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CINRAD/SA探测误差与发射机性能的评估分析 被引量:1

Assessment analysis of transmitter performance for CINRAD/SA observation errors
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摘要 CINRAD/SA探测误差评估对改进雷达观测数据质量和效益具有重要作用。依据雷达发射机信号流程和性能参数的测量,通过雷达气象方程和多普勒径向速度的计算,分析了回波反射率因子和径向速度估算误差与发射机性能参数的关系。以发射机输出峰值功率和极限改善因子性能变化的个例分析,研究了发射机性能下降对反射率因子和径向速度探测准确性的影响,为保障雷达观测数据可靠性提供借鉴。 Assessment analysis of CINRAD/SA radar observation errors are important in the improvement of quality and efficiency of observation data.According to the measurement of signal flow and performance parameters for the CINRAD/SA transmitter,through radar weather equation and the calculation of the Doppler radial velocity,the relationship between transmitter performance parameters and estimation errors of echo reflectivity and radial velocity is studied.In a case analysis of performance changes in the peak power of transmitter output and limit improvement factor,the impact of transmitter performance degradation on the observation accuracy of echo reflectivity and radial velocity is analyzed.This paper explains the importance of transmitter performance on radar observation errors and provides a reference for protecting the reliability of observation data.
出处 《气象水文海洋仪器》 2015年第4期1-5,共5页 Meteorological,Hydrological and Marine Instruments
基金 安徽省气象局科技发展基金项目(KM201305)资助
关键词 探测误差 发射机性能 峰值功率 极限改善因子 observation errors transmitter performance peak power limit improvement factor
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