基于信号调制的抗水下电磁扫频干扰方法研究
作者:
作者单位:

1.青岛哈尔滨工程大学创新发展中心;2.哈尔滨工程大学水声重点实验室;3.哈尔滨工程大学青岛创新发展基地

基金项目:

基于深度学习的可控源电磁探测数据降噪处理技术研究


Research on Anti-underwater Electromagnetic Sweep Interference Method Based on Signal Modulation
Author:
Affiliation:

1.Innovation and Development Center, Harbin Engineering University;2.Key Laboratory of Hydroacoustics, Harbin Engineering University;3.Qingdao Innovation and Development Base, Harbin Engineering University

Fund Project:

79000014/003

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    摘要:

    在水下电磁通信和探测领域,电磁扫频干扰十分常见,其频带覆盖范围大,几乎可以影响工作频带内的所有频率,降低通信与电磁探测效率。通用的降噪与滤波方法无法消除电磁扫频干扰中与有效信号同频带的成分。研究有效对抗电磁扫频干扰的方法,提升水下信号质量成为业界亟待解决的问题。针对上述技术难题,本文提出通过增加信号复杂度的方式增强信号抗电磁扫频干扰性能,即基于调制技术压制电磁扫频干扰。常用的调制方式包含线性调制、非线性调制和数字调制等,其中2ASK(二进制幅移键控)、2FSK(二进制频移键控)与BPSK(二进制相移键控)具有良好的抗干扰性能、抗信道损耗和高安全性等优点。基于三种调制解调方法的误码率均建立在白噪声的基础上,本文进一步推导了三种数字调制方式在仅存电磁扫频干扰以及白噪声、电磁扫频干扰同时存在时的误码率,并针对三种情况进行仿真研究。仿真计算结果表明三种调制解调方式均能有效抑制电磁扫频干扰的影响,提高水下探测质量。在应对电磁扫频干扰时,2FSK调制方式取得最佳性能。

    Abstract:

    In the field of underwater electromagnetic communication and detection, electromagnetic sweep interference is very common, and its frequency band coverage is large, which can affect almost all frequencies in the working frequency band and reduce the efficiency of communication and detection. General-purpose noise reduction and filtering methods cannot eliminate the components of electromagnetic sweep interference in the same band as the active signal. Studying effective methods to combat electromagnetic sweep interference and improving underwater signal quality has become an urgent problem in the industry. In view of the above technical problems, this paper proposes to enhance the anti-electromagnetic sweep interference performance of the signal by increasing the signal complexity, that is, suppressing the electromagnetic sweep interference based on the modulation technology. Commonly used modulation methods include linear modulation, nonlinear modulation and digital modulation, among which 2ASK (binary amplitude shift keying), 2FSK (binary frequency shift keying) and BPSK (binary phase shift keying) have the advantages of good anti-interference performance, anti-channel loss and high security. Based on the fact that the bit error rates of the three modulation and demodulation methods are based on white noise, this paper further derives the bit error rate of the three digital modulation methods when only the existing electromagnetic sweep interference, white noise and electromagnetic sweep interference exist at the same time, and simulates the three situations. The simulation results show that the three modulation and demodulation methods can effectively suppress the influence of electromagnetic sweep interference and improve the quality of underwater communication. When dealing with electromagnetic sweep interference, the 2FSK modulation method achieves the best performance.

    参考文献
    [1] 韩晨, 牛英滔, 夏志, 等. 线性扫频干扰检测算法及抗干扰方法研究 [J]. 计算机应用研究, 2020, 37(01): 267-270,274.
    [2] 马思强, 彭超. 通信侦察在航空反潜作战中的应用 [J]. 舰船电子对抗, 2018, 41(02): 49-51.
    [3] 张新道, 姜亚浩. 高性能扫频干扰标准声源的制作 [J]. 舰船科学技术, 2003, (06): 6-7,29.
    [4] 张天鹏, 刘忙龙, 谢嘉. 基于FRFT的调频引信LFM干扰抑制改进方法 [J]. 探测与控制学报, 2019, 41(02): 22-25.
    [5] 于洪海, 闫晓鹏, 贾瑞丽, 等. M序列伪码调相脉冲多普勒引信抗干扰性能研究 [J]. 兵工学报, 2020, 41(03): 417-425.
    [6] PUSHPALATHA, PRATHYUSHA, SINDHU, et al. BER Performance using BPSK Modulation over Rayleigh and Rician Fading Channel [Z]. 2022 IEEE 11th International Conference on Communication Systems and Network Technologies (CSNT). 2022: 434-437
    [7] SARNIN S S, KADRI N, MOZI A M, et al. Performance Analysis of BPSK and QPSK Using Error Correcting Code through AWGN; proceedings of the International Conference on Networking and Information Technology (ICNIT), Manila, PHILIPPINES, F Jun 11-12, 2010 [C]. 2010.
    [8] WANG G, CHENG W. Analysis and Simulation of 2ASK Digital Band-pass Transmission System Basing on SIMULINK; proceedings of the 7th International Conference on Education, Management, Computer and Medicine (EMCM), Shenyang, PEOPLES R CHINA, F Dec 29-31, 2016 [C]. 2017.
    [9] ZEREK A R, ELLABU N, MHAMMED H. Performance Assessment and Computer Simulation of the M-ary FSK Modulation Scheme; proceedings of the 7th International Conference on Modelling, Identification and Control (ICMIC), Sousse, TUNISIA, F Dec 18-20, 2015 [C]. 2014.
    [10] 丁凯. AWGN信道中BPSK误码率仿真分析 [J]. 微处理机, 2021, 42(03): 23-26.
    [11] 刘立林, 胡世安, 司兵. 几种数字调制方式的仿真与分析 [J]. 现代电子技术, 2012, 35(09): 95-99,102.
    [12] 张卓伟, 朱润, 沈凡. 面向通信系统的误码率计算方法 [J]. 雷达与对抗, 2022, 42(01): 6-8.
    [13] HLAING N W, FARZAMNIA A. Bit Error Rate Comparison for Radio Frequency Interconnection Based on BPSK, PAM and QAM Modulation [Z]. 2021 IEEE 19th Student Conference on Research and Development (SCOReD). 2021: 445-449
    [14] 章小梅, 孙倩, 危水根. 用不同调制方式实现跳/扩频混合通信的抗干扰性能 [J]. 数字通信, 2014, 41(04): 6-8,13.
    [15] 李新峰, 郝晓军, 韩慧, 等. 基于误码率的通信系统电磁干扰效应研究 [J]. 微波学报, 2017, 33(01): 71-76.
    [16] 刘家昊, 章小梅. 基于误码率分析的通信抗干扰能力预测研究 [J]. 信息技术, 2019, 43(11): 111-114,120.
    [17] SHONGWE T, VINCK A J H. Waveform Clipping in FSK Modulated Signal to Combat Impulse Noise; proceedings of the IEEE International Symposium on Power Line Communications and its Applications (ISPLC), Manchester, ENGLAND, F Apr 08-11, 2018 [C]. 2018.
    [18] 刘万洪, 刘敏, 陆俊. 部分频带噪声干扰下DS/FH系统误码率分析 [J]. 舰船电子工程, 2013, 33(01): 81-82,100.
    [19] 马永涛, 张力, 刘开华. 窄带连续波干扰下的宽带接入网上行信道误码率研究 [J]. 电路与系统学报, 2011, 16(02): 103-106.
    [20] 全厚德, 赵波, 尹中秋, 等. 共址干扰下的车载跳频电台误码率计算与分析 [J]. 电讯技术, 2012, 52(08): 1232-1238.
    [21] 王亮, 梁学东, 张乃通. 相干BPSK调制方式的混合DS-SFH系统误码率分析 [J]. 遥测遥控, 2002, (06): 24-27.
    [22] HUANG L W, CHEN Y L, HUANG H, et al. Research of Digital Communication System; proceedings of the IEEE Conference on Telecommunications, Optics and Computer Science (TOCS), Shenyang, PEOPLES R CHINA, F Dec 11-13, 2020 [C]. 2020.
    [23] SADINOV S M. Simulation Study of M-ARY QAM Modulation Techniques using Matlab/Simulink; proceedings of the 40th International Convention on Information and Communication Technology, Electronics and Microelectronics (MIPRO), Opatija, CROATIA, F May 22-26, 2017 [C]. 2017.
    [24] 邵正途, 张路, 陈鹏, 等. 基于Simulink的直扩通信干扰建模与分析 [J]. 通信技术, 2019, 52(06): 1326-1331.
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  • 收稿日期:2024-07-09
  • 最后修改日期:2024-09-29
  • 录用日期:2024-10-21
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