First Experiment Result of Time-Reversal Communication in Deep Ocean
スポンサーリンク
概要
- 論文の詳細を見る
We have researched time-reversal (phase-conjugate) acoustic technology for long horizontal communication by simulations, and have proposed a method of combining time reversal and the use of an adaptive equalizer to realize communication even with a sparse time-reversal array and the communication with a moving underwater vehicle. An experiment in a real sea was executed in Suruga-bay at a frequency of 500 Hz at a distance of 10 km, and its results are described in this paper. In the trial, the projector oonlyn the array side malfunctioned. Thus only a passive time-reversal communication experiment was performed. It was confirmed that communication could be achieved using only 10 elements of the array by the proposed method at a water depth of 1,100 m.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2007-07-30
著者
-
Ochi Hiroshi
Advanced Marine Technology Research Program, Marine Technology Center, Japan Agency for Marine-Earth Science and Technology (JAMSTEC)
-
Shimura Takuya
Advanced Marine Technology Program, Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Yokosuka, Kanagawa 237-0061, Japan
-
Watanabe Yoshitaka
Advanced Technology Research Program, Marine Technology Center, Japan Agency for Marine-Earth Science and Technology (JAMSTEC), 2-15 Natsushima-cho, Yokosuka, Kanagawa 237-0061, Japan
-
Watanabe Yoshitaka
Advanced Marine Technology Program, Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Yokosuka, Kanagawa 237-0061, Japan
関連論文
- Experiment Results of Time-Reversal Communication at the Range of 300 km
- Measurement of Absorption Loss at 80 kHz Band for Wideband Underwater Acoustic Communication
- Demonstration of time-reversal communication combined with spread spectrum at the range of 900 km in deep ocean
- Current Flow-Induced Effect on Time-Reversal Communication
- First Experiment Result of Time-Reversal Communication in Deep Ocean
- Time-Reversal Communication in Deep Ocean: Result of Second At-Sea Experiment