| ADCP、OBS在底部泥沙运动观测中的应用探讨 |
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| 引用本文： | 杨俊辉.ADCP、OBS在底部泥沙运动观测中的应用探讨[J].港工技术,2009,46(Z1). |
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| 作者姓名： | 杨俊辉 |
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| 作者单位： | 中交上海航道勘察设计研究院有限公司,上海,200120 |
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| 摘 要： | ADCP在定点测量时船速为零,在船静止状态下,理论上船的运动轨迹即为底沙的运动轨迹.此时参考底跟踪观测到的船的运动轨迹与同步GPS-RTK观测到的船的运动轨迹比对,可以间接看出底沙运动的情况;同时利用OBS,可以同步实时测得底沙浓度.根据船的运动轨迹比对和测定的底沙浓度.从而研究底沙的运动规律.
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| 关 键 词： | 多普勒 底部泥沙 |
Disscussion on Application of ADCP & OBS in Bottom Sediment Movement Observation |
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| Yang Junhui.Disscussion on Application of ADCP & OBS in Bottom Sediment Movement Observation[J].Port Engineering Technology,2009,46(Z1). |
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| Authors: | Yang Junhui |
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| Institution: | Shanghai Waterway Engineering Design And Consulting Co.;Ltd.;Shanghai 200120;China |
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| Abstract: | The ship speed is zero under the condition of ADCP in the fixed-point measurement. When the ship is in the still state,the trajectory of ship in theory namely is the one of the bottom sand. At this time,comparing the ship's trajectory referring to the bottom follow-up observation with that observed by the simultaneous GPS-RTK,the situation of the bottom sand movement can be seen indirectly. At the same time,a real-time synchronization measurrement of the bottom sand concentration can be made by using OBS. According to the comparisons of ship's trajectory and the observed bottom sand concentration,the regularities of the bottom sand motion are studied. |
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| Keywords: | ADCP OBS GPS-RTK ADCP OBS GPS-RTK Doppler sediment at the bottom |
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