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1. 国家卫星气象中心 北京,中国,100081
2. 高原大气与环境四川省重点实验室,四川 成都,610225
3. 南京信息工程大学,江苏 南京,210044
收稿日期:2016-05-20,
修回日期:2016-06-17,
纸质出版日期:2016-11-14
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惠雯, 黄富祥, 朱杰. 卫星闪电成像仪光学成像探测技术[J]. 光学精密工程, 2016,24(10s): 361-369
HUI Wen, HUANG Fu-xiang, ZHU Jie. Technology of optical detection of lightning from space[J]. Editorial Office of Optics and Precision Engineering, 2016,24(10s): 361-369
惠雯, 黄富祥, 朱杰. 卫星闪电成像仪光学成像探测技术[J]. 光学精密工程, 2016,24(10s): 361-369 DOI: 10.3788/OPE.20162413.0361.
HUI Wen, HUANG Fu-xiang, ZHU Jie. Technology of optical detection of lightning from space[J]. Editorial Office of Optics and Precision Engineering, 2016,24(10s): 361-369 DOI: 10.3788/OPE.20162413.0361.
卫星闪电成像仪利用光学成像技术进行闪电高效率探测,静止卫星闪电成像仪通过对闪电的连续、不间断观测,实现对强对流天气系统的实时监测和预警预报,被认为是最有效的闪电探测手段。本文首先介绍了卫星闪电成像仪的光学成像探测技术特点和我国风云四号卫星闪电成像仪的基本特征,然后利用地基闪电观测数据对美国低轨道卫星闪电成像仪TRMM/LIS的闪电成像产品进行了检验和验证,表明卫星和地基闪电观测数据具有较强的相关性。研究结果证明了卫星光学成像闪电探测技术的可行性和可靠性,风云四号卫星闪电成像仪只要解决好仪器覆盖能力、RTEP星上资料处理等关键技术,必将在我国闪电探测和强对流天气监测等应用领域发挥重要作用。
The lightning imager detects the lightning signals from space by taking advantage of the optical imaging technology. The geostationary lightning imager can realize real-time monitoring and early warning for severe convection weather by detecting lighting signals continuously
which is considered to be the most effective lightning detection method. First
the theory of satellite-based lightning detection and the technical characteristics of Chinese FY-4 Lightning Mapping Imager (LMI) have been analyzed. It is further proposed that the effectiveness of satellite-based lightning detection can be verified through "satellite-ground" contrast experiment. The lightning imaging products from TRMM Lightning Imaging Sensor (LIS) are compared to the lightning stroke data from the ground-based lightning detection network. Contrast results show that both types of data have relatively strong correlation. It concludes that the technology of optical detection of lightning from space is feasible and reliable. In future
the key technologies of FY-4 LMI will to be further improved
and LMI will be applied to weather forecasting
convection event monitoring
and typhoon tracking.
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