基于同态滤波的水声时延估计算法研究
发布时间：2018-09-08 16:04
【摘要】：针对水声信道的多径扩展特性和稀疏性,和海洋介质的多重散射和不均匀性,同态滤波技术可以在变换域将卷积转化为加法的操作进行处理,非常适合水声信道.主要对水声信号在倒谱域进行处理,通过信道冲激响应作为衡量的标准,给出了有益的结论,为更进一步的研究奠定了基础.
[Abstract]:Aiming at the multipath spread and sparsity of underwater acoustic channels and the multi-scattering and inhomogeneity of marine media, homomorphic filtering can transform convolution into addition in transform domain, which is very suitable for underwater acoustic channels. The underwater acoustic signal is processed in the cepstrum domain, and the channel impulse response is used as the standard of measurement, and some useful conclusions are given, which lays a foundation for further research.
【作者单位】： 许昌学院交通运输学院;哈尔滨工程大学水声技术重点实验室;
【基金】：国家青年自然科学基金(61501134);国家青年自然科学基金(11304056)
【分类号】：TB56
，
本文编号：2231010
[Abstract]:Aiming at the multipath spread and sparsity of underwater acoustic channels and the multi-scattering and inhomogeneity of marine media, homomorphic filtering can transform convolution into addition in transform domain, which is very suitable for underwater acoustic channels. The underwater acoustic signal is processed in the cepstrum domain, and the channel impulse response is used as the standard of measurement, and some useful conclusions are given, which lays a foundation for further research.
【作者单位】： 许昌学院交通运输学院;哈尔滨工程大学水声技术重点实验室;
【基金】：国家青年自然科学基金(61501134);国家青年自然科学基金(11304056)
【分类号】：TB56
，
本文编号：2231010
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