Title

Implementation and Characterization of Wideband 3D Vector Hydrophone with Simple Structured Compressive-type Piezoelectric Accelerometer

Alternative Title

단순한 구조의 압축형 압전 가속도계를 포함한 광대역 3차원 벡터 하이드로폰의 설계 제작 및 시험

DGIST Authors

Taehoun Roh ; Hongsoo Choi ; Jinyoung Kim

Advisor

최홍수

Co-Advisor(s)

Jinyoung Kim

Issued Date

2023

Awarded Date

2023-02-01

Citation

Taehoun Roh. (2023). Implementation and Characterization of Wideband 3D Vector Hydrophone with Simple Structured Compressive-type Piezoelectric Accelerometer. doi: 10.22677/THESIS.200000656493

Type

Thesis

Description

Vector hydrophone, Piezoelectric accelerometer, Underwater Acoustics

Table Of Contents

I. INTRODUCTION 1
1.1 Research Background 1
1.2 Research Objective 11
II. DESIGN AND FABRICATION 14
2.1 Spherical hydrophone 14
2.2 Directional hydrophone 17
2.3 Assembly of the prototype vector hydrophone 30
III. CHARACTERIZATION AND RESULTS 32
3.1 Characterization of the Fabricated Vector Hydrophone 32
3.1.1 In-air characterization of the directional hydrophone 32
3.1.2 Underwater characterization of the vector hydrophone 35
3.2 Optimization of the vector hydrophone 39
3.2.1 Second optimization of vector hydrophone 39
3.2.2 Third optimization of vector hydrophone 49
IV. CONCLUSION AND DISCUSSION 57
4.1 Conclusion 57
4.2 Discussion and Future work 57
REFERENCES 59
요 약 문 62

URI

http://hdl.handle.net/20.500.11750/45713
http://dgist.dcollection.net/common/orgView/200000656493

DOI

10.22677/THESIS.200000656493

Degree

Master

Department

Department of Robotics and Mechatronics Engineering

Publisher

DGIST

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