基于声学-光学体制的水-空跨介质通信算法

周志权; 赵兴康; 陈英楠; 黄金鑫; 赵扬

doi:10.11993/j.issn.2096-3920.2024-0098

基于声学-光学体制的水-空跨介质通信算法

doi: 10.11993/j.issn.2096-3920.2024-0098

周志权^1,,
赵兴康^1,,
陈英楠^1,,
黄金鑫^1,,
赵扬^{1, 2, ,}

1.
哈尔滨工业大学(威海) 信息科学与工程学院, 山东威海, 264209
2.
威海市智能光声检测与传感技术重点实验室, 山东威海, 264209

基金项目: 国家自然科学基金资助项目(52275524); 山东省重点研发计划(2021ZLGX05); 哈尔滨工业大学科研创新基金(202006).

详细信息

作者简介:
周志权(1973-), 男, 博士, 教授, 博士生导师, 主要研究方向为海空天立体化探测

通讯作者:
赵　扬(1982-), 男, 博士, 教授, 主要研究方向为光声检测与通信技术.

中图分类号: TJ6; U675.7
计量
- 文章访问数: 199
- HTML全文浏览量: 47
- PDF下载量: 49
- 被引次数: 0
出版历程
- 收稿日期: 2024-05-29
- 修回日期: 2024-07-02
- 录用日期: 2024-07-03
- 网络出版日期: 2024-07-09

Algorithm of Water-Air Trans-Medium Communication Based on Acousto-Optic System

ZHOU Zhiquan^1
,,
ZHAO Xingkang^1
,,
CHEN Yingnan^1
,,
HUANG Jinxin^1
,,
ZHAO Yang^{1, 2
, ,}

1.
School of Information Science and Engineering, Harbin Institute of Technology(Weihai), Weihai 264209, China
2.
Weihai Key Lab of Photoacoustic Testing and Sensing Technology, Weihai 264209, China

摘要

摘要: 为实现水-空跨介质上行无线通信, 文中在激光干涉检测水下声信号的基础上, 通过仿真计算获得了不同水深下到水平面的声信号衰减曲线, 以及不同水声功率频率信号引起的水面微振动曲线; 建立了水下声源特征与水表面扰动之间的定量关系; 设计了跨介质通信的码元, 并对多种解调方式进行了比较, 分析了各个参数变化对传输过程误码率的影响, 实现了声学-激光通信的调制与解调仿真。
- 跨介质通信 /
- 激光干涉 /
- 水声信号衰减 /
- 声学-激光通信
Abstract: To achieve underwater-aerial trans-medium uplink wireless communication, based on the laser interference detection of underwater acoustic signals, attenuation curves of acoustic signals at various water depths to the water surface and micro-vibration curves on the water surface caused by different underwater acoustic power frequency signals were obtained through simulation calculations. A quantitative relationship between underwater sound source characteristics and disturbances on the water surface was established. Code elements for trans-medium communication were designed, and various demodulation methods were compared. The impact of parameter variations on the transmission error rate was analyzed, and modulation and demodulation simulations of acoustic-laser communication were achieved.
- trans-medium communication /
- optical interferometry /
- acoustic signal attenuation /
- acoustic-laser communication

HTML全文

图 1 声信号水平方向传播损失

Figure 1. Propagation loss of acoustic signal in horizontal direction

下载: 全尺寸图片幻灯片

图 2 声信号垂直方向传播损失图

Figure 2. Propagation loss of acoustic signal in vertical direction

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图 3 水面振动与声压级关系图

Figure 3. Relationship between water surface vibration and sound pressure level

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图 4 激光干涉法探测水下声信号仿真结果

Figure 4. Simulation results of detecting underwater acoustic signal by optical interferometry

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图 5 不同带通调制方式误码率随信噪比变化曲线

Figure 5. Variation of bit error ratio with signal-to-noise ratio for different bandpass modulation method

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表 1 仿真参数设置

Table 1. Setting of simulation parameters

参数	数值
激光波长/nm	632.8
系统增益	1
环境干扰幅值/nm	1 000
环境干扰频率/Hz	3
水声信号振幅/nm	30
水声信号频率/Hz	600
高频载波振幅/nm	60
高频载波频率/Hz	10 000
调制度	1.2

下载: 导出CSV

表 2 不同调制方式仿真结果

Table 2. Simulational results of different modulation methods

调制方式	载波频率/Hz	最小采样点	最大速度 /(bit/s)	10⁻³误码率所需信噪比
2ASK	600	200	100	6.2
2FSK	600/1 000	300	67	22.0
4FSK	500/900/1 500/2 000	500	80	22.0
2PSK	600	80	250	22.0

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