@incollection{, 81CF66206A2650CBE5AA2DECD6A0D264 , author={{RahulAgarwal} and {AnshooSarswat} and {HitendraSingh} and {RBSETC,Agra}}, journal={{Global Journal of Researches in Engineering}}, journal={{GJRE}}2249-45960975-586110.34257/gjre, address={Cambridge, United States}, publisher={Global Journals Organisation}1552128 } @book{b0, , title={{Discrete-Time Signal Processing}} , editor={ RonaldWSchafer } , publisher={Prentice-Hall Signal Processing Series} , note={2nd Edition} } @book{b1, , title={{Modern Spectral Estimation: Theory and Application/Book and Disk (Prentice-Hall signal processing series}} , editor={Steven M. Kay} }