Design of Automatic Test System for High Precision Navigation Receiver
Aiming at the problems of large error,poor repeatability and low degree of automation of existing navigation receiver test schemes,a high-precision navigation receiver automatic test system is designed.Firstly,the hardware platform of the receiver test system is constructed,which is composed of multi-system navigation signal source,high-performance industrial computer,program-controlled power supply,network switch,serial port server,etc.Secondly,the signal source simulation control software is used to control the multi-system navigation signal source to simulate and produce specific navigation signals,which provides a simulation environment for the test of high-precision navigation receiver.Then Visual Studio is used to develop the navigation terminal automatic test and evaluation soft-ware,and the ranking evaluation method and root mean square evaluation method are proposed as the evaluation criteria of receiver posi-tioning accuracy.Finally,the reliability and stability of the test system are verified by experiments,and the test system can test the per-formance index of the high-precision navigation receiver accurately and quickly.
high precision positioningnavigation receivertest systemmulti-system navigation signal sourceperformance index
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