Back to Search
Start Over
Application of time reversal to imaging electrical properties of inhomogeneous cylindrical objects
- Source :
- The 8th European Conference on Antennas and Propagation (EuCAP 2014).
- Publication Year :
- 2014
- Publisher :
- IEEE, 2014.
-
Abstract
- A time-domain inverse scattering approach using time-reversed fields for reconstructing electrical parameters of cylindrical objects has been proposed in a previous work. The approach does not require the explicit knowledge of incident fields illuminating the object. The cost functional represented in terms of the time-reversed fields was minimized by a genetic algorithm (GA). In this paper, we propose a gradient-based minimization for reconstruction of an inhomogeneous object for which GA can not be applied due to computational complexity. The time-reversed fields are calculated by time-reversing the equivalent current sources determined by the total fields recorded on a measurement line. Numerical simulations are carried out to show the effectiveness of the proposed method.<br />8th European Conference on Antennas and Propagation, EuCAP 2014; The Hague; Netherlands; 6 April 2014 through 11 April 2014<br />Antennas and Propagation (EuCAP), 2014 8th European Conference on, pp.1334-1338; 2014
- Subjects :
- Current (mathematics)
Computational complexity theory
business.industry
Mathematical analysis
inverse scattering
Object (computer science)
Microwave imaging
Optics
Inverse scattering problem
Line (geometry)
Genetic algorithm
microwave imaging
Minification
time-reversed field
business
Mathematics
Subjects
Details
- Database :
- OpenAIRE
- Journal :
- The 8th European Conference on Antennas and Propagation (EuCAP 2014)
- Accession number :
- edsair.doi.dedup.....5a05895c978e17fc66b32e8e360456a5
- Full Text :
- https://doi.org/10.1109/eucap.2014.6902023