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Various application domains require the integration of distributed real-time or near-real-time systems with non-real-time systems.Smart cities,smart homes,ambient intelligent systems,or network-centric defense systems are among these application domains.Data Distribution Service(DDS)is a communi-cation mechanism based on Data-Centric Publish-Subscribe(DCPS)model.It is used for distributed systems with real-time operational constraints.Java Message Service(JMS)is a messaging standard for enterprise systems using Service Oriented Architecture(SOA)for non-real-time operations.JMS allows Java programs to exchange messages in a loosely coupled fashion.JMS also supports sending and receiving messages using a messaging queue and a publish-subscribe interface.In this article,we pro-pose an architecture enabling the automated integration of distributed real-time and non-real-time systems.We test our proposed architecture using a distributed Command,Control,Communications,Computers,and Intelligence(C4I)system.The system has DDS-based real-time Combat Management System components deployed to naval warships,and SOA-based non-real-time Command and Control components used at headquarters.The proposed solution enables the exchange of data between these two systems efficiently.We compare the proposed solution with a similar study.Our solution is superior in terms of automation support,ease of implementation,scalability,and performance. 相似文献
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2018年10月,美国宣布单方面退出《中导条约》。《中导条约》是美苏两国在冷战后期达成的,并得到了切实执行的条约,对于维护冷战后全球战略平衡发挥了至关重要的作用。冷战后,俄美曾经企图将《中导条约》多边化,构建俄美新型战略关系,但最终反目成仇,使得俄美关系严重倒退,并迈入新的相互战略遏制的时代。 相似文献
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高超声速武器具有飞行速度快、精确毁伤和高效突防等特点,具有重要的战略威慑和实战应用价值,它能够大幅改变未来战争的态势,已成为大国打破战略平衡、打赢未来战争的新型“杀手锏”。随着高超声速武器逐步走向战场,世界各主要国家的反导防御体系将向更高预警维度、更快反应速度和更大打击力度的天地一体联合防御方向发展。本文分析了高超声速武器作战优势及其对未来战争的影响和威胁,阐述了美军现有反导预警能力的基本架构与能力缺陷,对其未来反高超声速武器的预警能力建设及发展态势进行了研判与预测。美军“优先发展天基反导作战体系,发挥低轨卫星主体作用”的反高超声速武器发展思路对于军队反导反高超声速武器能力建设具有一定的启示和借鉴作用。 相似文献
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H. Sonmez Atesoglu 《Defence and Peace Economics》2013,24(1):55-60
This paper provides new evidence on the question of the effects of defense spending on aggregate output in the United States. Earlier studies of this basic issue relied on traditional econometric techniques and the neoclassical production function theory. In this paper, recently developed cointegration methodology and modeling that is inspired by new macroeconomic theory is employed. The results from earlier studies concerning the effects of defense spending are mixed. The findings presented in this paper reveal that there is a quantitatively important and positive relation between defense spending and aggregate output in the United States. 相似文献