基于改进跨零点法的大波波高测量研究  

Research on Large Wave Height Measurement Based on Improved Zero Crossing Method

作　　者：张维星 张锁平[1] 王斌[1] 党超群 上官亮 Zhang Wei-xing;Zhang Suo-ping;Wang Bin;Dang Chao-qun;Shangguan Liang(National Ocean Technology Center,Tianjin 300112)

机构地区：[1]国家海洋技术中心,天津300112

出　　处：《电子质量》2022年第10期11-16,共6页Electronics Quality

基　　金：省重点研发项目(粤自然合[2020]053号);省重点研发项目(JSZRHYKJ202009)资助。

摘　　要：为提高对大中尺度海域波浪特性计算的准确率,为海上作业、航行安全以及实验室数值模拟提供合理的计算方法和提供更有价值的参考,分析目前算法存在的问题并提出几种改进跨零点法,利用仿真软件模拟不同尺度大波并进行实验数据对比分析。确定适合大波波高测量的计算方法。实验结果表明,最终确定的算法较改进前跨零点法精度更高,能更好地适应不同的波浪曲线,计算结果更加切合实际,有效提高了海上实测数据的准确性及可靠性。该研究对提高海洋要素测量精度具有重要意义,有很大的工程应用价值。To improve the accuracy of wave characteristics calculation in large and medium-sized sea areas,and provide reasonable calculation methods and more valuable references for offshore operation,navigation safety,and laboratory numerical simulation,this paper analyzes the problems existing in the current algorithm,puts forward several improved zero-crossing methods,simulates large waves of different scales with simulation software,and compares and analyzes the experimental data.Determine the calculation method suitable for large wave height measurement.The experimental results show that the final algorithm has higher accuracy than the improved front zero-crossing method,can better adapt to different wave curves,the calculation results are more practical,and effectively improve the accuracy and reliability of offshore measured data.This research is of great significance to improve the measurement accuracy of marine elements and has great engineering application value.

关 键 词：跨零点法 波高 海浪观测 海洋要素 滑动平均 

分 类 号：P714[天文地球—海洋科学]