A Note on Linguistic Hybrid Arithmetic Averaging Operator in Multiple Attribute Group Decision Making with Linguistic Information

In this paper, we propose a linguistic hybrid arithmetic averaging (LHAA) operator, which is based on linguistic weighted arithmetic averaging (LWAA) operator and extended ordered weighted averaging (EOWA) operator, and study some desirable properties of the LHAA operator. The LHAA operator can not only reflect the importance degrees of both the given argument and its ordered position, but also relieve the influence of unfair arguments on the decision results by weighting these arguments with small values. Based on the LWAA and LHAA operators, we develop a practical approach to multiple attribute group decision making under linguistic environment. The approach first aggregates the individual linguistic preference values into a collective linguistic preference value for each alternative by using the LWAA and LHAA operators (it is worth pointing out that the aggregation process does not produce any loss of linguistic information), and then orders the collective linguistic preference values to obtain the best alternative(s). Finally, an illustrative example is also given to verify the approach and to demonstrate its feasibility and practicality.     

一种复模糊数四则运算及其隶属函数的确定

本文通过对模糊结构元理论及模糊数运算的研究,给出了基于结构元理论的一般复Fuzzy数定义、隶属函数及四则运算定义,对结构元生成的复Fuzzy数四则运算进行了探讨,给出了不同情形下复Fuzzy数四则运算的隶属函数表达式,并对上述结论进行了证明。     

多传感器数据融合中基于目标识别的DS算法研究

由于多传感器数据中对目标的描述通常存在或多或少的模糊、相驳、遗缺等现象,在多传感器数据融合处理中如何对目标进行有效可靠的识别,是一个备受关注的难题。本文对多传感器数据融合处理中基于ＤＳ算法的目标识别问题进行了较深入的探讨,利用ＤＳ算法对不确定性信息的推理判断机制,为解决上述难题提供了一种有效的方法。     

Policy Rules and Monetarist Arithmetic

This note demonstrates the existence of an important equilibrium path overlooked in the literature on monetarist arithmetic. Pleasant monetarist arithmetic is possible when the interest‐elasticity of money demand exceeds unity. In this case, tight money may lead to a transitory increase in seigniorage, the retirement of government debt, and lower inflation in both the short run and the long run. The set of equilibrium paths is sensitive, however, to the form of the policy rule. Pleasant monetarist arithmetic is not an equilibrium if the policy rule fixes the share of the fiscal deficit financed by seigniorage. Both pleasant monetarist arithmetic and the tight‐money paradox are equilibrium paths when the government's commitment to low money growth is conditional on inflation remaining below its previous level.     

财务报表保险招标风险评价方法及步骤设计

财务报表保险招标风险评价是一个复杂的决策过程,也是财务报表保险制度（FSI）顺利实施的技术支撑环节,其关键在于寻求最为合理的评价方法,审计独立性风险评价模型将粗糙集理论引入审计领域,并进行相应的算法设计,从而解决招标信息系统中存在的不精确信息分类问题。     

模拟滤波器群时延及驻波比的优化设计

针对网络综合方法不能直接对滤波器的群时延和驻波比同时设计的问题,提出了一 种滤波器的幅频特性、群时延和驻波比特性同时优化的设计方法,即在网络综合法设计滤波 电路的基础上,利用无约束优化方法对群时延和驻波比同时优化,降低通带内群时延波动和 驻波比的最大值。从仿真结果可以看出,优化后滤波器幅频特性接近算术对称,群时延波动 最大值17.337 ns,驻波比最大值仅为1.455 0。     

《粮食收获质量调查和品质测报技术规范》进一步完善的建议

分析了辽宁地区近年来粮食自然质量调查过程中存在的问题,提出《规范》中二级样品的制备必须明确将混匀的初级样品进行等量混合。数据统计时,各分析指标的平均值,县、市、省应该采用不同的统计方法,县级统计各分析指标平均值时,应该采用样品测定值的算术平均值,市、省级统计分析指标的平均值时,应采用以县或市为单位进行加权平均,目的是进一步规范粮食自然质量调查的工作程序,使数据统计更合理,自然质量调查统计数据结果能真实的反映出当地粮食自然质量状况。     

Equilibria under monetary and fiscal policy interactions in a portfolio choice model

This paper studies how the presence of income-taxes changes the properties of general equilibrium models with monetary and fiscal policy interactions. It is found that from a global perspective, the only policy regime that leads to a unique equilibrium is one where fiscal policy is active, i.e. the fiscal theory of the price level regime in Sims (1994). From a local perspective, there are three regimes. In particular, and relative to the previous literature following Leeper (1991), a new third regime exists where a passive fiscal rule combined with a passive monetary rule can still deliver determinacy where the same area of the parameter space would lead to multiple solutions if taxes were lump sum. To obtain the size of the new regime, the paper characterizes analytically the extent to which tax cuts are self-financing and how the distortionary tax Laffer curve looks near the steady state. In the new regime, monetary and fiscal backstops are brought into play so as to rule out off equilibrium dynamics, and inflation can temporarily increase in order to increase seigniorage revenues. With this flexibility, the monetary policy is consistent with the real debt remaining bounded, and the arithmetic that follows is monetarist and unpleasant in the sense of Sargent and Wallace (1981).     

A new fuzzy multi-criteria framework for measuring sustainability performance of a supply chain

Sustainable supply chain performance measurement is aimed at addressing environmental, social and economic aspects of sustainable supply chain management. It can be argued that it is not easy to reduce all dimensions of sustainable supply chain to a single unit. Then, the issue is that all valuations should somehow be reducible to a single one-dimensional standard. Multi-criteria evaluation introduces a framework to remedy this issue. As a consequence, multi-criteria evaluation seems to supply a proper and adequate assessment framework for sustainable supply chain assessment. In this study, a multi-criteria framework based on fuzzy entropy and fuzzy multi-attribute utility (FMAUT) is proposed in order to evaluate and compare the company performances in terms of sustainable supply chain. However, note that reducing all aspects of sustainable supply chain to a single unit using a multi-criteria framework may not be sufficient to satisfy all the needs of decision makers although it is used to evaluate sustainability performance of supply chains with respect to three aspects. Therefore, in this research, an alert management system is also developed to satisfy further requirements of users. The proposed frameworks are tested using data obtained from one of the middle sized Turkish grocery retailers.     

图像边缘检测技术及实现

边缘检测技术在数字图像处理中有着重要的作用。本文对图像的边缘检测的各种边缘检测方法进行介绍和详细分析,并通过MATLAB对各种算法进行实现,通过比较得出了各自的优缺点和适用范围,以及小波变换和数学形态学的边缘检测技术在复杂背景中的优势,为实际应用采用合适的图像边缘检测技术提供对照和参考。