基于直接序列扩散频谱 (DSSS) 和二进制相位移关键 (BPSK) 调制的水下电场通信的实施
Yuzhong Zhang1, Zhenyi Zhao1, Xinglong Feng2
1School of Mechanical Engineering, Xi'an Jiaotong University, Xi'an 710049, China.
Biomimetics (Basel, Switzerland)
|February 23, 2024
概括
本研究介绍了一种新的水下电场通信系统,使用直接序列扩散频谱 (DSSS) 和二进制相位转移键 (BPSK). 该系统实现了稳定,短距离的通信和低位误差率,非常适合水下机器人.
科学领域:
- 海洋技术 海洋技术
- 生物仿真工程 生物仿真工程
- 通信系统 通信系统
背景情况:
- 水下通信面临挑战:声学方法遭受多路干扰,光学方法对环境敏感.
- 水下电场通信,灵感来自电鱼,提供稳定,环保的通信.
- 现有的电场系统在通信距离和位错误率方面存在局限性.
研究的目的:
- 开发和验证一个改进的水下电场通信系统.
- 通过结合直接序列扩散频谱 (DSSS) 和二进制相位转移密钥 (BPSK) 来解决现有系统的局限性.
- 为了证明DSSS BPSK的可行性,用于短距离的水下通信.
主要方法:
- 实施了利用DSSS和BPSK调制的水下电场通信系统.
- 在游泳池环境中进行静态通信实验.
- 在淡水中测试系统性能,导电率为739μS/cm.
主要成果:
- 在11.2米范围内实现了稳定的水下电场通信.
- 证明了10^-6.的位误差率.
- 验证了DSSS BPSK在短距离水下应用中的有效性.
结论:
- 基于DSSS BPSK的水下电场通信系统可用于短距离的应用.
- 这项技术有望在水下机器人上部署,用于各种操作.
- 该系统在复杂的水生环境中提供了对声学和光学通信方法的稳定和强大的替代方案.
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