Annals of Geophysics, 2004 Software for the automatic scaling of critical frequency f0F2 and MUF(3000)F2 from ionograms was developed and applied to the ionograms produced by the new Advanced Ionospheric Sounder installed at the Ionospheric Observatory of Gibilmanna.
C. Scotto, M. Pezzopane
exaly +5 more sources
Applying general markup knowledge to analyze ionograms of various ionosondes [PDF]
E3S Web of Conferences, 2020 In order to improve the quality of recognition of ionograms, the use of general knowledge about the reference marking of ionograms at various points of installation of ionosondes of the same type is considered. On the basis of reference markings from two
Mochalov Vladimir, Mochalova Anastasia
doaj +2 more sources
State-of-the-Art Capability of Convolutional Neural Networks to Distinguish the Signal in the Ionosphere [PDF]
Sensors, 2022 Recovering and distinguishing different ionospheric layers and signals usually requires slow and complicated procedures. In this work, we construct and train five convolutional neural network (CNN) models: DeepLab, fully convolutional DenseNet24 (FC ...
Yu-Chi Chang +10 more
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An Automatic CADI’s Ionogram Scaling Software Tool for Large Ionograms Data Analytics [PDF]
IEEE Access, 2022 Scale the ionosonde ionograms to produce accurate readings is a professional manual scaling technique. However, there is a high demand for auto-scaling software that can manage a large number of ionograms in order to avoid the time and effort involved in
T. Venkateswara Rao +2 more
doaj +3 more sources
Recovery of Ionospheric Signals Using Fully Convolutional DenseNet and Its Challenges [PDF]
Sensors, 2021 The technique of active ionospheric sounding by ionosondes requires sophisticated methods for the recovery of experimental data on ionograms. In this work, we applied an advanced algorithm of deep learning for the identification and classification of ...
Merlin M. Mendoza +10 more
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Potentiometric Solid-Contact Ion-Selective Electrode for Determination of Thiocyanate in Human Saliva [PDF]
Sensors, 2020 A new solid-contact potentiometric ion-selective electrode for the determination of SCN− (SCN-ISE) has been described. Synthesized phosphonium derivative of calix[4]arene was used as a charged ionophore.
Marcin Urbanowicz +4 more
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A Comparative Study on Radio Frequency Interference Suppression and foF2 Scaling for Ionograms
Remote Sensing, 2023 In this paper, we compare the performances of radio frequency interference (RFI) suppression between radio frequency interference mitigation (RFIM) and frequency-domain adaptive clutter suppression (FACS) algorithms that apply to ionograms for foF2 ...
Zhao-Yu Chen +6 more
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Ionograms Trace Extraction Method Based on Multiscale Transformer Network
Remote SensingThe echo traces in the ionograms contain key information about the ionosphere. Therefore, the accurate extraction of these traces is crucial for the subsequent work.
Sijia Han, Wei Guo, Caiyun Wang
exaly +3 more sources
Climatology of Spread F over Tucumán from Massive Statistical Analysis of Autoscaled Data
Atmosphere, 2021 Automatic ionogram interpretation methods developed for real-time ionospheric monitoring can be applied in retrospective studies to analyze large quantities of data. The Autoscala software, implemented for such a purpose, includes a routine for automatic
Carlo Scotto, Dario Sabbagh
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The Prototype of a Fast Vertical Ionosonde Based on Modern Software-Defined Radio Devices
Remote Sensing, 2022 The description and test results of the prototype of a fast ionosonde for the vertical sounding of the ionosphere, which makes it possible to record ionograms once a second, are presented.
Alexei V. Shindin +5 more
doaj +1 more source