[P-EM12] Study of coupling processes in solar-terrestrial system

[PEM12-05] Development of 3D wind velocity field estimation technique using radar interferometry inversion

*Ryosuke Tamura¹, Nishimura Koji¹, Hiroyuki Hashiguchi¹ (1.Research Institute for Sustainable Humanosphere Kyoto University)

Keywords:atmospheric radar, radar interferometry inversion

For measuring a 3D velocity field, we need to develop an inversion algorithm based on a new observation model. In considering a new model, we referred to the Spectral Observation Theory (SOT). SOT is the theory that links the gap between radio scattering by the atmospheric turbulence and received signal. By extending SOT to radar interferometry, we developed a 3D wind field measurement technique. To confirm the accuracy of the method, we developed 3D scattering simulation. In the simulation, the radar waves are scattered by large number of moving point targets that flow with the background wind and finally received radar antennas. By the numerical experiment, the accuracy of our proposed model was better than conventional. Figure shows a preliminary result in which the estimation from our method is comparable to that from the DBS.