지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2013.2
- 수록면
- 55 - 59 (5page)
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초록· 키워드
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This study uses two types of sounders; echo sounders (PI-32) and magnetic pressure sounders (TDR-minilog), which are widely used at the moment. Comparing depth sounding methods and values of both types of machines, this study identifies effective use of each type of sounders.
This study was conducted in East China Sea at 26th of June, 2010. Data that came from the total six (6) stations of depth sounding were used. To check the depth of water using both sounders simultaneously and verify that both sounders appropriately show the depth of water where objects were located, this study was carried out with FMT (Framed Midwater Trawl) that has a square shape with 2 m length and 2 m width, A magnetic pressure sounder was installed on the top of FMT while an echo sounder is attached on the bottom of FMT. It was expected that the difference was 2 m that was the same as the height of FMT.
The experiment shows that a magnetic pressure sounder only displays measured data after hauling a net although it more accurately measures the depth of water than a echo sounder while extracting an object from the depth of water desired. On the other hand, an echo sounder has fluctuation of depth sounding values due to irregular signal reception although it has an automatic function to control a net with real-time information.
This study finds that combination of two types of sounder can obtain more accurate depth sounding values as advantages and disadvantages of both sounders are very different, though a magnetic pressure sounder provides more accurate depth than an echo sounder.
This study was conducted in East China Sea at 26th of June, 2010. Data that came from the total six (6) stations of depth sounding were used. To check the depth of water using both sounders simultaneously and verify that both sounders appropriately show the depth of water where objects were located, this study was carried out with FMT (Framed Midwater Trawl) that has a square shape with 2 m length and 2 m width, A magnetic pressure sounder was installed on the top of FMT while an echo sounder is attached on the bottom of FMT. It was expected that the difference was 2 m that was the same as the height of FMT.
The experiment shows that a magnetic pressure sounder only displays measured data after hauling a net although it more accurately measures the depth of water than a echo sounder while extracting an object from the depth of water desired. On the other hand, an echo sounder has fluctuation of depth sounding values due to irregular signal reception although it has an automatic function to control a net with real-time information.
This study finds that combination of two types of sounder can obtain more accurate depth sounding values as advantages and disadvantages of both sounders are very different, though a magnetic pressure sounder provides more accurate depth than an echo sounder.
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UCI(KEPA) : I410-ECN-0101-2015-520-001306436