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dc.contributor.author Chau Chong Shing, Jorge Luis
dc.contributor.author Hysell, David L.
dc.contributor.author Reyes, Pablo M.
dc.contributor.author Milla, Marco
dc.date.accessioned 2018-07-16T11:48:10Z
dc.date.available 2018-07-16T11:48:10Z
dc.date.issued 2004-11
dc.identifier.citation Chau, J. L., Hysell, D. L., Reyes, P. M., & Milla, M. (2004). Improved spectral observations of equatorial spread F echoes at Jicamarca using aperiodic transmitter coding.==$Journal of Atmospheric and Solar-Terrestrial Physics, 66$==(17), 1543-1548. https://doi.org/10.1016/j.jastp.2004.07.002 es_ES
dc.identifier.govdoc index-oti2018
dc.identifier.uri http://hdl.handle.net/20.500.12816/1858
dc.description.abstract We present preliminary radar results obtained with a new method of spectrum estimation of moderately overspread equatorial spread F (ESF) echoes over Jicamarca. This new method is similar to the classical pulse-to-pulse methods but with nonuniform pulse spacings, i.e., using aperiodic transmitter pulses, allowing us to avoid range and frequency aliasing, at the cost of extra clutter at some ranges. We also present different ways of dealing with the extra clutter, depending on the spectral characteristics of the clutter. We have identified two kinds of clutter: ground clutter (due to mountains and transmitter pulses) and ionospheric clutter (due to ESF and equatorial electrojet echoes). Preliminary radar results are very encouraging, and ways of improving them are proposed based on Monte Carlo simulations. Particularly, we propose alternating the phases of the uncoded aperiodic pulses using random binary phase codes to flatten the spectrum of the ionospheric clutter. The theoretical implications of the newly estimated spectra, particularly from topside echoes, are presented and discussed in a companion paper. es_ES
dc.format application/pdf es_ES
dc.language.iso eng es_ES
dc.publisher Elsevier es_ES
dc.relation.ispartof urn:issn:1364-6826
dc.rights info:eu-repo/semantics/restrictedAccess es_ES
dc.subject Equatorial ionosphere es_ES
dc.subject Spread-F es_ES
dc.subject Interferometry es_ES
dc.title Improved spectral observations of equatorial spread F echoes at Jicamarca using aperiodic transmitter coding es_ES
dc.type info:eu-repo/semantics/article es_ES
dc.subject.ocde http://purl.org/pe-repo/ocde/ford#1.05.01 es_ES
dc.identifier.journal Journal of Atmospheric and Solar-Terrestrial Physics es_ES
dc.description.peer-review Por pares es_ES
dc.identifier.doi https://doi.org/10.1016/j.jastp.2004.07.002 es_ES

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