Combining Neural Network with Genetic Algorithm for prediction of S4 Parameter using GPS measurement

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Atabati Ali Reza; Alizadeh Mohammad Mahdi

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Paper Information

Journal: ENGINEERING JOURNAL OF GEOSPATIAL INFORMATION TECHNOLOGY Year:2019 | Volume:7 | Issue:3 Page(s): 57-77

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Title

Combining Neural Network with Genetic Algorithm for prediction of S4 Parameter using GPS measurement

Author(s)

Atabati Ali Reza | Alizadeh Mohammad Mahdi | Issue Writer Certificate

Keywords

Neural NetworksQ2

Genetic AlgorithmQ2

Ionospheric ScintillationQ1

Abstract

The ionospheric plasma bubbles cause unpredictable changes in the ionospheric electron density. These variations in the ionospheric layer can cause a phenomenon known as the Ionospheric Scintillation. Ionospheric Scintillation could affect the phase and amplitude of the radio signals traveling through this medium. This phenomenon occurs frequently around the magnetic equator and in low latitudes, mid as well as high latitude regions. Ionospheric Scintillation is a very complex phenomenon to be modeled. Patterns of Ionospheric Scintillation occurrence are depended on spatial and temporal ionospheric variabilities. Neural Network (NN) is a data-dependent method, that its performance improves with the sample size. According to the advantages of NN for large datasets and noisy data, the NN model has been implemented for predicting the occurrences of amplitude scintillations. In this paper, the GA technique was considered to obtain primary weights in the NN model in order to identify appropriate S4 values for GUAM GPS station in Guam country (latitude: 144. 8683, Longitude: 13. 5893). The modeling was carried out for the whole month of June 2017, while this model along with ionospheric physical data was used for predicting Ionospheric Scintillation at the first day of July 2017, the day after the modeling. The designed model has the ability to predict daily Ionospheric Scintillation with the accuracy of about 78%.

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APA: Copy

Atabati, Ali Reza, & Alizadeh, Mohammad Mahdi. (2019). Combining Neural Network with Genetic Algorithm for prediction of S4 Parameter using GPS measurement. ENGINEERING JOURNAL OF GEOSPATIAL INFORMATION TECHNOLOGY, 7(3 ), 57-77. SID. https://sid.ir/paper/230017/en

Vancouver: Copy

Atabati Ali Reza, Alizadeh Mohammad Mahdi. Combining Neural Network with Genetic Algorithm for prediction of S4 Parameter using GPS measurement. ENGINEERING JOURNAL OF GEOSPATIAL INFORMATION TECHNOLOGY[Internet]. 2019;7(3 ):57-77. Available from: https://sid.ir/paper/230017/en

IEEE: Copy

Ali Reza Atabati, and Mohammad Mahdi Alizadeh, “Combining Neural Network with Genetic Algorithm for prediction of S4 Parameter using GPS measurement,” ENGINEERING JOURNAL OF GEOSPATIAL INFORMATION TECHNOLOGY, vol. 7, no. 3 , pp. 57–77, 2019, [Online]. Available: https://sid.ir/paper/230017/en

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