随着1394总线在机载领域的广泛应用, 出于低成本和灵活性考虑, 地面配置、仿真、测试、监控和试验等环节急需建立一套完整的1394总线信号质量测试系统。可靠的总线信号质量测试系统可实现产品的模块级和系统级信号质量测试, 同时最大程度地缩短系统研制周期, 节省开发成本。提出一种1394总线信号质量测试系统的设计方案, 在充分理解1394总线协议的基础上, 分别从硬件架构、软件构架和测试构型方面介绍了1394总线信号质量测试系统的设计与实现, 为基于1394B总线通讯的机载设备开发和验证提供可靠的技术保障。

With the widely application of 1394 bus in the field of airborne, taking account of low cost and flexibility, a complete set of 1394 bus signal quality testing system is needed to be established for the process of configuration, simulation, testing, monitoring and test. The signal quality testing for product module level and system level can be realized by the reliable bus signal quality testing system, at the same time, the development cycle of the system is shortened and the development cost is saved greatly. A 1394 bus signal quality testing system design scheme is proposed. Based on the full understanding of 1394 bus protocol, the hardware, software and testing architectures, the design and implementation of 1394 bus signal quality testing system are introduced, which can provide reliable technical guarantee for the development and verification of the airborne equipment based on 1394B bus communication.