基于扩频编码的电磁探测系统研究

doi:10.19595/j.cnki.1000-6753.tces.L80028

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Abstract The goaf under the transmission line is prone to natural disasters such as surface subsidence and uneven surface subsidence, which poses a great threat to the surface power facilities. The effective exploration and evaluation of goaf can greatly reduce the probability of occurrence of accidents. The goaf under the transmission line has a complicated electromagnetic environment compared with the general goaf. Traditional methods, such as high-density resistivity method and transient electromagnetic method, usually increase transmitted power to improve signal-to-noise ratio, which will make the instrument bulky and not conducive to detection in wild. Based on spread spectrum code technology in communication field, an electromagnetic detection system is studied and designed by widening the frequency of transmitted signal and combining the correlation algorithm of spread spectrum, which can achieve better anti-interference ability without increasing power and improve the detection efficiency and accuracy.

Key words： Transmission line goaf spread spectrum code electromagnetic detection system

Received: 16 May 2018 Published: 15 February 2019

PACS:

TM621.3

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	Articles by authors
	Zhang Laifu
	Li Shiqiang
	Liu Guoqiang
	Li Yanhong
	Yang Hong

Cite this article:

Zhang Laifu,Li Shiqiang,Liu Guoqiang等. Research on Electromagnetic Detection System for Spread Spectrum Code[J]. Transactions of China Electrotechnical Society, 2018, 33(zk2): 263-269.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.L80028 OR https://dgjsxb.ces-transaction.com/EN/Y2018/V33/Izk2/263

[1] 张建强, 杨昆, 王予东, 等. 煤矿采空区地段高压输电线路铁塔地基处理的研究[J]. 电网技术, 2006, 30(2): 30-34.
Zhang Jianqiang, Yang Kun, Wang Yudong, et al.Research on foundation treatment of high voltage transmission towers erected above goaf of coal mine[J]. Power System Technology, 2006, 30(2): 30-34.
[2] 陈志梅, 袁广林, 宋康, 等. 煤矿采动区高压输电线路交全性评估[J]. 中国电力, 2015, 48(10): 101-106.
Chen Zhimei, Yuan Guanglin, Song Kang, et al.Safety evaluation of high voltage transmission lines in coal mining areas[J]. China Electric Power, 2015, 48(10): 101-106.
[3] 杨风利, 杨靖波, 韩军科, 等. 煤矿采空区基础变形特高压输电塔的承载力计算[J]. 中国电机工程学报, 2009, 29(1): 100-106.
Yang Fengli, Yang Jingbo, Han Junke, et al.Bearing capacity computation of UHV transmission tower with foundation deformation above coaf of goal mine[J]. Proceedings of the CSEE, 2009, 29(1): 100-106.
[4] 刘洋, 崔翔, 赵志斌, 等. 变电站接地网腐蚀诊断磁场检测系统的设计与应用[J]. 电工技术学报, 2009, 24(1): 176-182.
Liu Yang, Cui Xiang, Zhao Zhibin, et al.Design and application of testing magnetic field system for corrosion diagnosis of grounding grid in substation[J]. Transactions of China Electrotechnical Society, 2009, 24(1): 176-182.
[5] 付志红, 余慈拱, 侯兴哲, 等. 瞬变电磁法视电阻率成像的接地网断点诊断方法[J]. 电工技术学报, 2014, 29(9): 253-259.
Fu Zhihong, Yu Cigong, Hou Xingzhe, et al.Transient electromagnetic apparent resistivity imaging for break point diagnosis of grounding grids[J]. Transactions of China Electrotechnical Society, 2014, 29(9): 253-259.
[6] Zhao Luxing, Lu Jiayu, Wu Guifang.Measurement and analysis on electromagnetic environment of 1000kV UHV AC transmission line[C]//IEEE Asia- Pacific Power and Energy Engineering Conference, Shanghai, China, 2012: 1-4.
[7] 王东来, 卢铁兵, 崔翔, 等. 两回高压直流输电线路交叉跨越时地面合成电场计算[J]. 电工技术学报, 2017, 32(2): 77-84.
Wang Donglai, Lu Tiebing, Cui Xiang, et al.Simulation of total electric field under the crossing of two circuit HVDC transmission lines[J]. Transactions of China Electrotechnical Society, 2017, 32(2): 77-84.
[8] 谢莉, 雷银照. 电气系统中多导体传输线的瞬态电磁响应[J]. 电工技术学报, 2010, 25(5): 190-194.
Xie Li, Lei Yinzhao.Transient electromagnetic response of multiconductor transmission line in electrical system[J]. Transactions of China Electro- technical Society, 2010, 25(5): 190-194.
[9] 王振国, 卢铁兵, 王东来. 邻近直流导线时交流电晕电流脉冲特性试验[J]. 电工技术学报, 2017, 32(4): 170-179.
Wang Zhenguo, Lu Tiebing, Wang Donglai.Experiment of AC corona current pulses when adjacent to DC conductor[J]. Transactions of China Electrotechnical Society, 2017, 32(4): 170-179.
[10] 黄武. 电磁法仪器抗工频干扰频谱研究[J]. 工程技术, 2015(13): 241-242.
Huang Wu.Study on the frequency interference spectrum of electromagnetic instrument[J]. Engin- eering Technology, 2015(13): 241-242.
[11] 杨镜明, 魏周政, 高晓伟, 等. 高密度电阻率法和瞬变电磁法在煤田采空区勘查及注浆检测中的应用[J]. 地球物理学进展, 2014, 29(1): 362-369.
Yang Jingming, Wei Zhuozheng, Gao Xiaowei, et al.The application of the methods of high density resistivity method and transient electromagnetic to detecting coal mining goaf and to inspect grouting effect[J]. Progress in Geophysics, 2014, 29(1): 362-369.
[12] 薛国强, 闫述, 底青云, 等. 多道瞬变电磁法(MTEM)技术分析[J]. 地球科学与环境学报, 2015, 37(1): 94-100.
Xue Guoqiang, Yan Shu, Di Qingyun, et al.Technical analysis of multi-transient electromagnetic method[J]. Journal of Earth Sciences & Environment, 2015, 37(1): 94-100.
[13] 秦善强, 付志红, 朱学贵, 等. 遗传神经网络的瞬变电磁视电阻率求解算法[J]. 电工技术学报, 2017, 32(12): 146-154.
Qin Shanqiang, Fu Zhihong, Zhu Xuegui, et al.Genetic neural network for apparent resistivity solution of transient electromagnetic[J]. Transa- ctions of China Electrotechnical Society, 2017, 32(12): 146-154.
[14] 陶海军, 张一鸣, 任喜国. 大功率海洋电磁发射机DC-DC可控源电路特性分析[J]. 电工技术学报, 2017, 32(16): 233-244.
Tao Haijun, Zhang Yiming, Ren Xiguo.Characteri- stic analysis of high power marine electromagnetic transmitter DC-DC controlled source circuit[J]. Transactions of China Electrotechnical Society, 2017, 32(16): 233-244.
[15] 文刚, 齐世举, 姜勤波, 等. 大地水平分层电导率对架空线缆HEMP响应的影响[J]. 电工技术学报, 2016, 31(1): 91-95.
Wen Gang, Qi Shiju, Jiang Qinbo, et al.Impact of horizontal stratified earth conductivity on overhead cable HEMP responses[J]. Transactions of China Electrotechnical Society, 2016, 31(1): 91-95.
[16] 王善勋, 杨文锋, 张卫敏, 等. 瞬变电磁法在煤矿采空区探测中的应用研究[J]. 工程地球物理学报, 2012, 9(4): 400-405.
Wang Shanxun, Yang Wenfeng, Zhang Weimin, et al.The application of TEM to detecting coal mining goaf[J]. Chinese Journal of Engineering Geophysics, 2012, 9(4): 400-405.
[17] 李士强, 刘国强, 夏慧, 等. 基于FPGA的波形合成电磁探测逆变器研究[J]. 先进材料研究, 2012, 433-440: 5628-5635.
Li Shiqiang, Liu Guoqiang, Xia Hui, et al. Research on the waveform synthesis of electromagnetic detection inverter based on FPGA[J]. Advanced Materials Research, 2012, 433-440: 5628-5635.
[18] Walczak J, Stępień R. The method of improving pseudo random signal generating rate of the LSFR generators[C]//International Symposium on Theore- tical Electrical Engineering, Pilsen, Czech Republic, 2013, III: 31-32.
[19] 张天骐, 杨强, 宋玉龙, 等. 一种K-means改进算法的软扩频信号伪码序列盲估计[J]. 电子与信息学报, 2018, 40(1): 226-234.
Zhang Tianqi, Yang Qiang, Song Yulong, et al.Blind estimation PN sequence in soft spread spectrum signal of improved K-means algorithm[J]. Journal of Electronics & Information Technology, 2018, 40(1): 226-234.