Gaussian Beams, Ray-centered Coordinate System, Parabolic Equation Method, p–q Equations

Released on J-STAGE: September 19, 2026 | Volume 53 Issue 3 Pages 66-84

Keiichi OHKAWA

Integral Expression of Sea-surface Scattering Filed and Behaivour of Fresnel Zone

Released on J-STAGE: July 09, 2025 | Volume 51 Issue 3 Pages 45-59

Keiichi OHKAWA

Fundamental Numerical Analysis of Biomimetic Pulse Train Signals for Underwater Acoustic Ranging: Proposal of a Pulse Train Generation Method

Released on J-STAGE: April 23, 2026 | Volume 53 Issue 2 Pages 21-35

Hanako OGASAWARA, Takanobu KUROYAMA, Kazuyoshi MORI

Prototype Three Dimensional Sonar System for Underwater Acoustic Imaging

Released on J-STAGE: February 10, 2010 | Volume 36 Issue 2 Pages 91-94

Sayuri MATSUMOTO, Kageyoshi KATAKURA, Natsuki YOSHIZUMI, Mitsuhiko NANRI, Norihide TAKEYAMA, Noriyoshi SUZUKI, Takatoshi NOGUCHI

Measurements and Theoretical Model Simulation of Target Strength of Pacific Chub Mackerel for Use in a Quantitative Sonar

Released on J-STAGE: April 23, 2026 | Volume 53 Issue 2 Pages 36-53

Naizheng YAN, Tohru MUKAI, Kohei HASEGAWA, Kohji IIDA, Naotaka TSURUTA