Underwater target depth estimation: A shallow-water broadband acoustic source depth estimation method based on corrected warping transformation.

ABSTRACT: A broadband sound source depth estimation method based on the BDRM model is proposed for the shallow sea to address the problem that the traditional Warping transform is limited by the ideal waveguide and cannot handle the real marine environment localization of structures with variable sound speed profiles. The modified Warping transform operator compensates for the propagation and reflection phases of the received signals in double phase, compresses the modes of the received signals under different sound speed profiles to approximate a single frequency, and projects the modified signals using time-frequency analysis (TFR). As a result, the modes of the received signals are clearly separated in the time-frequency domain. Then, the corresponding bandpass filters are designed considering th

SUBMITTER: Siqi D 

PROVIDER: S-EPMC11824994 | biostudies-literature | 2025

REPOSITORIES: biostudies-literature