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An algorithm for the removal of radio frequency interference in ionospheric backscatter sounding
Author(s) -
Earl G. F.
Publication year - 1991
Publication title -
radio science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.371
H-Index - 84
eISSN - 1944-799X
pISSN - 0048-6604
DOI - 10.1029/90rs02758
Subject(s) - backscatter (email) , depth sounding , interference (communication) , computer science , remote sensing , wideband , ionosphere , base station , algorithm , ionogram , atmospheric sounding , electronic engineering , telecommunications , geology , geophysics , physics , engineering , wireless , channel (broadcasting) , electron density , oceanography , quantum mechanics , electron
In common with all wideband ionospheric sounding systems the backscatter technique is susceptible to contamination by radio frequency interference. The eradication of such interference is imperative in systems required to automatically interrogate the backscatter sounder data base. This paper presents the results of the development of an algorithm designed for that purpose. The philosophy guiding the design is presented, together with the results of a computer simulation designed to simultaneously validate the proposed approach and derive an appropriate threshold. Details of the implementation are provided together with data demonstrating the effectiveness. The algorithm is capable of being implemented in any backscatter sounder system featuring an adequate digital signal processing capability.