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本文将外频谱转化为外观波数谱并设计了计算处理格式，提出了一种谱宽度参量的优化方法，为进一步研究海浪特征资料提取谱值和应用奠定基础。数值试验验证了此方法的可行性，但在高海况下风浪过程复杂，优化出的谱宽度偏大，外观谱解析形式需进一步改进
In this paper, the external spectrum is transformed into the appearance wave number spectrum and the calculation processing format is designed. An optimization method of the spectral width parameter is proposed, which lays the foundation for further research on the spectrum value extraction and application of the ocean wave feature data. Numerical experiments verify the feasibility of this method. However, under high sea conditions, the wave process is complex and the optimized spectral width is too large. Therefore, the analytical form of the appearance spectrum needs to be further improved