Exploring on-line detecting technology for weather radar antenna operational state
Qin Jianfeng1, Cai Hong2, Yao Liqiong1
1. Wuhan National Basic Meteorological Observation Station,Wuhan 430040; 2. Hubei Meteorological Information and Technology Support Center,Wuhan 430074
Abstract：According to the characteristics of weather radar antenna operation control,an online detection method of antenna status based on weather radar operation log is proposed,which defines the detection parameters such as scanning layer azimuth average velocity,azimuth zero error,and elevation average error.Based on antenna azimuth angle and pitch angle sampling data,the parameter value calculation and abnormal discrimination method are defined.At the same time,the problems that need attention in the application of the detection method are explained.The test application of Wuhan CINRAD/SA weather radar shows that the proposed detection method can monitor the antenna operating status and abnormality in real time and accurately under the operating conditions of weather radar volume coverage pattern scanning,and is easy to implement.
Rico-Ramirez M A,Gonzalez-Ramirez E,Cluckie I,et al.Real-time monitoring of weather radar antenna pointing using digital terrain elevation and a Bayes clutter classifier[J].Meteorological Applications,2009,16(2):227-236.
[12]
Huuskonen A,Holleman I.Determining weather radar antenna pointing using signals detected from the sun at low antenna elevations[J].Journal of Atmospheric & Oceanic Technology,2010,24(3):476-483.
[13]
Altube P,Bech J,Argemí O,et al.Quality control of antenna alignment and receiver calibration using the sun: adaptation to midrange weather radar observations at low elevation angles[J].Journal of Atmospheric & Oceanic Technology,2016,32(5):494-496.JP
2021, Vol. 38 
