Alencar, Marcelo S <br/><br/>
Communication systems 

 - New Delhi  Springer  2005 
 - xii, 416p. ;  
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>978818128716 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Amplitude modulation<br/>Communication systems<br/>Electronic and Communication<br/>Mobile cellular telephone<br/>Signal analysis speech coding