一种便携式天气雷达数字中频测试系统

雷达数字中频系统是雷达接收系统的核心部件,其性能直接影响到整个雷达系统的工作效率.介绍了一种可行的便携式数字中频测试系统的硬件测试平台和软件控制程序,通过对天气雷达数字中频的A/D信号数据采集测试和I/Q数据测试,分别实现了分析数字中频A/D信号和I/Q数据的FFT频域分析界面和Time Data时域分析界面的图形,能够快速地分析、处理和显示,可以准确、高效的完成对天气雷达数字中频的测试和维护;解决了雷达台站无法配置频谱仪等昂贵设备的条件限制,缩短了技术支援的时间和实效性,可提高对天气雷达的业务保障时效,为天气雷达的现场测试保障体系提供一种新的解决方案.

Portable digital IF test system for weather radar

Radar digital IF system is the core component of radar receiving system,its performance directly affects the efficiency of the whole radar system.The hardware test platform and software control program of a portable digital IF test system are introduced.Through the A/D signal data acquisition and I/Q data test of the weather radar digital intermediate frequency,the analysis of the digital IF A/D Signal and I/Q data FFT frequency domain analysis interface and Time Data time domain analysis interface graphics,can quickly analyze,process and display,can be accurate and efficient completion of the weather radar digital IF testing and maintenance;the system completely Which solves the condition that the radar station can not be equipped with expensive equipment such as spectrum analyzer,shortens the time and effectiveness of the technical support,and improves the service guarantee aging of the weather radar,thus providing a new solution to the on-the-spot test security system of the weather radar Program.