Autocorrelation and spectral density functions for ASK, PSK, and FSK with non-coherent or coherent split-phase code modulation

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dc.contributor.advisorShehadah, Nazmi M.
dc.contributor.committeeMemberSchneider, William P.
dc.contributor.committeeMemberBargainer, James D., Jr.
dc.creatorVan Cleave, Robert A., Jr.
dc.date.accessioned2022-06-28T21:46:18Z
dc.date.available2022-06-28T21:46:18Z
dc.date.issued1969
dc.description.abstractPulse code modulation (PCM) involves transforming analog signals into a series of digitally coded pulses. The binary code is a widely used special case of the coding theoretically possible in a PCM system. One of the code structures used in binary coding is referred to as "bi-phase-level" or "split-phase". A technique used in generating a split-phase code utilizes the binary states "10" to represent a logic one and the binary states "01" to represent a logic zero. In a typical telemetry system the split-phase code is used to modulate the amplitude, phase, or frequency of a carrier. This thesis provides an analytical determination of the ensemble-average autocorrelation and the power spectral density of a carrier which is amplitude-shift-keyed (ASK), phase-shift-keyed (PSK), or frequency-shift-keyed (FSK) by a split-phase code. These transmission characteristics are first obtained for "non-coherent" modulation of the carrier by the split-phase code, and then obtained for "coherent" modulation of the carrier by the split-phase code. It is then shown that the time average of the autocorrelation and spectral density functions for the coherent cases reduce to the corresponding autocorrelation and spectral density functions for the non-coherent cases.
dc.description.departmentElectrical and Computer Engineering, Department of
dc.format.digitalOriginreformatted digital
dc.format.mimetypeapplication/pdf
dc.identifier.other13868854
dc.identifier.urihttps://hdl.handle.net/10657/10143
dc.language.isoen
dc.rightsThis item is protected by copyright but is made available here under a claim of fair use (17 U.S.C. Section 107) for non-profit research and educational purposes. Users of this work assume the responsibility for determining copyright status prior to reusing, publishing, or reproducing this item for purposes other than what is allowed by fair use or other copyright exemptions. Any reuse of this item in excess of fair use or other copyright exemptions requires express permission of the copyright holder.
dc.titleAutocorrelation and spectral density functions for ASK, PSK, and FSK with non-coherent or coherent split-phase code modulation
dc.type.dcmiText
dc.type.genreThesis
thesis.degree.collegeCollege of Engineering
thesis.degree.departmentElectrical Engineering, Department of
thesis.degree.disciplineElectrical Engineering
thesis.degree.grantorUniversity of Houston
thesis.degree.levelMasters
thesis.degree.nameMaster of Science

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