The simulation of underwater acoustic information flow is an important way to research sonar performance and its engagement effectiveness in the ocean environment.This paper analyzes the significance of modeling an op...The simulation of underwater acoustic information flow is an important way to research sonar performance and its engagement effectiveness in the ocean environment.This paper analyzes the significance of modeling an open and sophisticated simulation software architecture by object-oriented method,and introduces the modeling processes and expression method of simulation architecture.According to the requirements of simulation system and the underwater acoustic information flow,the logical architecture of simulation software system is modeled by the object-oriented method.A use-case view captured the system requirements.The logical view shows the logical architecture of software system.The simulation software is decomposed into the loose coupling constituent parts by layering and partitioning the packages for maintainability.The design patterns enabled the simulation software to have good expansibility and reusability.The simulation system involving multi-targets and multi-sonar is developed based on the architecture model.Practices show that the model meets the needs for simulating an open and sophisticated system.展开更多
The technologies of software architecture are introduced, and the software analysis-and-design process is divided into requirement analysis, software architecture design and system design. Using these technologies, a ...The technologies of software architecture are introduced, and the software analysis-and-design process is divided into requirement analysis, software architecture design and system design. Using these technologies, a model of architecture-centric software analysis and design process（ACSADP） is proposed. Meanwhile, with regard to the completeness, consistency and correctness between the software requirements and design results, the theories of function and process control are applied to ACSADP. Finally, a model of integrated development environnment （IDE） for ACSADP is propcsed. It can be demonstrated by the practice that the model of ACSADP can aid developer to manage software process effectively and improve the quality of software analysis and design.展开更多
梳理分析了软件通信体系架构(software defined radio,SCA)最新发展现状并设计了典型通用架构,研究了SCA的技术体制,总结了SCA技术体制中的规范特点和主要优势;对SCA的关键技术和标准演进进行了详细分析;给出了SCA的设计思路,并基于SCA...梳理分析了软件通信体系架构(software defined radio,SCA)最新发展现状并设计了典型通用架构,研究了SCA的技术体制,总结了SCA技术体制中的规范特点和主要优势;对SCA的关键技术和标准演进进行了详细分析;给出了SCA的设计思路,并基于SCA标准设计了典型软件无线电平台的通用架构,主要包括硬件平台、通用软件平台和波形组件,并给出基于该典型通用架构的设计实例。通过对SCA发展研究及相关典型通用架构设计,能够为新型软无电台设计提供相关研究成果和参考依据,推进新体制软件无线电电台跨越式发展。展开更多
对环境的适应是软件保证其可信的重要手段.当应用场景超出开发阶段的预设时,软件的环境适应能力需要能够在线调整,以保证其行为和结果仍可符合用户预期.这一调整的前提是软件工程层面的高效支持机制.基于关注点分离原则和动态软件体系...对环境的适应是软件保证其可信的重要手段.当应用场景超出开发阶段的预设时,软件的环境适应能力需要能够在线调整,以保证其行为和结果仍可符合用户预期.这一调整的前提是软件工程层面的高效支持机制.基于关注点分离原则和动态软件体系结构技术,提出了一种支持软件环境适应能力细粒度在线调整的构件模型ACOE(adaptive component model for open environment).ACOE将软件环境适应能力中的感知、决策、执行等关注点封装为独立的构件和连接子,通过动态软件体系结构技术来支持它们的在线重配置,从而使第三方可在必要时通过有选择性的更新来调整适应能力.实现了支持ACOE构件模型的容器原型,并通过实验验证了其有效性.展开更多
文摘The simulation of underwater acoustic information flow is an important way to research sonar performance and its engagement effectiveness in the ocean environment.This paper analyzes the significance of modeling an open and sophisticated simulation software architecture by object-oriented method,and introduces the modeling processes and expression method of simulation architecture.According to the requirements of simulation system and the underwater acoustic information flow,the logical architecture of simulation software system is modeled by the object-oriented method.A use-case view captured the system requirements.The logical view shows the logical architecture of software system.The simulation software is decomposed into the loose coupling constituent parts by layering and partitioning the packages for maintainability.The design patterns enabled the simulation software to have good expansibility and reusability.The simulation system involving multi-targets and multi-sonar is developed based on the architecture model.Practices show that the model meets the needs for simulating an open and sophisticated system.
文摘The technologies of software architecture are introduced, and the software analysis-and-design process is divided into requirement analysis, software architecture design and system design. Using these technologies, a model of architecture-centric software analysis and design process（ACSADP） is proposed. Meanwhile, with regard to the completeness, consistency and correctness between the software requirements and design results, the theories of function and process control are applied to ACSADP. Finally, a model of integrated development environnment （IDE） for ACSADP is propcsed. It can be demonstrated by the practice that the model of ACSADP can aid developer to manage software process effectively and improve the quality of software analysis and design.
文摘梳理分析了软件通信体系架构(software defined radio,SCA)最新发展现状并设计了典型通用架构,研究了SCA的技术体制,总结了SCA技术体制中的规范特点和主要优势;对SCA的关键技术和标准演进进行了详细分析;给出了SCA的设计思路,并基于SCA标准设计了典型软件无线电平台的通用架构,主要包括硬件平台、通用软件平台和波形组件,并给出基于该典型通用架构的设计实例。通过对SCA发展研究及相关典型通用架构设计,能够为新型软无电台设计提供相关研究成果和参考依据,推进新体制软件无线电电台跨越式发展。
文摘对环境的适应是软件保证其可信的重要手段.当应用场景超出开发阶段的预设时,软件的环境适应能力需要能够在线调整,以保证其行为和结果仍可符合用户预期.这一调整的前提是软件工程层面的高效支持机制.基于关注点分离原则和动态软件体系结构技术,提出了一种支持软件环境适应能力细粒度在线调整的构件模型ACOE(adaptive component model for open environment).ACOE将软件环境适应能力中的感知、决策、执行等关注点封装为独立的构件和连接子,通过动态软件体系结构技术来支持它们的在线重配置,从而使第三方可在必要时通过有选择性的更新来调整适应能力.实现了支持ACOE构件模型的容器原型,并通过实验验证了其有效性.
