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气象:2011,37(3):379-384
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新一代天气雷达回波强度异常分析与处理方法
(1 中国气象局气象探测中心, 北京 100081;2 河南省大气探测技术保障中心, 郑州 450003;3 成都信息工程学院, 成都 610225;4 郑州市气象局, 郑州 450003;5 内蒙古阿拉善盟气象局, 阿拉善盟 750306)
Analysis and Handling Methods for Return Intensity Anomaly of CINRAD
(1 Meteorological Observation Center of China Meteorological Administration, Beijing 100081;2 Atmospheric Observation Technical Support Center of Henan Province, Zhengzhou 450003;3 Chengdu University of Information Technology, Chengdu 610225;4 Zhengzhou Meteorological Bureau, Zhengzhou 450003;5 Alxa League Meteorological Bureau of Inner Mongolia, Alxa League 750306)
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投稿时间:2010-09-17    修订日期:2010-12-03
中文摘要: 根据新一代天气雷达回波强度在线定标修正原理,结合新一代天气雷达(CINRAD/SA和SB)回波强度接收和定标及发射功率在线测量信号流程,对雷达回波强度出现的异常现象进行了详细分类和分析,总结提出了新一代天气雷达回波强度偏强、偏弱、回波面积减少等异常问题的分析思路和处理方法,列举了有效解决雷达回波强度异常故障的案例。结果表明:采用这种方法能提高处理新一代天气雷达回波强度异常故障的时效性和可靠性。
Abstract:Based on the online calibration correction principle of CINRAD return intensity and combined with the return intensity reception, calibration and transmitting power online measurement signal process of CINRAD/SA&SB, this paper analyzes and classifies anomalous phenomena of CINRAD return intensity in detail. In addition, it summarizes and puts forward analysis and handling methods for anomalous problems such as stronger or weaker returns, and the decreased return area of CINRAD. Moreover, it enumerates examples to solve CINRAD return intensity anomalies effectively. The result shows that using this method can improve timeliness and reliability of handling CINRAD return intensity anomalies.
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基金项目:国家自然科学基金( 40975018 )资助
引用文本:
柴秀梅,潘新民,汤志亚,崔炳俭,多福学,2011.新一代天气雷达回波强度异常分析与处理方法[J].气象,37(3):379-384.
CHAI Xiumei,PAN Xinmin,TANG Zhiya,CUI Bingjian,DUO Fuxue,2011.Analysis and Handling Methods for Return Intensity Anomaly of CINRAD[J].Meteor Mon,37(3):379-384.