an application of hilbert-huang transform in underwater acoustic vector signal processing was introduced and a new method of vector hilbert-huang transform(vector hht)was developed.
将希尔伯特黄变换应用于水声矢量信号处理之中,提出了矢量希尔伯特黄变换法(矢量hht)。
an algorithm for estimating the cross-bispectrum of an acoustic vector signal was formulated.
提出了声矢量信号互双谱估计算法。
this paper aims to get enough knowledge of line spectrum in acoustic vector signal and extract as more features as possible so as to improve the recognition-rate of targets.
本文旨在通过以上研究,能够对声矢量信号中的线谱成分有充分的认识和提取到尽可能多的特征,从而进一步提高舰船目标识别率。