基于虚拟仪器的GPS导航测试仪的设计研究

Development of the GPS Navigation Tester Based on Virtual Instruments

针对航空GPS导航系统故障率较高现状,设计了航空GPS导航系统测试仪。在总体结构设计上采用模块化设计思想,以电路功能模块为依托实现硬件方面的设计。在软件设计上,利用虚拟仪器实现对各类资源的控制。从实际应用情况来看,该测试平台可实现KLN94型GPS导航系统性能测试要求。

To reduce the high failure rate of the aviation GPS navigation system ,the paper designs a tester for the aviation GPS navigation system .In terms of hardware design ,the tester adopts the modular design method on the basis of circuit function module .In terms of software design ,virtual instruments are utilized to control various kinds of resources .As indicated by the practical application ,this testing platform is able to satisfy the performance test requirements of KLN 94 GPS navigation system .