基于虚拟仪器技术的某航电计算机测试平台构建

虚拟仪器是基于计算机和标准总线技术的一种全新仪器概念,结合某航电计算机的测试需求及PXI总线特点,构建了基于PXI技术的虚拟仪器作为设备综合测试平台,对该综合测试平台的建立原则进行了概括,对设备开发过程进行了描述,介绍了设备的总体结构、PXI总线测试资源的选用方法和信号调理电路的典型设计,同时,对测试设备的软件结构和测试流程进行了说明.该系统的开发结合PXI总线优势,在满足专用测试要求的基础上具有良好的开放性;该设备的研制对数据采集、测试和控制系统的设计具有一定的借鉴意义.

Synthesis Test System of Airborne Computer Based on PXI Bus Technology

Virtual instrument is a new concept of instrument based on compuer technology and standard bus technology.In the paper a synthesis test system based on PXI bus technology is designed which aims at the requirements of the airborne computer and takes the PXI bus technology characteristic into account.The principle of how to design a airborne computer test platform is proposed and the design flow is also described.The theory of how to choose the type of PXI module and the hardware resources are presented.At th...