用信号处理技术及传播理论还原雷声频谱

欧阳玉花; 袁萍; 贾向东; 王小云; 薛思敏

doi:10.7498/aps.62.084303

摘要

以往关于雷声的研究都限于观测点雷声频域范围的探讨, 由于噪音和衰减因素的影响, 观测点的雷声频谱有很大失真. 针对在兰州地区观测的一次雷暴过程中的雷声信号, 利用数字信号处理技术,由观测点处的雷声音频信号得到频率谱,并对雷声频谱进行噪音分析; 然后结合声音在大气中传播的衰减理论, 分析了不同大气环境对声吸收的影响, 并推算出了声源附近的雷声频率谱.

关键词:

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.

Keywords:

作者及机构信息

1.
兰州交通大学数理学院, 兰州 730070;

2.
西北师范大学物理与电子工程学院, 兰州 730070;

3.
西北师范大学计算机科学与工程学院, 兰州 730070

基金项目: 国家自然科学基金(批准号：61261015)资助的课题.

Authors and contacts

1.
School of Mathematics and Physics, Lanzhou Jiaotong University, Lanzhou 730070, China;

2.
College of Physics and Electronic Engineering, Northwest Normal University, Lanzhou 730070, China;

3.
College of Computer Science and Engineering, Northwest Normal University, Lanzhou 730070, China

Funds: Project supported by the National Natural Science Foundation of China (Grant No. 61261015).

参考文献

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[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 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 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 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 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 61 124302]

施引文献

[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 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 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 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 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 61 124302]

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