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There are a few references on thunder at present, moreover they are all about thunder frequency spectrum at observation location. However, thunder frequency spectrum in observation location is a distorted signal because of noises and sound attenuation effects. In this paper, thunder signal from lightning discharge channels is obtained in Lanzhou of China. By using digital filter and Fourier transform, thunder frequency spectrum at the observation location is gained. Then, thunder frequency spectrum near lightning discharge channel is computed with the theory of sound propagation effects.
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Keywords:
- thunder frequency spectrum /
- signal processing /
- propagation effects /
- peak frequency
[1] Few A A 1969 J. Geophys. Res. 74 6926
[2] Bhartendu H 1968 Can. J. Phys. 46 269
[3] McCrory R A, Holmes C R 1968 Can. J. Phys. 46 2333
[4] Uman M A 2001 The Lightning Discharge (Mineola, New York:Dover) p377
[5] Ouyang Y H, Yuan P, Qie X S 2006 Spectroscopy and Spectral Analysis 26 1988 (in Chinese) [欧阳玉花，袁萍，郄秀书2006光谱学与光谱分析 26 1988]
[6] Few A A 1995 Acoustic Radiations from Lightning (Boca Raton, Florida:CRC Press) p1
[7] Ingle V K, Proakis J G 2003 Digital Signal Processing Using MATLAB (Beijing:Science Press) p183
[8] Yang X R 2007 Atmospheric Acoustics (Beijing:Science Press) p122 (in Chinese) [杨训仁2007大气声学(北京：科学出版社) 第122页]
[9] Ouyang Y H, Yuan P 2012 J. Earth Syst. Sci. 121 211
[10] Zhang J C, Yuan P, Ouyang Y H 2010 Acta Phys. Sin. 59 8287 (in Chinese) [张景川, 袁萍, 欧阳玉花 2010物理学报 59 8287]
[11] Bass H E, Losely R E 1975 J. Acoust. Soc. Am. 57 822
[12] Wei R J, Tian Y R 1987 J. Acoust. Soc. Am. 81 1350
[13] Sutherland L C, Bass H E 2006 J. Acoust. Soc. Am. 120 2985
[14] Cole J E, Dobbins R A 1971 J. Atmos. Sci. 28 202
[15] Bass H E 1980 J. Acoust. Soc. Am. 67 1959
[16] Zhang K S, Wang S, Zhu M, Hu Y, Jia Y Q 2012 Acta Phys. Sin. 61 174301 (in Chinese) [张克声，王殊，朱明，胡轶，贾雅琼2012物理学报 61 174301]
[17] Liu Y, Guo J, Ye Z H 2005 J. Southeast Univ. 35 333 (in Chinese) [刘云，郭洁，叶芝慧 2005东南大学学报 35 333]
[18] Wang W R, Yu J L, Luo J 2011 Acta Phys. Sin. 60 104220 (in Chinese) [王文睿, 于晋龙, 罗俊 2011物理学报 60 104220]
[19] Guo Y C, Hu L L, Ding R 2012 Acta Phys. Sin. 61 054304 (in Chinese) [郭业才,胡苓苓, 丁锐 2012 物理学报 61 054304]
[20] Wang D H, Qie X S, Guo C M 2000 Lightning and Artificially Triggered Lightning (Shanghai:Shanghai Jiaotong University) p81 (in Chinese) [王道洪, 郄秀书, 郭昌明 2000 雷电与人工引雷 (上海:上海交通大学出版社)第81页]
[21] Hill R D 1977 Thunder in Lightning (New York:Academic Press) p385
[22] Malan D J 1963 Physics of Lightning (London:The English Universities Press) p156
[23] Shi J, Yang D S, Shi S G 2012 Acta Phys. Sin. 61 124302 (in Chinese) [时洁, 杨德森, 时胜国 2012物理学报 61 124302]
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[1] Few A A 1969 J. Geophys. Res. 74 6926
[2] Bhartendu H 1968 Can. J. Phys. 46 269
[3] McCrory R A, Holmes C R 1968 Can. J. Phys. 46 2333
[4] Uman M A 2001 The Lightning Discharge (Mineola, New York:Dover) p377
[5] Ouyang Y H, Yuan P, Qie X S 2006 Spectroscopy and Spectral Analysis 26 1988 (in Chinese) [欧阳玉花，袁萍，郄秀书2006光谱学与光谱分析 26 1988]
[6] Few A A 1995 Acoustic Radiations from Lightning (Boca Raton, Florida:CRC Press) p1
[7] Ingle V K, Proakis J G 2003 Digital Signal Processing Using MATLAB (Beijing:Science Press) p183
[8] Yang X R 2007 Atmospheric Acoustics (Beijing:Science Press) p122 (in Chinese) [杨训仁2007大气声学(北京：科学出版社) 第122页]
[9] Ouyang Y H, Yuan P 2012 J. Earth Syst. Sci. 121 211
[10] Zhang J C, Yuan P, Ouyang Y H 2010 Acta Phys. Sin. 59 8287 (in Chinese) [张景川, 袁萍, 欧阳玉花 2010物理学报 59 8287]
[11] Bass H E, Losely R E 1975 J. Acoust. Soc. Am. 57 822
[12] Wei R J, Tian Y R 1987 J. Acoust. Soc. Am. 81 1350
[13] Sutherland L C, Bass H E 2006 J. Acoust. Soc. Am. 120 2985
[14] Cole J E, Dobbins R A 1971 J. Atmos. Sci. 28 202
[15] Bass H E 1980 J. Acoust. Soc. Am. 67 1959
[16] Zhang K S, Wang S, Zhu M, Hu Y, Jia Y Q 2012 Acta Phys. Sin. 61 174301 (in Chinese) [张克声，王殊，朱明，胡轶，贾雅琼2012物理学报 61 174301]
[17] Liu Y, Guo J, Ye Z H 2005 J. Southeast Univ. 35 333 (in Chinese) [刘云，郭洁，叶芝慧 2005东南大学学报 35 333]
[18] Wang W R, Yu J L, Luo J 2011 Acta Phys. Sin. 60 104220 (in Chinese) [王文睿, 于晋龙, 罗俊 2011物理学报 60 104220]
[19] Guo Y C, Hu L L, Ding R 2012 Acta Phys. Sin. 61 054304 (in Chinese) [郭业才,胡苓苓, 丁锐 2012 物理学报 61 054304]
[20] Wang D H, Qie X S, Guo C M 2000 Lightning and Artificially Triggered Lightning (Shanghai:Shanghai Jiaotong University) p81 (in Chinese) [王道洪, 郄秀书, 郭昌明 2000 雷电与人工引雷 (上海:上海交通大学出版社)第81页]
[21] Hill R D 1977 Thunder in Lightning (New York:Academic Press) p385
[22] Malan D J 1963 Physics of Lightning (London:The English Universities Press) p156
[23] Shi J, Yang D S, Shi S G 2012 Acta Phys. Sin. 61 124302 (in Chinese) [时洁, 杨德森, 时胜国 2012物理学报 61 124302]
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