Geodesic
Increase of the Height Resolution of Pulse Ionosonde at Sounding by Coherent Pulse Signals
Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki, Kazanskii Gosudarstvennyi Universitet. Uchenye Zapiski. Seriya Fiziko-Matematichaskie Nauki, Tome 150 (2008) no. 3, pp. 5-12

Voir la notice du chapitre de livre provenant de la source Math-Net.Ru

The technique of maximum likelihood estimator of a group delay is proposed at the multifrequency sounding, allowing to increase the height resolution (down to 200 m) with the help of equipment of a usual ionosonde recording a phase. It is important that thus there is no necessity for any significant change to receive-registering equipment.
Keywords: pulse vertical ionospheric sounding, virtual height of reflection, height accuracy, maximum-likelihood method. 
@article{UZKU_2008_150_3_a0,
     author = {A. D. Akchurin and V. V. Bochkarev},
     title = {Increase of the {Height} {Resolution} of {Pulse} {Ionosonde} at {Sounding} by {Coherent} {Pulse} {Signals}},
     journal = {U\v{c}\"enye zapiski Kazanskogo universiteta. Seri\^a Fiziko-matemati\v{c}eskie nauki},
     pages = {5--12},
     publisher = {mathdoc},
     volume = {150},
     number = {3},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZKU_2008_150_3_a0/}
}
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A. D. Akchurin; V. V. Bochkarev. Increase of the Height Resolution of Pulse Ionosonde at Sounding by Coherent Pulse Signals. Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki, Kazanskii Gosudarstvennyi Universitet. Uchenye Zapiski. Seriya Fiziko-Matematichaskie Nauki, Tome 150 (2008) no. 3, pp. 5-12. http://geodesic.mathdoc.fr/item/UZKU_2008_150_3_a0/