Alencar, Marcelo S., <br/><br/>
Communication systems  
Marcelo S. Alencar, Valdemar C. da Rocha, Jr. 
 - New York :  Springer,  c2005. 
 - xii, 416 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0387254811 0387270973 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Signal processing--Digital techniques.<br/>Digital communications.
<br/><br/><label>Dewey Class. No.: </label>621.382