Title :
A ray tracing technique for radio occultation
Author :
Ming-Xian Li ; Jean-Fu Kiang
Author_Institution :
Grad. Inst. of Commun. Eng., Nat. Taiwan Univ., Taipei, Taiwan
Abstract :
A tracing technique is applied to a spherical symmetric refractive profile to simulate the Doppler shift. The bending angle and impact parameter can be solved from the Doppler shift based on the Bouguer´s law. An algorithm is developed to derive the refractive index below the height of the low-earth-orbit satellite involved in a radio occultation scheme. The error of restored refractivity profile is below 2.5%.
Keywords :
Doppler shift; geophysical techniques; ray tracing; refractive index; Bouguer law; Doppler shift; bending angle; impact parameter; low-earth-orbit satellite; radio occultation scheme; ray tracing technique; refractive index; restored refractivity profile; spherical symmetric refractive profile; Doppler shift; Global Positioning System; Low earth orbit satellites; Refractive index; Satellite broadcasting;
Conference_Titel :
Electromagnetics, Applications and Student Innovation (iWEM), 2011 IEEE International Workshop on
Conference_Location :
Taipei
Print_ISBN :
978-1-61284-462-6
Electronic_ISBN :
978-1-61284-461-9
DOI :
10.1109/iWEM.2011.6021487
