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Comparison between the Time-delay Estimations by Cross-correlation Method and Cross-power Spectrum Method
Pages: 1-7
Year: Issue:  4
Journal: Ocean Technology

Keyword:  时延估计互功率谱法互相关法被动声纳互相关函数水听器实验研究信号海洋环境噪声估计精度;
Abstract: 本文对被动声纳的两种时延估计方法——互相关法与互功率谱法的性能进行了比较,由于船舶辐射噪声和海洋环境噪声的复杂性,本文把重点放在被动声纳海上实测信号的研究上,实验研究表明,互功率谱法比互相关法有较大的环境适应能力和较高的估计精度。
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