| X波段双偏振雷达探测数据分析与校验 |
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| 引用本文： | 尹春光,王勤典,胡平,陈浩君.X波段双偏振雷达探测数据分析与校验[J].气象科技,2011,39(5):608-614. |
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| 作者姓名： | 尹春光 王勤典 胡平 陈浩君 |
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| 作者单位： | 上海市气象信息与技术支持中心,上海,200030 |
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| 摘 要： | 保证移动X波段双偏振多普勒天气雷达在野外探测中雷达探测数据源的正确性,是预报员开展后续应用研究的重要前提。简要分析了差分反射率、相关系数、差分传播相移与差分相移系数的理论意义,同时结合多次观测经验,重点研究并验证了各双偏振产品在纯降水中的数值,研究双偏振参数对雷达硬件故障的指示意义,确保在探测时及时发现硬件故障与差损,提高探测数据质量。讨论了双偏振参数自测试校验,进行水平通道与垂直通道参数偏差校验,确保在探测之前获得双偏振通道的一致性。
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| 关 键 词： | 差分反射率 相关系数 差分相移 自测试校验 |
| 收稿时间： | 5/3/2010 12:00:00 AM |
| 修稿时间： | 5/4/2011 12:00:00 AM |
Polarimetric Product Improvement and Verification of X Band Mobile Doppler Weather Radar |
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| Yin Chunguang,Wang Qindian,Hu Ping and Chen Haojun.Polarimetric Product Improvement and Verification of X Band Mobile Doppler Weather Radar[J].Meteorological Science and Technology,2011,39(5):608-614. |
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| Authors: | Yin Chunguang Wang Qindian Hu Ping and Chen Haojun |
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| Institution: | Yin Chunguang Wang Qindian Hu Ping Chen Haojun (Shanghai Meteorological Information and Technological Support Center,Shanghai 200030) |
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| Abstract: | The correctness and accuracy of observation data of X-band dual polarization Doppler weather radar are important prerequisites for subsequent application researches.The theoretical meaning of differential reflectivity,correlation coefficient,and differential phase shift are analyzed,and in combination with the experiences from several observation activities,the values of various polarimetric products in pure precipitation are studied and verified.Meanwhile,the polarimetric parameters for indicating the pres... |
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| Keywords: | differential reflectivity correlation coefficient differential phase shift built-in test |
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