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Fast Computation of Born-Approximated Multistatic Scattering.
- Source :
-
IEEE Transactions on Ultrasonics Ferroelectrics & Frequency Control . Dec2021, Vol. 68 Issue 12, p3637-3645. 9p. - Publication Year :
- 2021
-
Abstract
- An algorithm for the fast computation of multistatic scattering patterns, produced by low-contrast inhomogeneous volumetric objects, which satisfy the Born approximation assumption, is presented. The algorithm relies on hierarchical interpolation and aggregation of optimally sampled phase-compensated partial contributions to the scattered field integral. The Born approximation enables the efficient simultaneous computation for ranges of incident and observation angles, as well as excitation frequencies. This leads to a reduction in the asymptotic computational complexity by several polynomial orders of the problem’s acoustical size. The algorithm’s error controllability and favorable computation time are demonstrated via representative examples. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 08853010
- Volume :
- 68
- Issue :
- 12
- Database :
- Academic Search Index
- Journal :
- IEEE Transactions on Ultrasonics Ferroelectrics & Frequency Control
- Publication Type :
- Academic Journal
- Accession number :
- 153854353
- Full Text :
- https://doi.org/10.1109/TUFFC.2021.3096064