Research on Analyses of Waves and Sea Surface Conditions by Marine Radar

1990-1991年，海洋雷达波观测系统在硬件、观测数据呈现、数据存储过程、波浪分析软件等方面进行了不断的改进。并对该观测系统进行了全面的发展和改进，使其具备了对波进行观测和分析的条件。经过2年半的运行，该系统具有良好的运行耐久性和分析精度。1992年，在神户商船大学淡路海洋实验实践中心进行了为期10天的波浪观测。有两种情况，一种是台风经过三仁，另一种是冷空气爆发，强烈的西风吹来，海浪发展到足以分析数据。本研究项目期1990-1992年所有观测资料均采用二维光谱分析方法和一维光谱分析方法进行各方向分析。与一维光谱分析法相比，二维光谱分析法的分析结果更加稳定、准确。但是，人们认识到，这种一维方法可以用来自动选择该观测系统的二维方法的分析区域。这种一维方法应该包含在波浪分析软件中。

Improvements of hardware, observational data presentation, data storing process, and wave analysis software of the Marine Radar Wave Observation System have been made continuously from 1990-1991. And this observation system have been developed and improved totally to the sufficiently good condition to observe and analyze waves by this observation system. This system showed enough endurance in operation and accuracy in analysis from about 2 and half-year operation.In 1992, wave observations were made for 10 days in total at the Awaji Marine Experiment and Practice Center of Kobe University of Mercantile Marine. In two cases, one is the typhoon passing through the San-in and the other is cold air outbreak, strong westerly winds blew and waves developed enough to analyze data.All observational data for this research project term, 1990-1992, were analyzed by 2-dimensional spectral analysis method and 1-dimensional spectral analysis method in each direction. 2-dimensional spectral analysis method gave more stable and accurate analytical results than 1-dimensional spectral analysis method. But, it was recognized that this 1-dimensional method could be used to automatically select the analyzing area of 2-dimensional method of this observation system. This 1-dimensional method is supposed to be included in the wave analysis software.