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View Prior Art for Claim 00011

An apparatus for detecting transient signals in Doppler spectra comprising a measured signal and noise, the apparatus comprising:a radar receiver for receiving a radar signal comprising a measured signal and noise;

a Fast Fourier Transform, coupled to the radar receiver, for generating a power spectrum from the magnitude squared of the Fast Fourier Transform of the radar signal;

a histogram generator, coupled to the moment calculator, for selecting a largest signal power peak from each individual power spectrum, generating a histogram of the moments, and normalizing the histogram by its area to produce a measured PDF.