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저 시-비 리- 경 지 2.0 한민
는 아래 조건 르는 경 에 한하여 게
l 저 물 복제, 포, 전송, 전시, 공연 송할 수 습니다.
다 과 같 조건 라야 합니다:
l 하는, 저 물 나 포 경 , 저 물에 적 된 허락조건 명확하게 나타내어야 합니다.
l 저 터 허가를 면 러한 조건들 적 되지 않습니다.
저 에 른 리는 내 에 하여 향 지 않습니다.
것 허락규약(Legal Code) 해하 쉽게 약한 것 니다.
Disclaimer
저 시. 하는 원저 를 시하여야 합니다.
비 리. 하는 저 물 리 목적 할 수 없습니다.
경 지. 하는 저 물 개 , 형 또는 가공할 수 없습니다.
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3.1.1. 난류 변동 압력 ·······································································6
3.1.2. 원형 수중청음기에 수신되는 난류 유동 소음 ·········11
3.1.3. 고주파 수동소나 자체소음 모의결과 ··························13
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주파수에 따른 소음 준위 4.2.1. ················································20
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유동 속도 변화에 따른 소음 준위 4.2.2. ·······························20
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1
2
3
4
~
~
5
6
7
∞
∞
exp
8
⟨⟩
⟨⟩
9
∞
∞
∞
∞
exp
∞
∞
∞
∞
× exp
exp
exp (6)
exp (7)
10
(8)
(9)
exp (10)
11
(11)
log (12)
⟨⟩ (13)
∞
∞
∞
∞
∞
∞
× exp
(14)
∞
∞
∞
∞
∞
∞exp (15)
12
⟨⟩
exp
×∞
∞
∞
∞
∞
∞
exp
∞
∞
∞
∞
∞
∞
exp
(16)
exp
expcossin
(17)
13
(18)
∞
∞
∞
∞
(19)
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15
청음기 반경 (a) 7 cm
청음기 반경 (b) 7 cm
속도 12 knots
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영
해양배경소음 미고려(a) 해양배경소음 고려(b)
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(a) Sea state 0 (b) Sea state 2
(c) Sea state 4
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(a) (b) (c)
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(a) Speed 6 knots (b) Speed 9 knots (c) Speed 12 knots
(d) Speed 15 knots (e) Speed 18 knots
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