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基于证据融合的雷达反隐身性能评估方法 被引量:2
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作者 师俊朋 胡国平 王馨 《北京航空航天大学学报》 EI CAS CSCD 北大核心 2015年第6期1095-1101,共7页
针对雷达反隐身性能评估过程复杂、算法不完善等现象,提出了一种基于改进证据融合算法的雷达反隐身性能评估方法.针对证据源主观性强、关联性差等现象,依据熵理论、欧式距离等客观分析得到了可信度因子与熵权值、受支持系数间的变化关系... 针对雷达反隐身性能评估过程复杂、算法不完善等现象,提出了一种基于改进证据融合算法的雷达反隐身性能评估方法.针对证据源主观性强、关联性差等现象,依据熵理论、欧式距离等客观分析得到了可信度因子与熵权值、受支持系数间的变化关系,实时修正了可信度分配函数.并结合雷达反隐身分层次性能评估指标体系,建立了基于效用区间的雷达反隐身性能优劣比较方法,得出了客观、准确的评估结果.算例分析和仿真表明,与一般融合算法相比,改进的证据融合算法系统评估能力更强、鲁棒性更好. 展开更多
关键词 雷达反隐身 证据理论 可信度因子 分层次指标体系 效用区间
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Study on Land Use Regionalization in Henan Province
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作者 田燕 《Agricultural Science & Technology》 CAS 2017年第11期2139-2143,2184,共6页
According to the natural ecology and socio-economic conditions in Henan Province, a land use regionalization index system with 6 factors and 24 factor layers was constructed by combining with the characteristics of la... According to the natural ecology and socio-economic conditions in Henan Province, a land use regionalization index system with 6 factors and 24 factor layers was constructed by combining with the characteristics of land use in Henan Province. Expert scoring method was used to determine the weights of the indicators. Based on the similarities and differences of these factors in the index system at county (city, district) levels, hierarchical clustering method was used to make the quantitative analysis to the land use regionalization in Henan Province. And constrastive analysis and qualitative analysis were made to the regionalization scheme by combining with the acutal conditions in the counties (cities, districts), and finally, Henan Province was classified into 6 regions. 展开更多
关键词 Land use regionalization Index system Hierarchical clustering analysis method Henan Province
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Study on the Multi-dimension Evaluation Index System of Agricultural Water Resources in Liaoning Province 被引量:2
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作者 陈金良 石丽忠 《Agricultural Science & Technology》 CAS 2013年第5期780-782,共3页
[Objective] This study aimed to establish the multi-dimensional evaluation index system of agricultural water resources in Liaoning Province. [Method] Delphi method in conjunction with AHP method was adopted to establ... [Objective] This study aimed to establish the multi-dimensional evaluation index system of agricultural water resources in Liaoning Province. [Method] Delphi method in conjunction with AHP method was adopted to establish the multi-dimensional evaluation index system of agricultural water resources in Liaoning Province, and all the indexes in each hierarchy were ranked overall according to their weights. [Result] There were three hierarchies in this index system, totally including 21 indexes, among which water resource exploitation and utilization rate, sewage treatment rate and utilization of available water resources were the three crucial factors influencing the sustainable development. [Conclusion] This evaluation index system can reflect the true sustainable situation of the agricultural water resources in Liaoning Province. 展开更多
关键词 Delphi method Analytic hierarchy process(AHP) method Agricultural water resources Index system
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Urban Construction Land Suitability Evaluation Based on Improved Multi-criteria Evaluation Based on GIS(MCE-GIS): Case of New Hefei City,China 被引量:23
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作者 ZHANG Xiaorui FANG Chuanglin +1 位作者 WANG Zhenbo MA Haitao 《Chinese Geographical Science》 SCIE CSCD 2013年第6期740-753,共14页
Urban construction land suitability evaluation (UCLSE) is a complex system engineering and the basis for rational use of the limited urban land resources in China. It has an important practical value on urban constr... Urban construction land suitability evaluation (UCLSE) is a complex system engineering and the basis for rational use of the limited urban land resources in China. It has an important practical value on urban construction land use planning and management from the angle of methodology. As a widely used technique, traditional multi-criteria evaluation based on GIS (MCE-GIS), is not suitable for UCLSE. This study develops an improved MCE-GIS method which could be more suitable for UCLSE based on urban complex ecological system theory and the summary of the shortcomings of traditional MCE-GIS. The improvements include three aspects: a composite evaluation index system rather than natural indexes alone, an index weight calculated by using fuzzy Analytic Hierarchy Process (AHP) method rather than the common AHP method, and the integrated overlay rule, which includes selecting the minimum value, weighted linear combination (WLC) and simple summation. The main advantage of this improved technique is that it can make UCLSE more comprehensive, more operational and more reasonable. It can provide a scientific basis for decision making in the planning and management of urban construction land use. The improved MCE-GIS system has been adopted in the New Hefei City, Anhui Province, China. Based on the results of UCLSE in New Hefei, three functional areas including construction-appropriate areas, construction-restricted areas and construction-forbidden areas could be worked out, in which 36.90% of the total study area could be developed as urban construction land and the remaining 63.10% should be protected as reserves land or as ecological land. Furthermore, the results can orovide scientific decision suooort for spatial planning and eco-environment nrotection in New Hefei. 展开更多
关键词 urban construction land suitability evaluation (UCLSE) multi-criteria evaluation based on GIS (MCE-G1S) New Hefei
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Optimization Analysis on Comprehensive Evaluation Index of Wetland Parks
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作者 Yanyan ZHANG Fanlong KONG +1 位作者 Min XI Yue LI 《Agricultural Science & Technology》 CAS 2016年第3期721-723,736,共4页
Wetland park is an important mode of wetland protection, meanwhile, construction of comprehensive index system has become the hotspot and keystone of the researches on Wetland Parks. Basing on different development st... Wetland park is an important mode of wetland protection, meanwhile, construction of comprehensive index system has become the hotspot and keystone of the researches on Wetland Parks. Basing on different development stages, this paper firstly divided the Wetland Parks into three categories, including the start-up stage, the development stage and the refinement stage. And then screened and identified the direction and keypoints of comprehensive evaluation for wetland parks in different development stages using expert scoring, questionnaire and analytic hierarchy process(AHP). 展开更多
关键词 Wetland Parks Comprehensive evaluation index Optimization analysis
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Adaptability evaluation of transportation system and urban development
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作者 裴玉龙 高晗 《Journal of Harbin Institute of Technology(New Series)》 EI CAS 2009年第6期884-888,共5页
Sixty indexes, ranging from social development and economy increasing to ecological protection and transportation system construction, are chosen to construct an index system of adaptability evaluation on transportati... Sixty indexes, ranging from social development and economy increasing to ecological protection and transportation system construction, are chosen to construct an index system of adaptability evaluation on transportation system and urban development. A synthesis model with nonlinear characteristic is proposed, and the corresponding procedure is presented based on an improved AHP model, which utilizes the SVD method to improve the required precision of matrix with acceptable consistency weight and detect and amend the significant elements via distance and proximity so as to improve the whole consistency. Taking Shandong Province for the case study, experimental results indicate that the adaptability degree of the system is in an increasing state, which provides robust and effective support for decision-makers working on a range of problems and in various circumstances. 展开更多
关键词 adaptability degree adaptability evaluation AHP model SVD method significant element
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共同富裕的内涵、测度与推动因素研究 被引量:15
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作者 傅东平 苏晓 李海霞 《经济体制改革》 CSSCI 北大核心 2023年第2期23-31,共9页
全体人民共同富裕是社会主义的本质要求和本质特征。构建数理模型探讨共同富裕的当期和跨期决策问题,建立分层次指标体系对共同富裕的量化研究进行初步探索。结果显示,1995年以来各方面指标的交替性提升,促进了我国共同富裕的稳步推进,... 全体人民共同富裕是社会主义的本质要求和本质特征。构建数理模型探讨共同富裕的当期和跨期决策问题,建立分层次指标体系对共同富裕的量化研究进行初步探索。结果显示,1995年以来各方面指标的交替性提升,促进了我国共同富裕的稳步推进,共同富裕水平的增长量随阶段变化而不断增大,其增长速度也处于波动上升状态。从指标贡献率来看,经济发展成效和精神文明建设的贡献率具有波动下降特征;社会财富积累和人群富裕共享的贡献率具有先升后降的态势;区域富裕共享的贡献率呈现出波动上升趋势。总体富裕程度的贡献率不断下降,富裕共享程度的贡献率持续提升,最终两者的贡献率基本持平,与实现共同富裕的推进过程相符。区域均衡发展、健康公平、教育资源普惠等仍是未来我国共同富裕水平提升的主要方向。 展开更多
关键词 共同富裕 最优决策 分层次指标体系 定量研究
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The Circular Economic Development Level of Beijing's Service Sector Based on AHP Modeling
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作者 LI Yanmei LI Zhongyuan YOU He 《Journal of Resources and Ecology》 CSCD 2016年第6期480-485,共6页
As a mega-city constrained by resources and the environment, Beijing has developed a leading service sector, and it is necessary to evaluate the service sector circular economy in this major global city. Here, we esta... As a mega-city constrained by resources and the environment, Beijing has developed a leading service sector, and it is necessary to evaluate the service sector circular economy in this major global city. Here, we estab- lish an indicator system including internal subsystem (economic production, resources consumption, waste emis- sions, and waste recycling), external subsystem (industry correlation) and mutualistic subsystem (society devel- opment), and use AHP modeling to evaluate the period from 2000 to 2013. We found that the development of the service sector circular economy in Beijing experienced an increase from 2000 to 2008, then a decrease from 2009 to 2013. This change mainly resulted from the decrease in Beijing's GDP following the international financial crisis in 2008. The internal subsystem greatly influences the service sector circular economy:synthetic weight of eco- nomic production, resource consumption, waste emissions and waste recycling was 0.367,0.136,0.136 and 0.075, respectively. Within the external subsystem, industrial correlation has a weak connection with Beijing's service sector circular economy with asynthetic weight of 0.143, this result illustrates that the development of the service sector circular economy has an intimate relationship with other cities or provinces around Beijing, such as Tianjin and Hebei. As are presentative of the mutualistic subsystem, society development has a positive nexus with the service sector circular economy with asynthetic weight of 0.143, proving that the development of the service sector circular economy can improve the service sector employment ratio in Beijing. We conclude with some suggestions on how to develop the service sector circular economy in Beijing. 展开更多
关键词 circular economy service sector indicator system Analytic Hierarchy Process Beijing City
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