Zobrazeno 1 - 10
of 123
pro vyhledávání: '"Shingo Yoshizawa"'
Publikováno v:
Journal of Electrical and Computer Engineering, Vol 2018 (2018)
Reliable underwater acoustic communication is demanded for autonomous underwater vehicles (AUVs) and remotely operated underwater vehicles (ROVs). Orthogonal frequency-division multiplexing (OFDM) is robust with multipath interference; however, it is
Externí odkaz:
https://doaj.org/article/579a536b8d8449748e2666aff5a09f44
Data Selective Rake Reception for Underwater Acoustic Communication in Strong Multipath Interference
Publikováno v:
Journal of Electrical and Computer Engineering, Vol 2017 (2017)
In underwater acoustic communication (UAC), very long delay waves are caused by reflection from water surfaces and bottoms and obstacles. Their waves interfere with desired waves and induce strong multipath interference. Use of a guard interval (GI)
Externí odkaz:
https://doaj.org/article/c8f5787a8cc04c7ea318c24925f99724
Autor:
Shingo Yoshizawa, Yoshikazu Miyanaga
Publikováno v:
Journal of Electrical and Computer Engineering, Vol 2013 (2013)
Externí odkaz:
https://doaj.org/article/3a034ae5562846cabe9c8a21e3b4fcd7
Underwater Acoustic Positioning for Close Sources Using Time Division and Code Division Multiplexing
Publikováno v:
International Journal of Circuits, Systems and Signal Processing. 17:170-176
Underwater acoustic positioning system (UAPS) is used to know the positions of underwater robots and underwater structures. In ultra-short baseline (USBL) acoustic positioning systems, the three-dimensional position is determined by measuring the tim
Autor:
Atsushi Wada, Shingo Yoshizawa
Publikováno v:
International Journal of Circuits, Systems and Signal Processing. 16:999-1006
This paper presents a three dimensional localization method for underwater acoustic positioning systems. In typical ultra-short baseline (USBL) acoustic positioning systems, the three dimensional position is localized by using multiple time differenc
Autor:
Shingo Yoshizawa
Publikováno v:
International Journal of Circuits, Systems and Signal Processing. 15:1624-1631
This paper presents a new idea of impulse response shortening in time difference of arrival (TDOA) measurement algorithm for underwater acoustic localization. Due to strong multipath interference caused by acoustic wave reflection, the pseudo-peaks o
Autor:
Shingo YOSHIZAWA, Hiroshi TSUTSUI
Publikováno v:
IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences. :454-455
Autor:
Shingo Yoshizawa
Publikováno v:
International Journal of Circuits, Systems and Signal Processing. 15:164-171
This paper presents a method of underwater acoustic localization in reverberant environments. Time difference of arrival (TDOA) measurement algorithm is a key technology for estimating direction of arrival (DOA) of an underwater sound source. In stro
Autor:
Keisaku Takada, Shingo Yoshizawa
Publikováno v:
Journal of Signal Processing. 25:33-42
Autor:
Takahiro Ishikawa, Shingo Yoshizawa
Publikováno v:
2021 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS).