摘要
详细介绍了微波辐射计整机两点定标试验方法,并利用温度计与定标后辐射计同步测量目标黑体对辐射计定标方程进行验证。试验结果表明,在辐射计动态测量范围内,两点线性定标方法获取多波段辐射计定标系数是准确有效的。通过对试验结果的研究,对参数变化引入的误差和系统误差进行了分析,并计算定标误差范围。
Two-point calibration technique of multi-band microwave radiometer was presented. The accuracy of the calibration equation of microwave radiometer was verified through the experiment that blackbody target was measured with thermograph and the calibrated radiometer. The results show that the calibration coefficient was valid by two-point calibration function in the dynamic range of measurement. By the research of the experiment＇s resuhs , the error induced by parameter variation and the radiometer system error were analyzed, the range of calibration error was also calculated.
出处
《海洋技术》
北大核心
2012年第4期55-59,共5页
Ocean Technology
基金
国家海洋局青年基金资助项目--微波辐射计现场定标技术研究(2010415)
关键词
两点定标
微波辐射计
亮温
two-point calibration
microwave radiometer
brightness temperature
