(1)Spectral Estimation Problem o Given:A finite record of a signal. o Determine:The distribution of signal power over frequency. signal spectral density 0+△0 兀 t=1.2 .@angular frequency in radians/(sampling interval) f frequency in cycles/(sampling interval) 2020-01-18 42020-01-18 4 (1) Spectral Estimation Problem  Given: A finite record of a signal.  Determine: The distribution of signal power over frequency.  ω = angular frequency in radians/(sampling interval)  f = frequency in cycles/(sampling interval)