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机构地区:[1]南京邮电大学自动化学院,江苏南京210003
出 处:《仪表技术与传感器》2011年第4期23-24,57,共3页Instrument Technique and Sensor
摘 要:以嵌入式系统的广泛应用为背景,探讨了一种基于ARM7和μC/OS-Ⅱ操作系统的导航设备测试仪的研发。该测试仪采用模块化设计,以显控单元为工作核心,由测量单元、射频单元、音频单元、通道单元、测控单元、射频衰减单元与显控单元一起,实现整机控制和数据交互。在详细分析了系统结构和硬件设计后,具体阐述了系统软件的设计。按该方案设计的测试仪已投入实际应用,应用结果表明:该测试仪具有良好的功能和性能,界面友好,工作稳定,测量参数精度满足预期要求。After introducing some applications of embedded technology,this paper discussed one design of an integrated apparatus for measuring navigation equipment parameter based on ARM7 and μC / OS-Ⅱ operating system.This test apparatus used a modular design approach,which was divided into several modules,namely,display and control unit,measurement unit,RF unit,audio unit,channel unit,as well as measurement and control unit which is the core of the work.They work together to achieve the whole control and data exchange.After detailed analysis of the system architecture and hardware design,the paper specifically addresses the design of the system software.The apparatus according to this design has been put in practice,and practical application shows that this test apparatus has good functionality and performance,friendly interface,stable work,and the accuracy of the test parameters fits the expected requirements.
分 类 号:TP274[自动化与计算机技术—检测技术与自动化装置]
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