Research on Wave Observation Technology of Wave Glider
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摘要: 当前波浪观测主要采用波浪浮标进行定点观测, 利用波浪滑翔器等新型海洋移动观测平台进行走航式波浪观测的研究较少。针对此, 文章利用“蓝鲸”波浪滑翔器开展波浪滑翔器的测波可行性、测波方法及测波能力研究。介绍了波浪滑翔器的结构组成、工作原理和测波实现方法, 在分析波浪滑翔器和波浪浮标不同测波原理的基础上设置对比试验。基于试验结果分析了波浪滑翔器和波浪浮标关于波高、波周期、波数及波向等波浪特征数据的差值和相关性, 解析差值存在机理并提出消除差值和修正波浪滑翔器观测数据的理论依据。分析可知, 波浪滑翔器和波浪浮标相比, 波浪数据重合度较高, 差值较小, 相关性极高, 平均相关系数达到0.9以上, 数据质量可信度高, 验证了波浪滑翔器测波数据的准确性, 证明了波浪滑翔器用于波浪观测的可行性。Abstract: At present, wave observation is mainly based on wave buoys for fixed-point observation, and few studies have been conducted on wave observation in navigation by using new ocean mobile observation platforms such as wave glider. The feasibility, method and capability of wave observation by using wave glider “Blue Whale” are studied in this paper. The structure, working principle and wave observation method of wave glider “Blue Whale” is introduced, and a comparison test on the basis of analyzing the different wave observation principles of wave glider and wave buoy is established. Based on the test results, the difference and correlation of the wave height, wave period, wave number and wave direction between the wave glider and the wave buoy are analyzed. The existence mechanism of the difference value is analyzed, and the theoretical basis of eliminating the difference value and correcting the observed data of wave glider is provided. According to the test analysis, compared with that of the wave buoy, the wave data of the wave glider has higher coincidence degree, smaller difference value and a high correlation. The average correlation coefficient is above 0.9 and the data quality is highly reliable. The accuracy of wave data observed by wave glider is verified, and the feasibility of wave observation by wave glider is proved.
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Key words:
- wave glider /
- wave buoy /
- wave feature
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