00536nam a22001455a 4500 0 0 0 0 RIU RIU 2012-07-27 Purchased 673.20 1 621.382 ALE 7189 2017-07-13 00:00:00 2017-02-07 1 2019-02-21 BK 0 0 0 0 RIU RIU 2012-07-27 Purchased: Pak Book Corporation 340.00 0 621.382 ALE 5441 2024-08-15 00:00:00 2 2019-02-21 BK 0 0 0 0 RIU RIU 2012-07-31 Purchased: Pak Book Corporation 727.60 0 621.382 ALE 5890 2012-07-31 00:00:00 3 2019-02-21 BK 3008 3008 9788181287168 (pbk) 9780387254814 621.382 ALE Alencar, Marcelo S. Valdemar C. Da Rocha Jr. Communication systems New Delhi Springer 2005 xii, 416 p. : ill. ; 23 cm. Digital communication Signal processing-Digital techniques Signal analysis Speech coding Amplitude modulation Propagation channels Carrier transmission FEAS BK