Advanced search
Start date
Betweenand
(Reference retrieved automatically from SciELO through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Statistical study of incoherent integration applied to simulated power spectra of radar signals backscattered from equatorial electrojet irregularities

Full text
Author(s):
Henrique Carlotto Aveiro [1] ; Clezio Marcos Denardini [2] ; Mangalathayil Ali Abdu [3] ; Schuch Nelson Jorge [4]
Total Authors: 4
Affiliation:
[1] National Institute for Space Research. Southern Regional Space Research Center - Brasil
[2] National Institute for Space Research - Brasil
[3] National Institute for Space Research - Brasil
[4] National Institute for Space Research. Southern Regional Space Research Center - Brasil
Total Affiliations: 4
Document type: Journal article
Source: Revista Brasileira de Geofísica; v. 25, p. 105-113, 2007-00-00.
Abstract

Spectral analysis of radar echoes through spectral moment estimation allows to identify the characteristics of plasma irregularities from equatorial electrojet. The curve fitting using the maximum likelihood estimator (MLE) was chosen as the technique to obtain the plasma irregularity information. The implication of applying distinct number of incoherent integration to simulated Type 1 plasma irregularity radar spectra is investigated. The response of the fitting is evaluated using the covariance matrix of the MLE. A statistical study of incoherent integration applied to equatorial electrojet plasma irregularity spectra is presented in order to determine its effects over the estimation of Doppler velocities. The optimal values of incoherent integrations in relation to the goodness of the fitting are obtained in order to better determine the Type 1 plasma irregularity characteristics. (AU)

FAPESP's process: 05/01113-7 - A conductivity model for the brazilian equatorial e-region.
Grantee:Clezio Marcos de Nardin
Support type: Research Grants - Meeting - Brazil