W.Couch, Leon creator Pearson Education India 2009 7th ed 749 p Introduction (Page-29) Signal and Spectra (Page-60) Baseband Pulse and Digital Signals (Page-150)Banpass Signaling Principles and Circuits (Page-250) AM, FM , and Digital Modulation Systems (Page-320) Random Processes and Spectral Analysis (Page-409) Performance of Communication Systems Corrupted by Noise (Page-482) Wire and Wireless Communication Systems (Page-555) Leon W.Couch, Almirah No.39and Shelf No.4 Communication Systems 621.382 9788131725436 20170207153600.0