AM compatible digital audio broadcasting signal transmision using digitally modulated orthogonal noise-like sequences

A digital modulation technique, broadcast system, and apparatus for the spectral superposition of an analog AM signal and a novel digitally modulated signal. Multiple mutually orthogonal, continuous-valued noise-like sequences are amplitude and phase modulated. Preferably, modulation coefficients ar...

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Bibliographische Detailangaben

Hauptverfasser:	EVANS, DAVID W, HARTUP, DAVID C, GOLDSTON, DON R
Format:	Patent
Sprache:	eng
Schlagworte:	BROADCAST COMMUNICATION ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY MULTIPLEX COMMUNICATION TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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