Investigation of a 3-D Undersea Positioning System Using Electromagnetic Waves

Investigation of a 3-D Undersea Positioning System Using Electromagnetic Waves
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利用电磁波进行 3D 海底定位系统的研究

DOI:
10.1109/tap.2020.3048584
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发表时间:
2021
影响因子:
5.7
通讯作者:
Yoshida Hiroshi
Yoshida Hiroshi
中科院分区:
计算机科学2区
文献类型:
--
作者:
Kato Ryosuke;Takahashi Masaharu;Ishii Nozomu;Chen Qiang;Yoshida Hiroshi

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当潜水员从海上事故中救人时,由于海上漂浮的障碍物,他们处于危险之中。如果潜水员能够确认自己的位置,他们的活动将变得更加安全。在本研究中,假设我们指定执行救援行动的潜水员的位置,以支持他们的工作,我们研究了使用低频电磁波的海底定位技术,即,10千赫。在以前的研究中,10 kHz的超长波理论上衰减为3.5 dB/m。此外,还报告了在海洋垂直剖面中位置估计的模拟。在这项研究中,我们指出的优越性,使用接收信号强度(RSS)之间的相位差发送和接收信号。我们还研究了位置估计的算法,其中天线特性和两个传播射线的电磁波在海上被认为是。最后,我们估计的位置,发射天线在1至8米的深度,使用我们的算法。
When divers rescue people from accidents at sea, they are in danger because of obstacles floating in the sea. If divers can confirm their own position, their activities will become much safer. In this study, assuming that we specify the positions of the divers performing rescue operations, to support their work, we investigate an undersea positioning technology using electromagnetic waves with low frequencies, i.e., 10 kHz. In previous studies, an ultra-long wave of 10 kHz was theoretically attenuated at 3.5 dB/m. In addition, a simulation of position estimation in the vertical section of the sea was reported. In this study, we indicate the superiority of using receiving signal strength (RSS) to the phase difference between a transmitted and received signal. We also investigate an algorithm for position estimation wherein the antenna characteristics and two propagating rays of electromagnetic waves at sea are considered. Finally, we estimate the position of the transmitting antenna at depths of 1 to 8 m using our algorithm.
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