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: This letter presents a novel middle-level selective harmonic elimination-pulse-amplitude modulation (SHE-PAM) method to calculate switching angles and to synthesize reference voltage for ...

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 ...

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.