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dc.contributor.author Palmer, Robert D.
dc.contributor.author Larsen, Miguel F.
dc.contributor.author Woodman Pollitt, Ronald Francisco
dc.contributor.author Fukao, Shoichiro
dc.contributor.author Yamamoto, Mamoru
dc.contributor.author Tsuda, Toshitaka
dc.contributor.author Kato, Susumu
dc.date.accessioned 2018-07-06T19:16:25Z
dc.date.available 2018-07-06T19:16:25Z
dc.date.issued 1991-03
dc.identifier.issn 1944-799X
dc.identifier.uri http://repositorio.igp.gob.pe/handle/IGP/1749
dc.description En: Radio Science, v. 26, n. 02 (March-April 1991), p. 417 - 427. es_ES
dc.description.abstract "At VHF wavelengths, aspect sensitivity may result in an apparent beam direction that is off vertical even for a nominally vertically pointing beam direction if the refractivity surfaces responsible for the scatter are tilted with respect to the horizontal plane. Middle and upper atmosphere radar measurements obtained by using the system in a standard multireceiver configuration typical for radar interferometry (RI) and spaced antenna measurements have been analyzed for evidence of such effects. The analysis is based on the linear variation of the cross-spectral phase as a function of the radial velocity in the frequency doma.Jofor the RI cross spectra. I rue-verucal velocity escimates are obtained by using the fact that the phase difference between two antennas should be equal to zero when the echoes are being received from the vertical direction. The tilt angles of the refractivity surfaces were obtained from the phase of the cross-correlation function at zero lag, and the radial velocity in that direction was determined from the cross spectra. The results indicate that the vertical velocity derived from standard Doppler analyses is actually the velocity perpendicular to the refractivity surfaces and thus can be biased by the projection of the horizontal wind along the effective pointing direction." es_ES
dc.format application/pdf es_ES
dc.language.iso eng es_ES
dc.publisher Instituto Geofísico del Perú es_ES
dc.rights info:eu-repo/semantics/restrictedAccess es_ES
dc.rights.uri info:eu-repo/semantics/restrictedAccess es_ES
dc.source Repositorio institucional - IGP es_ES
dc.subject Radar--Mediciones es_ES
dc.subject Dispersión es_ES
dc.subject Alta atmósfera es_ES
dc.subject Antenas (Electrónica) es_ES
dc.subject Efecto Doppler es_ES
dc.subject Refractividad radio atmosférica es_ES
dc.title VHF radar interferometry measurements of vertical velocity and the effect of tilted refractivity surfaces on standard doppler measurements es_ES
dc.type info:eu-repo/semantics/article es_ES
dc.subject.ocde Radar es_ES
dc.subject.ocde Medición es_ES
dc.subject.ocde Atmósfera es_ES
dc.subject.ocde Electrónica es_ES
dc.identifier.journal Radio Science es_ES
dc.description.peer-review Por pares es_ES
dc.identifier.doi 10.1029/91RS00006 es_ES

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