| SITE GAINS AND ITS ESTIMATION METHOD OF A LIGHTNING LOCATION SYSTEM |
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| 作者姓名： | 陈明理 郭昌明 刘欣生 |
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| 作者单位： | Lanzhou Institute of Plateau Atmospheric Physics，Academia Sinica，Lanzhou 730000，PRC，Lanzhou Institute of Plateau Atmospheric Physics，Academia Sinica，Lanzhou 730000，PRC，Lanzhou Institute of Plateau Atmospheric Physics，Academia Sinica，Lanzhou 730000，PRC |
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| 摘 要： | We discuss a new concept in lightning location system (LLS). Specitically,it is anoptimum method of lightning signal strength and a parameterization method of the site gaincurve estimation in LLS. Site gain correction curves for all DFs for 1989 were found byusing the data observed in an LLS of three direction finders (DFs) in Beijing region. Theresult shows that the curves, as a function of measured bearing, only include the one- andtwo-cycle sinusoidal components. It also indicates that the larger the site errors which DFhas, the larger the amplitude of the site gain curve. In this LLS, the ranges of site gainare 0.9--1.2, 0.85--1.05, 0.9--1.1 for DF1, DF2 and DF3 respectively. For discussion, we suggested a model for site gains due to dipole radiation. This modelcan be used to reasonably explain the characteristics of structure of site gain curves.
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SITE GAINS AND ITS ESTIMATION METHOD OF A LIGHTNING LOCATION SYSTEM |
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| CHEN MINC-LI,GUO CHANG-MINC,LIU XIN--SHENG Lanzhou Institute of Plateau Atmospheric Physics,Academia Sinica. Lanzhou ,PRC.SITE GAINS AND ITS ESTIMATION METHOD OF A LIGHTNING LOCATION SYSTEM[J].Science in China(Chemistry),1992(12). |
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| Authors: | CHEN MINC-LI GUO CHANG-MINC LIU XIN--SHENG Lanzhou Institute of Plateau Atmospheric Physics Academia Sinica Lanzhou PRC |
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| Affiliation: | CHEN MINC-LI,GUO CHANG-MINC,LIU XIN--SHENG Lanzhou Institute of Plateau Atmospheric Physics,Academia Sinica. Lanzhou 730000,PRC |
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| Abstract: | We discuss a new concept in lightning location system (LLS). Specitically,it is anoptimum method of lightning signal strength and a parameterization method of the site gaincurve estimation in LLS. Site gain correction curves for all DFs for 1989 were found byusing the data observed in an LLS of three direction finders (DFs) in Beijing region. Theresult shows that the curves, as a function of measured bearing, only include the one- andtwo-cycle sinusoidal components. It also indicates that the larger the site errors which DFhas, the larger the amplitude of the site gain curve. In this LLS, the ranges of site gainare 0.9--1.2, 0.85--1.05, 0.9--1.1 for DF1, DF2 and DF3 respectively. For discussion, we suggested a model for site gains due to dipole radiation. This modelcan be used to reasonably explain the characteristics of structure of site gain curves. |
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| Keywords: | site gains lightning location dipole radiation |
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