Title :
Fast multipole method for scattering from an arbitrary perfectly conducting target above or below a lossy half space
Author :
Geng, Norbert ; Sullivan, Anders ; Carin, Lawrence
Author_Institution :
Inst. fur Hochstfrequenztech. und Elektron., Karlsruhe Univ., Germany
Abstract :
The fast multipole method (FMM) was originally developed for perfectly electric conducting (PEC) targets in free space. Here, the FMM is extended to the scattering from a PEC target above or below a lossy half space. The “near” terms are handled via a method-of-moments (MoM) analysis, wherein the half-space Green´s function is evaluated through application of the method of complex images. The “far” interactions utilize an approximation to the Green´s function dyadic. The algorithm is validated through comparison with rigorous MoM results
Keywords :
Green´s function methods; absorbing media; buried object detection; conducting bodies; electromagnetic wave scattering; method of moments; radar detection; Green´s function dyadic; MoM analysis; PEC target; arbitrary perfectly conducting target; complex images; far interactions; fast multipole method; half-space Green´s function; lossy half space; method-of-moments; perfectly electric conducting targets; scattering; Electromagnetic modeling; Electromagnetic scattering; Image analysis; Matrix decomposition; Message-oriented middleware; Moment methods; Radar scattering; Random access memory; Read-write memory; Sparse matrices;
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.1999.772109
