00315nam a22000977a 4500020001800000082001800018100002000036245008100056260003600137650004400173  a9781648504747  a621.382 2 BAR  aBarbudhe, V. K.  aDigital signal processing /cV. K. Barbudhe., B. S. Karmore and S. N. Zanjat  aChennai :bNotion Press,c2020.  aSignal processing -- Digital techniques