00687    a2200181   4500020001500000020001500015040000800030082001200038100002500050245007400075260003400149300003400183650004300217650002800260700003400288856009100322856009200413  a0387254811  a0387270973  aDLC00a621.3821 aAlencar, Marcelo S.,10aCommunication systems cMarcelo S. Alencar, Valdemar C. da Rocha, Jr.  aNew York :bSpringer,cc2005.  axii, 416 p. :bill. ;c24 cm. 0aSignal processingxDigital techniques. 0aDigital communications.1 aRocha, Valdemar C. da,d1947-423Publisher descriptionuhttp://www.loc.gov/catdir/enhancements/fy0663/2005049937-d.html423Table of contents onlyuhttp://www.loc.gov/catdir/enhancements/fy0823/2005049937-t.html