and Information Application Technology Pub Date : 2011-03-26 DOI: 10.1109/ICIST.2011.5765163
Qing Li, Wei Yang, Jie Zhou, Junnan Xu
{"title":"Design and realization of virtual multi-function display system","authors":"Qing Li, Wei Yang, Jie Zhou, Junnan Xu","doi":"10.1109/ICIST.2011.5765163","DOIUrl":"https://doi.org/10.1109/ICIST.2011.5765163","url":null,"abstract":"Virtual multi-function display is the simulating realization of multi-function display system. Based on presenting the design principle for virtual multi-function display system, this paper analyzes the important parts—the design and realization technology for three-dimensional modeling and two-dimensional dynamic display controls. And it provides important technical support for the research of the flight simulation training system.","PeriodicalId":6408,"journal":{"name":"2009 International Conference on Environmental Science and Information Application Technology","volume":"93 1","pages":"1103-1106"},"PeriodicalIF":0.0,"publicationDate":"2011-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86742070","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Multi-scale analysis of warm extremes over China 中国极端温暖的多尺度分析
2009 International Conference on Environmental Science and Information Application Technology Pub Date : 2011-03-26 DOI: 10.1109/ICIST.2011.5765290
Jian Zhu, Danqing Huang, Xueyuan Kuang
{"title":"Multi-scale analysis of warm extremes over China","authors":"Jian Zhu, Danqing Huang, Xueyuan Kuang","doi":"10.1109/ICIST.2011.5765290","DOIUrl":"https://doi.org/10.1109/ICIST.2011.5765290","url":null,"abstract":"Multi-scale features of warm extremes over China from 1961 to 2002 are evaluated using daily minimum and maximum temperature data. Different time scales of regional features of warm extremes are performed using rotated empirical orthogonal function (REOF) analysis and time scale departure methods. Clearly, significant differences are found in multi-scale of warm extremes. Significant increasing linear trends are detected in Northeast China, Inner Mongolia, northwestern part of Xinjiang, and southwestern China. However, in middle and lower reaches of Yangtze River, southern China and lower reaches of Yellow River basin, the linear trend is not remarkable, but the interannual pattern is the leading part, with several extreme peaks. The links with global temperature anomalies are studied, focusing in northeastern China and in middle and lower reaches of Yangtze River. It is found that the extreme indices show largest correlations with temperature anomalies in the Pacific Ocean. We detect that in northeastern and inland areas, high-related regions of frequency of warm extremes and the global temperature anomalies are broader, while the high-related area is smaller in the middle and lower reaches of the Yangtze River and the coastal regions.","PeriodicalId":6408,"journal":{"name":"2009 International Conference on Environmental Science and Information Application Technology","volume":"44 1","pages":"458-461"},"PeriodicalIF":0.0,"publicationDate":"2011-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75790454","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Application of HJ/IRS to retrieve water surface temperature in Lake Taihu, China HJ/IRS在太湖地表温度反演中的应用
2009 International Conference on Environmental Science and Information Application Technology Pub Date : 2011-03-26 DOI: 10.1109/ICIST.2011.5765313
S. Gong, Guokai Dong, D. Sun, Qiao-hua Zhao, Yunmei Li, Jiazhu Huang
{"title":"Application of HJ/IRS to retrieve water surface temperature in Lake Taihu, China","authors":"S. Gong, Guokai Dong, D. Sun, Qiao-hua Zhao, Yunmei Li, Jiazhu Huang","doi":"10.1109/ICIST.2011.5765313","DOIUrl":"https://doi.org/10.1109/ICIST.2011.5765313","url":null,"abstract":"Water surface temperature(WST) is an important parameter in aquatic ecology and environment. The WST in Lake Taihu has a good relationship with the algae bloom. Thermal infrared remote sensing will provide a effecitve tool for detecting the WST. China HJ satellite is another satellite monitoring environment pollution and natural disasters which is subsequent to China FY, CBERS and HY satellite launched. With HJ/IRS images, the WST in Lake Taihu is retrieved by a generalized single channel algorithm. The results show that the retrieval accuracy of HJ/IRS image is above 1□ in Lake Taihu. As its high spatial and temporal resolution, HJ/IRS image is desirable to use for retrieving temperature of land waters. The WST in Lake Taihu can occur constantly spatial and temporal change. The WST is various in the different area, which can be due to the direction and velocity of water current. And the WST is always higher in the surrounding area than in the centre. This may result from the effect of inlands climate.","PeriodicalId":6408,"journal":{"name":"2009 International Conference on Environmental Science and Information Application Technology","volume":"11 1","pages":"560-565"},"PeriodicalIF":0.0,"publicationDate":"2011-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91120784","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Prioritizing highway tunnel risk factors with AHP method 运用层次分析法对公路隧道风险因素进行排序
2009 International Conference on Environmental Science and Information Application Technology Pub Date : 2011-03-26 DOI: 10.1109/ICIST.2011.5765186
Jubing Zhang, M. Cai, Xiao-peng Li, Zai-gen Mu
{"title":"Prioritizing highway tunnel risk factors with AHP method","authors":"Jubing Zhang, M. Cai, Xiao-peng Li, Zai-gen Mu","doi":"10.1109/ICIST.2011.5765186","DOIUrl":"https://doi.org/10.1109/ICIST.2011.5765186","url":null,"abstract":"In the risk evaluation of a highway tunnel, the recognized risk factors are categorized into two hierarchies. The first hierarchy consists of seven items, which are topography, geology, unfavorable geological condition, special stratigraphy, structural design, tunnel section and depth of embedment, shafts and pilot tunnels. An Analytic Hierarchy Process model is established to prioritize the risk factors in highway tunnels. In the decision making procedure, five experienced experts were organized and surveyed to give their judgments on the importance of different influencing factors to work out the priority. In order to verify the validity of the AHP analysis, two other experts were asked to give their comprehensive evaluation on the same question, results from the two processes are close to each other, this indicates that the AHP method adopted in prioritizing the risk factors of tunnel construction is effective and exercisable, it can be further developed to satisfy the requirements of the risk evaluation process for highway tunnels.","PeriodicalId":6408,"journal":{"name":"2009 International Conference on Environmental Science and Information Application Technology","volume":"25 1","pages":"1205-1207"},"PeriodicalIF":0.0,"publicationDate":"2011-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90867582","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
A 1.8 mW 2 MHz signal bandwidth continuous-time sigma-delta modulator 一个1.8 mW 2 MHz信号带宽的连续时间σ - δ调制器
2009 International Conference on Environmental Science and Information Application Technology Pub Date : 2011-03-26 DOI: 10.1109/ICIST.2011.5765241
Xiao-Fei Chen, J. Xu, Xuewei Zou, Shuang-Xi Lin
{"title":"A 1.8 mW 2 MHz signal bandwidth continuous-time sigma-delta modulator","authors":"Xiao-Fei Chen, J. Xu, Xuewei Zou, Shuang-Xi Lin","doi":"10.1109/ICIST.2011.5765241","DOIUrl":"https://doi.org/10.1109/ICIST.2011.5765241","url":null,"abstract":"A fully differential feedback third-order continuous-time sigma-delta modulator suitable for Mega Hertz wireless communication is presented. Some design optimizations mainly regarding power consumption are demonstrated. The proposed single-bit modulator clocked at 128 MHz achieves 2 MHz signal bandwidth, 11 bits of resolution, 68 dB signal-to-noise ratio and 66 dB dynamic range. Designed in 0.18 µm CMOS process, the sigma-delta modulator consumes 1.8 mW from a 1.8 V single supply, occupying a 0.16 mm2 chip area.","PeriodicalId":6408,"journal":{"name":"2009 International Conference on Environmental Science and Information Application Technology","volume":"77 1","pages":"221-224"},"PeriodicalIF":0.0,"publicationDate":"2011-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83388153","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Research on two score adjustment schemes—Uadj and Sadj uadj和Sadj两种分数调整方案研究
2009 International Conference on Environmental Science and Information Application Technology Pub Date : 2011-03-26 DOI: 10.1109/ICIST.2011.5765173
Chuanyi Li
{"title":"Research on two score adjustment schemes—Uadj and Sadj","authors":"Chuanyi Li","doi":"10.1109/ICIST.2011.5765173","DOIUrl":"https://doi.org/10.1109/ICIST.2011.5765173","url":null,"abstract":"The rating inconsistency in subjective rating between two raters may result in the fact that the score the examinee got departs from his real ability. And artificial rerating process is both time consuming and laborious. So the author in this paper applied the Uadj Scheme and the Sadj Scheme to HSK (advanced) essay scores to examine rating errors and to compare these two schemes. The study shows that both of these two schemes can diminish raters' errors and promote rating efficiency, which therefore can be substitutes for raters' rerating and that compared with the Sadj Scheme, the Uadj Scheme is superior.","PeriodicalId":6408,"journal":{"name":"2009 International Conference on Environmental Science and Information Application Technology","volume":"60 1","pages":"1148-1150"},"PeriodicalIF":0.0,"publicationDate":"2011-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82090529","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Oscillation of solutions for even order partial differential equations with distributed deviating arguments 具有分布偏差参数的偶阶偏微分方程解的振动性
2009 International Conference on Environmental Science and Information Application Technology Pub Date : 2011-03-26 DOI: 10.1109/ICIST.2011.5765203
Shizhong Lin, Shu-Huey Lin, Yuanhong Yu
{"title":"Oscillation of solutions for even order partial differential equations with distributed deviating arguments","authors":"Shizhong Lin, Shu-Huey Lin, Yuanhong Yu","doi":"10.1109/ICIST.2011.5765203","DOIUrl":"https://doi.org/10.1109/ICIST.2011.5765203","url":null,"abstract":"In this paper we obtained some new oscillation criteria for even order partial differential equations with distributed deviating arguments including hyperbolic equations. Our approach is to reduce the multi-dimensional oscillation problem to a one-dimensional problem for even order functional differential inequalities.","PeriodicalId":6408,"journal":{"name":"2009 International Conference on Environmental Science and Information Application Technology","volume":"92 1","pages":"22-26"},"PeriodicalIF":0.0,"publicationDate":"2011-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80929350","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Covariance-assignment based control performance assessment 基于协方差分配的控制绩效评估
2009 International Conference on Environmental Science and Information Application Technology Pub Date : 2011-03-26 DOI: 10.1109/ICIST.2011.5765117
Dengfeng Zhang, Bingrui Bao, Dexiao Xie, Baochun Lu
{"title":"Covariance-assignment based control performance assessment","authors":"Dengfeng Zhang, Bingrui Bao, Dexiao Xie, Baochun Lu","doi":"10.1109/ICIST.2011.5765117","DOIUrl":"https://doi.org/10.1109/ICIST.2011.5765117","url":null,"abstract":"The problem of control variance performance assessment with dynamic behavior constraint is investigated based on covariance-assignment theory for multivariable systems. The suboptimal variance benchmark is calculated by the proposed iterative linear matrix inequality (ILMI) technique, taking the dynamic performance of the closed-loop system into account. Thus the resulting variance benchmark is more practical than the conventional single variance benchmark. Consequently, a modified assessing strategy is developed to evaluate the output variance and transient behavior simultaneously. Simulation examples illustrated the validity of the proposed method.","PeriodicalId":6408,"journal":{"name":"2009 International Conference on Environmental Science and Information Application Technology","volume":"5 1","pages":"881-886"},"PeriodicalIF":0.0,"publicationDate":"2011-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90402152","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Research on steel industry's capacity competitiveness based on Gini coefficient & AHP 基于基尼系数和层次分析法的钢铁行业产能竞争力研究
2009 International Conference on Environmental Science and Information Application Technology Pub Date : 2011-03-26 DOI: 10.1109/ICIST.2011.5765136
Yicheng Gong, Shougui Li, Xianjia Wang
{"title":"Research on steel industry's capacity competitiveness based on Gini coefficient & AHP","authors":"Yicheng Gong, Shougui Li, Xianjia Wang","doi":"10.1109/ICIST.2011.5765136","DOIUrl":"https://doi.org/10.1109/ICIST.2011.5765136","url":null,"abstract":"By extending Gini coefficient in the classical economics, we put forward the concept “the steel capacity competitiveness - capacity income Gini coefficient”, namely TCC, to reveal the non-equilibrium problems. Considering the comprehensive factors which influence steel industry competitiveness capacity, AHP was used to construct the evaluation model of steel industry capacity competitiveness. The numerical computation is done by Matlab to calculate the weight of each factor. The computation value of TCC of Chinese steel industry in 2006 is 0.4192. As the revenue Gini coffeicient, now it indicates the deviation of capacity competitiveness contribution income between is bigger. By the TCC analysis, there are only 3 enterprises, Jiangsu steel and Baosteel and Capital steel,whose Tcc is greater than 1. And the contribution of these three enterprises are biggest. TCC provides an downsized index to improve steel industry overcapacity.","PeriodicalId":6408,"journal":{"name":"2009 International Conference on Environmental Science and Information Application Technology","volume":"18 1","pages":"978-981"},"PeriodicalIF":0.0,"publicationDate":"2011-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81363235","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A novel Boot-Trapping algorithm of enhancing Gnutella cluster 一种增强Gnutella聚类的引导捕获算法
2009 International Conference on Environmental Science and Information Application Technology Pub Date : 2011-03-26 DOI: 10.1109/ICIST.2011.5765213
Yi Zhu
{"title":"A novel Boot-Trapping algorithm of enhancing Gnutella cluster","authors":"Yi Zhu","doi":"10.1109/ICIST.2011.5765213","DOIUrl":"https://doi.org/10.1109/ICIST.2011.5765213","url":null,"abstract":"Based on the territorial continuity of IP addresses, this paper proposes an enhanced Boot-Trapping algorithm. It constructs a Patricia Tree which reflects the topology of the physical network, and collects information of the online Ultra Peers. By providing an UltraPeer physical network nearby for a LeafPeer, it can improve the proximity between the overlay network and the physical network, the aggregation of the Gnutella, and achieve higher search efficiency.","PeriodicalId":6408,"journal":{"name":"2009 International Conference on Environmental Science and Information Application Technology","volume":"40 1","pages":"67-69"},"PeriodicalIF":0.0,"publicationDate":"2011-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81378515","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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