机译:A New Artificial Neural Network-Based Global Three-Dimensional Ionospheric Model (ANNIM-3D) Using Long-Term Ionospheric Observations: Preliminary Results
Indian Inst Geomagnetism;
Lowell Digisonde Int;
Univ Massachusetts;
ELECTRON-DENSITY PROFILES; CRITICAL FREQUENCY; EMPIRICAL-MODEL; TOPSIDE; PLASMASPHERE; ASYMMETRY; FOF2; THERMOSPHERE; IONOSONDE; ALGORITHM;