The Journal of The Marine Acoustics Society of Japan

Investigation of the Variability Characteristics of Sound Waves Reflected on the Sea Surface Considering Surface Wavelength

Pub Date : 2023-04-01 DOI: 10.3135/jmasj.50.1 Tomoya TSUKUI, Shinnosuke HIRATA, Hiroyuki HACHIYA

Multibeam-echosounder Accuracy Verification Experimental Method and Initial Results

Pub Date : 2022-10-01 DOI: 10.3135/jmasj.49.127 Masanao Sumiyoshi, R. Nagasawa, Haruka Ogawa, Makoto Yoshizawa, Yuhei Akiyama, Katsuyuki Nagano, T. Hashimoto, Ryo Horinouchi, Koji Horiuchi, Koji Saito, Tomoki Kawakami, Zengo Yoshida, Y. Yokota

Efficiency of Phase-Aware SC-AFM Signal for Underwater Target Ranging Using Time Reversal Ultrasound

Pub Date : 2022-07-01 DOI: 10.3135/jmasj.49.87 M. Isobe, Ryo Toh