Multi-channel time-domain rapid measurement and signal calculation method for electromagnetic interference
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摘要: 针对复杂电磁环境和复杂大型系统电磁干扰测量参数、测量点位及测量工况多的特点，采用传统扫频式频域测量方法具有代价高、耗时长等现实问题，提出了一种低频电磁干扰的多通道时域快速测量与信号计算方法，并研制出低频电磁干扰多通道时域快速测量系统，实验验证表明提出的测量、计算方法和研制出的测量系统可以准确得到复杂电磁环境和大型系统的低频电磁干扰特性，且测量速度快、成本低。Abstract: In view of the characteristics of many electromagnetic interference measurement parameters, measurement points and measurement conditions in complex electromagnetic environment and large-scale systems, the traditional sweeping frequency-domain measurement method has practical problems such as high cost and being time-consuming. This paper proposes a multi-channel time-domain rapid measurement and signal calculation method for low-frequency electromagnetic interference, and a multi-channel time-domain rapid measurement system for low-frequency electromagnetic interference is developed. The experimental results show that the proposed measurement, calculation method and the developed measurement system can accurately obtain the low frequency electromagnetic interference characteristics of complex electromagnetic environment and large-scale system, and the measurement speed is fast and the cost is low.
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图 2 考虑测量带宽的频谱计算方法流程图
Figure 2. Flow chart of spectrum calculation method considering measurement bandwidth
图 3 电磁干扰多通道时域快速测量系统组成
Figure 3. Electromagnetic interference multi-channel time domain rapid measurement system
图 4 测量系统验证结果
Figure 4. Verification results of electromagnetic interference measurement system
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[1] 胡小锋, 张建平, 许滨. 航天器空间静电效应研究进展[J]. 强激光与粒子束, 2019, 31:103202 doi: 10.11884/HPLPB201931.190247Hu Xiaofeng, Zhang Jianping, Xu Bin, et al. Progress of the research of space electrostatic effect of spacecraft[J]. High Power Laser and Particle Beams, 2019, 31: 103202 doi: 10.11884/HPLPB201931.190247 [2] 胡小锋, 刘卫东, 王雷, 等. 广义互相关电晕放电辐射信号时延估计方法[J]. 强激光与粒子束, 2018, 30:013201 doi: 10.11884/HPLPB201830.170270Hu Xiaofeng, Liu Weidong, Wang Lei, et al. Time-delay estimation of corona discharge radiation signal based on generalized cross correlation[J]. High Power Laser and Particle Beams, 2018, 30: 013201 doi: 10.11884/HPLPB201830.170270 [3] 胡小锋, 刘卫东, 张悦, 等. 空间放电辐射脉冲的探测与定位[J]. 强激光与粒子束, 2015, 27:103226 doi: 10.11884/HPLPB201527.103226Hu Xiaofeng, Liu Weidong, Zhang Yue, et al. Detection and location of space discharge transient electromagnetic pulse source[J]. High Power Laser and Particle Beams, 2015, 27: 103226 doi: 10.11884/HPLPB201527.103226 [4] 郝建红, 范杰清. 电磁脉冲耦合效应的等效源建模及应用[J]. 强激光与粒子束, 2014, 26:063024 doi: 10.11884/HPLPB201426.063024Hao Jianhong, Fan Jieqing. Modeling and application of equivalent source of electromagnetic pulse coupling effects[J]. High Power Laser and Particle Beams, 2014, 26: 063024 doi: 10.11884/HPLPB201426.063024 [5] 张怀坤, 苑红晓, 娄世平. 微波站电磁环境测试与分析[J]. 微波学报, 2010, 26(S1):595-597Zhang Huaikun, Yuan Hongxiao, Lou Shipin. Test and analysis of electromagnetism environment around microwave station[J]. Journal of Microwaves, 2010, 26(S1): 595-597 [6] 金祖升, 李建轩, 施佳林, 等. 高功率微波照射下阿基米德螺旋天线响应特性[J]. 微波学报, 2017, 33(2):1-5Jin Zusheng, Li Jianxuan, Shi Jialin, et al. The response of an Archimedean spiral antenna to the irradiation of the high power microwave[J]. Journal of Microwaves, 2017, 33(2): 1-5 [7] 汤仕平, 蔡明娟, 李建轩. 基于时频组合的强脉冲电磁场测试方法研究[J]. 高电压技术, 2013, 39(10):2471-2476 doi: 10.3969/j.issn.1003-6520.2013.10.021Tang Shiping, Cai Mingjuan, Li Jianxuan. Research on strong pulsed electromagnetic field test method by time-frequency combination[J]. High Voltage Engineering, 2013, 39(10): 2471-2476 doi: 10.3969/j.issn.1003-6520.2013.10.021 [8] GJB151A-97, 军用设备和分系统电磁发射和敏感度要求[S]GJB151A-97, Electromagnetic emission and susceptibility requirements for military equipment and subsystems[S] [9] GJB 152A-97, 军用设备和分系统电磁发射和敏感度测量[S]GJB 152A-97, Measurement of electromagnetic emission and susceptibility for military equipment and subsystems[S] [10] 张向明, 赵治华, 孟进, 等. 大功率电磁装置短时变频磁场辐射测试系统[J]. 电工技术学报, 2010, 25(9):8-13Zhang Xiangming, Zhao Zhihua, Meng Jin, et al. Measurement system for short-time and frequency-conversion magnetic field radiated by high-power electromagnetic equipment[J]. Transactions of China Electrotechnical Society, 2010, 25(9): 8-13 [11] 张向明, 李建轩, 赵治华, 等. 基于时-频变换的电磁干扰频谱测试方法[J]. 电工技术学报, 2015, 30(s2):16-20Zhang Xiangming, Li Jianxuan, Zhao Zhihua, et al. Electromagnetic interference spectrum measurement method base on time-frequency domain transformation[J]. Transactions of China Electrotechnical Society, 2015, 30(s2): 16-20 [12] 周忠元, 陈贝贝. 脉冲调制辐射场的场强测量[J]. 东南大学学报(自然科学版), 2016, 46(6):1186-1191Zhou Zhongyuan, Chen Beibei. Measurement of pulse-modulated radiation field strength[J]. Journal of Southeast University (Natural Science Edition), 2016, 46(6): 1186-1191 [13] Paris D, Leach W, Joy E. Basic theory of probe-compensated near-field measurements[J]. IEEE Transactions on Antennas and Propagation, 1978, 26(3): 373-379. doi: 10.1109/TAP.1978.1141855 [14] 张向明, 赵治华, 孟进, 等. 考虑测量带宽影响的电磁干扰频谱FFT计算[J]. 中国电机工程学报, 2010, 30(36):117-122Zhang Xiangming, Zhao Zhihua, Meng Jin, et al. EMI spectrum analysis based on FFT with consideration of measurement bandwidth effect[J]. Proceedings of the CSEE, 2010, 30(36): 117-122 [15] 王刘旺, 黄建才, 孙建新, 等. 基于加汉宁窗的FFT高精度谐波检测改进算法[J]. 电力系统保护与控制, 2012, 40(24):28-33 doi: 10.7667/j.issn.1674-3415.2012.24.005Wang Liuwang, Huang Jiancai, Sun Jianxin, et al. An improved precise algorithm for harmonic analysis based on Hanning-windowed FFT[J]. Power System Protection and Control, 2012, 40(24): 28-33 doi: 10.7667/j.issn.1674-3415.2012.24.005 [16] 马伟明, 张磊, 孟进. 独立电力系统及其电力电子装置的电磁兼容[M]. 北京: 科学出版社, 2007Ma Weiming, Zhang Lei, Meng Jin. Electromagnetic compatibility of independent power system and power electronic devices[M]. Beijing: Science Press, 2007 [17] 郑君里, 应启珩, 杨为理. 信号与系统[M]. 2版. 北京: 高等教育出版社, 2000Zheng Junli, Ying Qiheng, Yang Weili. Signals and systems[M]. 2nd ed. Beijing: Higher Education Press, 2000 -
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