The conventional BF/MFP (beamforming/matched field processing) or BF/MFP based on subspace axe traditional array signal processing methods for source's detection and location, they axe all belonging to singe-resolution processing. In fact, the array signal has multiresolution structure, which is worthy of exploiture and utilization to enhance the ability of detection and location, especially to improve the robustness for BF/MFP. The time-space multiresolution modeling of multipath transmitted wave and the corresponding multiresolution focused processing axe investigated, and it is shown from the analysis of actual sea-trial data that the performance of MFP can be improved.
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