Title :
Multifrequency approach to inverse scattering: the linear and quadratic models
Author :
Pierri, Rocco ; De Blasio, Francesco ; Brancaccio, Adriana
Author_Institution :
Dipt. di Ingegneria dell´´Inf., Seconda Univ. di Napoli, Aversa, Italy
Abstract :
A comparison between the linear and the quadratic approach to inverse scattering by multifrequency data is performed. The bandwidth of the scattered field is used to fix the sampling step in the considered frequency range. Numerical results are shown
Keywords :
backscatter; geophysical techniques; radar cross-sections; radar theory; remote sensing by radar; terrain mapping; bandwidth; geophysical measurement technique; inverse scattering; land surface; linear model; multifrequency approach; quadratic model; radar remote sensing; radar scattering; radar theory; sampling step; terrain mapping; Bandwidth; Dielectric losses; Electromagnetic scattering; Frequency; Image reconstruction; Integral equations; Inverse problems; Permittivity; Sampling methods; Scattering parameters;
Conference_Titel :
Geoscience and Remote Sensing Symposium, 1999. IGARSS '99 Proceedings. IEEE 1999 International
Conference_Location :
Hamburg
Print_ISBN :
0-7803-5207-6
DOI :
10.1109/IGARSS.1999.771563