Patent ID: 9106394
Filing Date: 2015-08-11
Classification: F42B,H04L

Abstract:
1. A detector for detecting a broadband random event from a sampled signal comprising: a data parser having an input to receive the sampled signal and a plurality of outputs, and sequentially providing one sample at one of said plurality of outputs; a plurality of filters, each filter joined to each data parser output of said plurality of outputs, each filter being designed to remove frequencies above a different predetermined frequency band of interest, and to provide a filtered signal below the frequency band of interest; an inverse fast Fourier transformer joined to each filter of said plurality of filters to receive said filtered signal from each filter, said inverse fast Fourier transformer having a plurality of outputs providing a summation of filtered signals with each signal being related to one frequency band of interest; and a logic and timestamp module joined to receive the summation of filtered signals related to one frequency of interest from said inverse fast Fourier transformer, said logic and timestamp module to determine the existence of the event from said summations of filtered signals by applying a predetermined event detection criteria, and when a detection occurs providing an event detection signal.