波浪水槽中毫米波雷达跨介质通信实验研究

曾玉明; 张坤; 乐南燕; 宋春毅; 徐志伟

doi:10.11993/j.issn.2096-3920.2024-0109

波浪水槽中毫米波雷达跨介质通信实验研究

doi: 10.11993/j.issn.2096-3920.2024-0109

曾玉明^1,,
张坤^1,,
乐南燕^1,,
宋春毅^{1, 2, ,},
徐志伟^{1, 2,}

1.
东海实验室海空电磁通感装备技术研究所, 浙江舟山, 316021
2.
浙江大学海洋电子与智能系统研究所, 浙江舟山, 316021

基金项目: 国家自然科学基金青年项目(62001426); 浙江省自然科学基金探索项目(LQ21F010004); 东海青年人才启航基金项目资助(L24QH001).

详细信息

作者简介:
曾玉明(1989-), 女, 博士, 副研究员, 主要研究方向为毫米波雷达信号处理

通讯作者:
宋春毅(1978-), 男, 博士, 教授, 主要研究方向为毫米波雷达探测.

中图分类号: TJ6; TB675.7
计量
- 文章访问数: 111
- HTML全文浏览量: 54
- PDF下载量: 24
- 被引次数: 0
出版历程
- 收稿日期: 2024-06-06
- 修回日期: 2024-06-28
- 录用日期: 2024-07-03
- 网络出版日期: 2024-07-09

Experimental Study of Trans-Medium Communication of Millimeter-Wave Radar in Wave Tank

ZENG Yuming^1
,,
ZHANG Kun^1
,,
LE Nanyan^1
,,
SONG Chunyi^{1, 2
, ,},
XU Zhiwei^{1, 2
,}

1.
Institute of Intelligent Marine Sensing and Communications, Donghai Laboratory, Zhoushan 316021, China
2.
Institute of Marine Electronics and Intelligent Systems, Zhejiang University, Zhoushan 316021, China

摘要

摘要: 利用毫米波雷达探测由水下设备声波激励的水面微幅波有望实现水下设备对外无线跨介质通信。水面波动效应研究对实现基于毫米波雷达微幅波探测的跨介质通信具有重要价值。针对此, 文中在波浪水槽中对二进制相移键控和二进制频移键控调制信号跨介质通信开展了实验, 测试分析了不同幅度水面波动对跨介质通信的影响, 评估了基于空间分集技术的通信性能。实验结果表明, 中等水面波动对毫米波雷达跨介质通信性能的影响最小, 基于多通道合并的空间分集技术能提升波动水面上的跨介质通信质量。文中的研究可为基于毫米波雷达微幅波探测的跨介质通信技术在波动水面实际应用提供参考。
- 毫米波雷达 /
- 跨介质 /
- 无线通信 /
- 波浪水槽 /
- 微幅波
Abstract: Wireless cross-medium communication for underwater equipment may be possible by using millimeter-wave radar to detect the micro-wave vibration on the water surface excited by sound waves of underwater equipment. Studying the effect of water surface waves is of great value for achieving trans-medium communication based on micro-wave vibration detection by millimeter-wave radar. Therefore, experiments were carried out on the trans-medium communication of binary phase-shift keying(BPSK) and binary frequency-shift keying(BFSK) modulation signals in a wave tank. The influence of different water surface wave vibrations on trans-medium communication was tested and analyzed, and the communication performance based on spatial diversity technology was evaluated. The experimental results show that moderate water surface wave vibrations have the least impact on the trans-medium communication performance of millimeter-wave radar, and the spatial diversity technology based on multi-channel data merging can improve trans-medium communication performance on wavy water surfaces. The research results can provide a reference for practical applications of trans-medium communication technology based on micro-wave vibration detection by millimeter-wave radar on wavy water surfaces.
- millimeter-wave radar /
- trans-medium /
- wireless communication /
- wave tank /
- micro-wave vibration

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图 1 跨介质通信技术对比

Figure 1. Comparison of cross-medium communication technologies

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图 2 声源级为185 dB/μPa时不同频率和水深下微幅波振幅

Figure 2. The amplitude of micro-waves at different frequencies and depths for 185 dB/μPa sound source

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图 3 微幅波在77 GHz雷达中产生的相位变化

Figure 3. Phase changes generated by micro-waves in 77 GHz radar

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图 4 理想点声源(50 Hz)激励微幅波

Figure 4. Micro-waves excited by an ideal point sound source (50 Hz)

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图 5 声波束激励的微幅波三维分布

Figure 5. Three-dimensional distribution of micro-waves excited by sound beam

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图 6 声波在不同水深中衰减(假设为圆柱形传播衰减)

Figure 6. Sound wave attenuation in different water depths (assuming cylindrical propagation attenuation)

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图 7 线性调频波形以及频率示意图

Figure 7. Schematic diagram of linear frequency modulation waveform and frequency

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图 8 跨介质通信原理示意图

Figure 8. Principle of trans-medium communication

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图 9 波浪水槽实验场景图

Figure 9. Scene of wave tank experiment

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图 10 信号处理流程图

Figure 10. Flowchart of signal processing

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图 11 不同推程时波高仪记录的水面波动

Figure 11. The water surface fluctuations recorded by the wave height meter at different pash plate strokes

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图 12 不同音量下振幅分布直方图

Figure 12. Histograms of amplitude distribution at different volumes

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图 13 不同推程下BFSK调制SNR分布直方图

Figure 13. Histograms of SNR distribution at different push plate stokes

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图 14 不同推程下莱斯因子分布直方图

Figure 14. Histograms of Rice factor distribution at different push plate stokes

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图 15 不同推程下误码率分布直方图

Figure 15. Histograms of error rate distribution at different push plate stokes

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图 16 BFSK和BPSK各通道以及合并通道误码率

Figure 16. Error rate of BFSK and BPSK channels and joint channels

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图 17 莱斯因子与水面波动对比

Figure 17. Comparison between Rice factor and water surface fluctuations

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表 1 雷达参数列表

Table 1. Parameters of radar system

参数名称	数值
频率/GHz	77
带宽/GHz	3.06
脉冲采样点	256
脉冲周期/μs	100
脉冲数	255×256
天线波束宽度/(° )	30, 80

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表 2 不同推程下雷达数据统计表

Table 2. BFSK data statistics table at different push plate stokes

推程 /mm	波高 /cm	BFSK		BPSK
推程 /mm	波高 /cm	SNR /dB	莱斯因子	SNR /dB	莱斯因子
20	2	−12.1	1.8	−13.5	2.1
30	4	−2.3	6.4	−5.2	7.2
40	6	−5.5	21.1	−2.9	15.7
50	8	−5.7	3.2	−4.9	10.1
60	9	−6.5	2.8	−9.8	2.8
70	10	−7.4	3.3	−10.7	2.6

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