| Experimental Investigation of Wave Heights in A Directional Wave Field Through Image Sequences |
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| 作者姓名： | Chung-RenCHOU Teng-WeiLIN Ruey-SyanSHIH JohnZ.YIM |
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| 作者单位： | [1]DepartmentofHarborandRiverEngineering,NationalTaiwanOceanUniversity,Keeling20299,China [2]DepartmentofCivilEngineering,TungNanInstituteofTechnology,Taipei22202,China |
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| 基金项目： | This work was financially supported by the Science Council, Taiwan (Project No. NSC 91 2611 E 019 007) |
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| 摘 要： | Measurements of wave heights with image sequences from a Charged Coupled Device(CCD) camera were made. Sinusoidal, as well as unidirectional and directional, waves were used for the experiments. A transfer function was obtained by calibration of the magnitudes of the gray values of the images against the results of wave gauge measurements for directional waves. With this transfer function, wave heights for regular waves were deduced. It is shown that the average relative errors are smaller than 16% for both unidirectional and directional waves.
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| 关 键 词： | 放电耦合装置 遥感观测 定向波浪 变换函数 重量测量 |
Experimental Investigation of Wave Heights in A Directional Wave Field Through Image Sequences |
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| Chung-RenCHOU Teng-WeiLIN Ruey-SyanSHIH JohnZ.YIM.Experimental Investigation of Wave Heights in A Directional Wave Field Through Image Sequences[J].China Ocean Engineering,2005,19(1):37-48. |
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| Authors: | Chung-Ren CHOUa Teng-Wei LIN a Ruey-Syan SHIHb and John Z YIMaa |
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| Institution: | Received 1 October 2004; accepted 20 December 2004 |
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| Abstract: | Measurements of wave heights with image sequences from a Charged Coupled Device(CCD) camera were made. Sinusoidal, as well as unidirectional and directional, waves were used for the experiments. A transfer function was obtained by calibration of the magnitudes of the gray values of the images against the results of wave gauge measurements for directional waves. With this transfer function, wave heights for regular waves were deduced. It is shown that the average relative errors are smaller than 16% for both unidirectional and directional waves. |
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| Keywords: | charged coupled device remote sensing directional wave transfer function wave height measurements |
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