A novel modulation format is proposed for time-hopping pulse position modulation (TH-PPM) ultra wideband (UWB) communications, where an orthogonal set of user-specific TH codes is employed for M-ary ...

Abstract: Differential pulse code modulation (DPCM) and predictive quantizing are two names for a technique used to encode analog signals into digital pulses suitable for transmission over binary ...

Dedra provides a reluctant tip to check specific signals—"Old frequencies, pulse codes, my best guess"—before offering, "It's probably too late." It's not too late, but how is Dedra going to ...

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13 The BBC Riverside Television Studios: The Architectural Aspects July 1957 14 The BBC Riverside Television Studios: Some Aspects of Technical Planning and Equipment October 1957 ...

Department of Chemistry, Queen Mary University of London, Mile End Road, E1 4NSLondon, U.K.