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| Application of external instruments in annual maintenance of weather radar |
| Zhou Jiajian, Xu Huangfei, Lv Yuchang, Zou Qingbiao, Tang Jingjing, Liu Yanzhong |
| Guangdong Atmospheric Observation Data Center,Guangzhou 510080 |
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Abstract This paper mainly introduces the measurement process and steps of different measurement items including transmitter output limit improvement factor,transmitter input limit improvement factor,transmission pulse radio frequency spectrum,external noise figure,dynamic range outside the aircraft,reflectivity calibration and speed measurement outside the aircraft,which could provide a reference for the station personnel in the use of spectrometer and signal source for radar test outside the aircraft.
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Received: 11 December 2020
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2021, Vol. 38 
