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Fast Wavelet Transform Algorithms for Sonar Signal Analysis
International Journal of Signal Processing Systems
In active sonar, received echoes are composed of multiple replicas of transmitted sonar signal with time delays and attenuations through multipath. In nonstationary scenarios, different multipath also exhibits different scaling. This phenomenon provides a way to explicitly resolve the multipath components given the availability of a rational orthogonal wavelet (ROW) analysis framework. This paper establishes the ground work of a wavelet-based multipath resolving structure by tackling the fastdoi:10.12720/ijsps.1.2.183-189 fatcat:7vnkofq345ga3hnxekef7xolv4