Improved spatial and temporal characteristics of ionospheric irregularities and polar mesospheric summer echoes using coherent MIMO and aperture synthesis radar imaging

Jorge Luis Chau, Leibniz Institute of Atmospheric Physics, Kühlungsborn, Germany, Juan Miguel Urco, Leibniz Institute of Atmospheric Physics, Radar Remote Sensing, Kühlungsborn, Germany, Marco A Milla, Instituto Geofísico del Perú, Jicamarca Radio Observatory, Lima, Peru and Juha Vierinen, University of Tromsø, Tromsø, Norway