新一代天气雷达异常回波的部分相关性能参数分析  

Analysis of some relevant performance parameters of abnormal echo of new generation weather radar

作　　者：李翠翠[1] 冯和平 杨金红[3] 曹凯明[1] 杨亭[1] Li Cuicui;Feng Heping;Yang Jinhong;Cao Kaiming;Yang Ting(Guizhou Meteorogical Observation Technology and Support Center,Guiyang 550001;Guizhou Vocational and Technical College of Water Resources and Hydropower,Guiyang 550001;Meteorological Observation Centre of CMA,Beijing 100081)

机构地区：[1]贵州省大气探测技术与保障中心,贵阳550001 [2]贵州水利水电职业技术学院,贵阳550001 [3]中国气象局气象探测中心,北京100081

出　　处：《气象水文海洋仪器》2019年第2期45-50,共6页Meteorological,Hydrological and Marine Instruments

基　　金：新一代天气雷达测试定标智能化系统设计(项目编号[2018]06-11)

摘　　要：根据2017年全国组网新一代天气雷达的数据质量问题类型和引起数据质量异常的原因,文章选取国家组网的CC/SA型雷达的主要异常回波对应的噪声电平或噪声温度变化进行分析,并对SA/SB型雷达回波强度的自动标校功能进行检验。分析结果可以为雷达业务人员通过性能参数变化分析异常回波提供参考。According to the types of data quality problems and the reasons caused data quality of national network new generation weather radar in 2017,this paper analyzes the noise level or noise temperature of main abnormal echoes based on CC/SA radars in China.And the automatic calibration function of SA/SB radar echo intensity is tested.The analysis results would provide references for radar professionals to analyze abnormal echoes through the changes of performance parameters.

关 键 词：新一代天气雷达 异常回波 噪声电平 噪声温度 强度定标 

分 类 号：P415.2[天文地球—大气科学及气象学]