The application of compressive sensing to underwater acoustic array processing and design

2013 ◽  
Vol 134 (5) ◽  
pp. 4169-4169
Author(s):  
Jeffrey S. Rogers ◽  
Charles F. Gaumond ◽  
Geoffrey F. Edelmann
Keyword(s):  
Compressive Sensing ◽  
Array Processing ◽  
Underwater Acoustic ◽  
Acoustic Array

scholarly journals Design of an underwater acoustic array for full ocean depth multi-beam echo sounder

2019 ◽  
Vol 283 ◽  
pp. 05002
Author(s):  
Haoqi Hao ◽  
Tiejian Xia ◽  
Min Xie
Keyword(s):  
High Reliability ◽  
Integrated Design ◽  
High Sensitivity ◽  
Underwater Acoustic ◽  
Technical Requirements ◽  
Planar Array ◽  
In Series ◽  
Stable Performance ◽  
Acoustic Array ◽  
Echo Sounder

In order to meet the technical requirements of full ocean depth multibeam echo sounder, the underwater acoustic array must have the ability of wide coverage, broadband response, high sensitivity and high reliability. This paper presents a design of underwater acoustic array based on Mills cross configuration with separate transmitting and receiving units. The arrays have modules design, hence the beamwidth of the array can be adjusted according to particular installation requirements. The working frequency band of the arrays is between 10.5kHz to 13.5kHz, and the coverage angle can cover -71.6°~71.6°. The Integrated design is used to achieve a wide-angle beam coverage of the planar array, which combines the transducer and the sound baffle together to realize a wide directivity of the array elements. The longitudinal bending transducers are designed to meet the broadband requirements for the transmitting array, which are Tonpilz transducers with flexural radiating head. On the other hand, each element of the receiving array is composed of several hydrophones, which are connected in series to achieve high sensitivity. The double-layer watertight technology is also applied in our design, ensuring stable performance and long service life.

Pitch and Depth Keeping of Moored-type Underwater Acoustic Array System

2019 ◽  
Author(s):  
Suk-Min Yoon ◽  
Chong-Moo Lee ◽  
Kihun Kim ◽  
Sung-Hoon Byun
Keyword(s):  
Underwater Acoustic ◽  
Acoustic Array
Sign in / Sign up

Export Citation Format

Share Document