虚拟仪器技术在航空机载气象雷达测试系统中的应用

根据多种型号航空机载气象雷达的信号特征和测试需求,利用虚拟仪器技术研制了一套航空机载气象雷达测试系统。设计了用于检测航空机载气象雷达的测试软件,实现了对航空机载气象雷达的多种信号采集、处理、显示及报表打印,且在LabWindows/CVI虚拟环境下实现了界面设计、高速数字波形产生、模拟波形的产生以及多线程编程等功能。航空机载气象雷达测试系统的实际应用证明,该测试系统检测数据准确可靠,实用性强,满足气象雷达测试需求。

Application of Virtual Instruments on Airborne Weather Radar Test System

According to the test requirement and control signal characters of airborne weather radar,a set of airborne weather radar automatic test system is designed and developed.The test software of the ATS,developed in the LabWindows/CVI virtual instrument environment with multithreading technique,which is not only capable of acquiring,processing,displaying and reporting various radar signals,but also completing the functions of human interface design,high speed digital waveform generation,analog waveform generation,has greatly improved the ATS’ capability.It is proved that the ATS has veracity,credibility and practicability,and meets the requirement on weather radar testing.