مرور دوره 44, شماره 4 بر اساس موضوع "GPS"

در حال نمایش موارد 1 - 2 از 2

Application of Wavelet Neural Networks for Improving of Ionospheric Tomography Reconstruction over Iran

Ghaffari Razin, Mir Reza؛ Voosoghi, Behzad (موسسه ژئوفیزیک دانشگاه تهرانInstitute of Geophysics, University of Tehran, 2018-12-22)

In this paper, a new method of ionospheric tomography is developed and evaluated based on the neural networks (NN). This new method is named ITNN. In this method, wavelet neural network (WNN) with particle swarm optimization ...
Kalman filter and Neural Network methods for detecting irregular variations of TEC around the time of powerful Mexico (Mw=8.2) earthquake of September 08, 2017

Akhoondzadeh Hanzaei, Mehdi (موسسه ژئوفیزیک دانشگاه تهرانInstitute of Geophysics, University of Tehran, 2018-12-22)

In 98 km SW of Tres Picos in Mexico (15.022°N, 93.899°W, 47.40 km depth) a powerful earthquake of Mw=8.2 took place at 04:49:19 UTC (LT=UTC-05:00) on September 8, 2017. In this study, using ...