Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/10365
AuthorsMolina, M. G.* 
Zuccheretti, E.* 
Cabrera, M. G.* 
Bianchi, C.* 
Sciacca, U.* 
Baskaradas, J. A.* 
TitleAutomatic ionospheric layers detection: Algorithms analysis
Issue Date2016
Series/Report no./57 (2016)
DOI10.1016/j.asr.2015.10.022
URIhttp://hdl.handle.net/2122/10365
Keywordsionogram
layer detection
adaptive threshold
Subject Classification01. Atmosphere::01.02. Ionosphere::01.02.06. Instruments and techniques 
AbstractVertical sounding is a widely used technique to obtain ionosphere measurements, such as an estimation of virtual height versus frequency scanning. It is performed by high frequency radar for geophysical applications called "ionospheric sounder” (or "ionosonde”). Radar detection depends mainly on targets characteristics. While several targets behavior and correspondent echo detection algorithms have been studied, a survey to address a suitable algorithm for ionospheric sounder has to be carried out. This paper is focused on automatic echo detection algorithms implemented in particular for an ionospheric sounder, target specific characteristics were studied as well. Adaptive threshold detection algorithms are proposed, compared to the current implemented algorithm, and tested using actual data obtained from the Advanced Ionospheric Sounder (AIS-INGV) at Rome Ionospheric Observatory. Different cases of study have been selected according typical ionospheric and detection conditions.
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