00470nam a22001697a 4500020001800000022001900018082001500037100002400052245002600076260003400102300000800136650003800144650002200182650003000204650001800234856004800252  a9781259006852  a978-1259006852  a621.382RAO  aRao, P. Ramakrishna  aCommunication Systems  aNew DelhibMc Graw Hillc2013  a951  aSignal theory (Telecommunication)  aTelecommunication  aTelecommunication systems  aSystem theory  uhttp://10.10.170.122:8080/browse/book/24931