00682nam a22001937a 450000500170000002000250001708200170004210000190005924500660007825000120014426000300015630000280018650400640021465000280027865000310030694200070033795201270034499900170047120260430052407.0  a9788178083285 (pbk.)00a621.382bCOU1 aCouch, Leon W.10aDigital and analog communication systems /cLeon W. Couch II.  a6th ed.  aDelhi. :bPearson,c2005.  axxvii, 774 p. :bill. ;  aIncludes bibliographical references (p. 710-722) and index. 0aDigital communications. 0aTelecommunication systems.  cBK  001040708ESaLCbLCd2026-04-27i27-04-2026-MNKl0o621.382 COUpLC-44068r2026-04-30 05:24:58tES-1125w2026-04-30yBK  c54510d54510