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Gaoya dianqi, 2021 在GIS气体绝缘状态评估过程中,不同的权重确定和隶属度函数选择方法会导致评价结果的不同,进而影响评价结果的准确性。为了避免主观因素的影响,文中在利用熵权法确定权重的基础上,根据变权综合理论引入均衡函数来调整各评价指标的权重。此外,采用梯形、Γ形以及k次抛物线型相结合来确定各指标的隶属度函数,以避免单一隶属度函数所造成的评价误差。最后,利用综合诊断模型来确定GIS气体的绝缘状态,并对比常权重和单一隶属度评价结果。实例分析表明,该方法可以准确有效的评估GIS设备气体的绝缘状态。
刘长银 +6 more
doaj
The randomness of reset options(重置期权的随机性研究)
Zhejiang Daxue xuebao. Lixue ban, 2010 利用等价测度和鞅的方法,以股票价格为选择重设点依据的情况下推导了随机时间重置期权中的欧式看涨期权的定价公式.
LIUYing(刘莹)
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Zhejiang Daxue xuebao. Lixue ban, 2010 特许权期是基础设施BOT项目融资建设中的一个重要决策变量,但目前缺乏计算特许权期的理论方法. SHEN等建立了特许权期的决策模型(BOTCcM),得出了特许权期的可行区间,但BOTCcM模型未能提供在该区间内选择具体的特许权期时间点的方法.这是该模型在应用中的一个重要缺陷,需要进一步改进和完善.应用博弈论原理,建立了特许权期决策的Bargaining博弈模型,克服了BOTCcM模型的缺陷,求出了特许权期决策的具体时间.最后,通过算例演示了特许权期决策的Bargaining博弈模型.研究结果表明 ...
BAOHai-jun(鲍海君) +2 more
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Assessment aggregation with bias factor involved in group decision making(群决策中考虑主观偏袒因素的评价信息综合)
Zhejiang Daxue xuebao. Lixue ban, 2011 在群决策中，如何将多个决策者的评价信息综合成整体信息是要研究的重要问题.最简单的方法是基于每个决策者是专业并且客观的假设，给他们的评价赋予相同的权重.但是实际情况要复杂得多，正如孔子所说，真正好的，应该是善者好之，不善者恶之.笔者研究了决策者中存在偏袒因素时的评价综合方法，拓宽了 一般权重的约束限制，提出了基于评价之间相关关系的权重设置方法.
DENGMing-rong(邓明荣) +1 more
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International Insolvency Review, EarlyView.Abstract Although a local experiment, the promulgation of the Regulations of Shenzhen Special Economic Zone on Personal Bankruptcy (SPBR) in 2020 was hailed as a significant milestone in China's insolvency lawmaking which has thus far addressed only corporate insolvencies.
Jenny Fu, Jin Chun
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Drivers of bat researchers’ intent to adopt field hygiene practices
Conservation Biology, EarlyView.Abstract Infectious disease is a growing threat to wildlife, with zoonotic transmission most likely at the human–wildlife interface. One underappreciated activity at this interface is fieldwork with wild animals, but associated risks can be mitigated through field hygiene (FH) practices, such as using personal protective equipment and other appropriate
Joanna L. Coleman +6 more
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Conservation Biology, EarlyView.Abstract Knowledge of species distributions is essential for informing policies on nature conservation and restoration. However, updating them on a regular basis and doing so in a harmonized manner at the international level is difficult. The European Bird Census Council integrated national monitoring data covering 5 years to update farmland bird ...
Sergi Herrando +54 more
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Intuitionistic fuzzy multiple attribute decision making based on interval numbers(基于区间数的直觉模糊多属性决策研究)
Zhejiang Daxue xuebao. Lixue ban, 2017 研究一类属性权重未知的直觉模糊多属性决策问题.将直觉模糊数的属性值转由双区间数表示，根据决策方案属性值间的离差确定属性权重.根据各方案属性加权综合值及区间直觉模糊数的得分函数，对2套方案分别进行排序和比较，并通过实例说明了该方法的有效性.
DUANChuanqing(段传庆)
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Evaluating the use of taxonomy in the IUCN Red List
Conservation Biology, EarlyView.Abstract Taxonomy defines the units that conservationists strive to preserve for future generations. However, the discovery of new species and the taxonomic revision of existing species affect conservation efforts. Despite the importance of taxonomy for a species’ conservation, there is currently no overview of how those leading species extinction risk
Stephen T. Garnett +8 more
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Zhejiang Daxue xuebao. Lixue ban, 2018 在压缩感知信号重构的过程中，为使投影梯度稀疏重构算法(GPSR)在保持低复杂度的同时，能有效提高重构性能，引入了自适应思想，给重构模型添加具有惩罚意义的权重系数，以寻找算法复杂度和精度之间的最佳平衡点；根据解的收敛进程不断调整权重值，以加速收敛.仿真实验表明：在相同条件下，该算法的计算效率优于传统的GPSR算法和典型的OMP算法，能在较短的运行时间内大幅度提高重构精度.
LIXinyi(李昕艺) +2 more
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