Matched Filter
nscat: Number of point scatterers within the receiving window (unitless), rrec: Receiving window size in meters, taup: Uncompressed pulse width in seconds, b: Linear frequency modulation bandwidth in Hz, scat_range: Relative range of scatterers within the receiving window in meters, scat_rcs: Vector of scatterers' Radar Cross Section (RCS) in square meters, win: 0 = no window; 1 = Hamming window; 2 = Kaiser window with parameter pi; 3 = Chebyshev sidelobe at -60dB, y: Normalized compressed output