System and method of noise reduction
Abstract:
A system for signal detection including a receiver, a transforming block, a noise reduction block, and an object detection block. The receiver is adapted to provide an initial dataset sampled in a time domain over a frequency range. The transforming block is adapted to receive the initial dataset and convert the initial dataset from the time domain to a multi-channel time-frequency domain array. The noise reduction block is adapted to receive the multi-channel time-frequency domain array and provide a clean data set, wherein the clean data set is defined as a noise signal subtracted from the multi-channel time-frequency domain array. The object detection block is adapted to receive the clean dataset and to provide a bounded data set, wherein the bounded data set is defined by a bounding box associated with a portion of the multi-channel time-frequency domain array containing a signal with energy above a threshold level.
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