An Experimental Underwater Acoustic Imaging System Using Multi-Beam Scanning

1980 ◽  
pp. 249-266 ◽  
Author(s):  
Kazuhiko Nitadori ◽  
Kunihiko Mano ◽  
Hiroshi Kamata
1988 ◽  
Vol 84 (S1) ◽  
pp. S87-S87
Author(s):  
Ieharu Kaihoh ◽  
Hisami Hayakawa ◽  
Masanori Osanai

1980 ◽  
pp. 219-234 ◽  
Author(s):  
J. L. Sutton ◽  
J. V. Thorn ◽  
N. O. Booth ◽  
B. A. Saltzer

Author(s):  
Sayuri Matsumoto ◽  
Kageyoshi Katakura ◽  
Takenobu Tsuchiya ◽  
Nobuyuki Endo

1971 ◽  
Vol 49 (1A) ◽  
pp. 91-91
Author(s):  
G. C. Knollman ◽  
J. L. S. Bellin ◽  
A. E. Brown ◽  
J. Weaver

1980 ◽  
Vol 2 (4) ◽  
pp. 313-323 ◽  
Author(s):  
Amin Hanafy ◽  
Mauro Zambuto

A two-step real time acoustic imaging system is presented. The system incorporates a novel acoustic image coupler which transfers an acoustical interference pattern from a water-bounded to an air-bounded surface with vibration amplitude amplification. An original technique termed step-biased real time holographic interferometry is used to convert the amplified mechanical vibration pattern, which carries all information about the insonified object, into a visual image with improved sensitivity.


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