Large scale Maxwell's solver and its application

Lead Research Organisation: University of Manchester
Department Name: Electrical and Electronic Engineering


The aim of this proposal is algorithm development for the analysis of UltraWideBand ( UWB) signals propagating in complex, geometrically fine objects and cancer localisation using UWB signals. The outcome of this project will be a major breakthrough for computation in electromagnetics for problems which need to simulate transient wave propagation in electrically large but fine-detailed and dispersive structures.
The focus of this proposal is on enhanced finite difference time domain methods. These offer the capabilities of analysing arbitrarily complex, wide-band problems. The main difficulties in the use of the FDTD method are long execution time and high memory requirements when the simulation contains geometrical features that are electrically small relative to a large physical space. The project improves the computational efficiency from the viewpoint of the algorithm, coding and parallelisation. The practical application of the Maxwell's solver will be in the area of microwave imaging.


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Studentship Projects

Project Reference Relationship Related To Start End Student Name
EP/N509565/1 01/10/2016 30/09/2021
1830967 Studentship EP/N509565/1 02/09/2016 31/03/2020 Loukas Xanthos
Description 1. A novel algorithm for ultra-wideband through-the-wall radar imaging has been developed. This radar imaging approach is able to detect multiple moving targets even in the case where they overlap in the radar's range and cross-range direction. A full journal manuscript on this topic has been submitted to IEEE Transactions on Geoscience and Remote Sensing and is currently undergoing review. A relevant data set has also been submitted.
2. A method for wavelet-domain compensation of frequency dispersion for electromagnetic time-reversal imaging has been developed. Currently, a full journal manuscript on this topic is being written and will be submitted to IEEE Transactions on Antennas and Propagation as soon as possible. Any relevant data sets will also be submitted as soon as possible.
Exploitation Route In the future, the through-the-wall radar imaging method might be extended by researchers in the radar imaging sector to achieve multiple moving target tracking. The frequency dispersion compensation filter can find a broad range of applications such as radars, telecommunications and biomedical applications. Researchers may experiment with this frequency dispersion compensation approach on other types of signals, e.g. acoustic or visible light signals.
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