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Fast Jacobian Matri...
Fast Jacobian Matrix Formulation for Microwave Tomography Applications
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- Hosseinzadegan, Samar, 1987 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Geimer, Shireen D. (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Fhager, Andreas, 1976 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Persson, Mikael, 1959 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Meaney, Paul M, 1960 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- 2021
- 2021
- Engelska.
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Ingår i: 15th European Conference on Antennas and Propagation, EuCAP 2021.
- Relaterad länk:
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https://doi.org/10.2...
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https://research.cha...
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Abstract
Ämnesord
Stäng
- We have developed a new technique for computing the Jacobian matrix for microwave tomography systems which is orders of magnitude faster than conventional approaches. It exploits concepts from the nodal adjoint method and previous observations that rows of the matrix can be plotted over the imaging domain to produce sensitivity maps associated with specific transmit/receive antenna pairs. It also requires that the forward solutions and parameter reconstruction distributions be represented on the same grid or mesh. In this way, it computes full rows of the matrix simultaneously via a simple vector-vector multiplication of the forward solutions associated with sources broadcasting from both the designated transmit and receive antennas times a scalar constant. The time savings is substantial and is viable for both 2D and 3D applications.
Ämnesord
- NATURVETENSKAP -- Matematik -- Beräkningsmatematik (hsv//swe)
- NATURAL SCIENCES -- Mathematics -- Computational Mathematics (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Signalbehandling (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Signal Processing (hsv//eng)
- NATURVETENSKAP -- Data- och informationsvetenskap -- Datavetenskap (hsv//swe)
- NATURAL SCIENCES -- Computer and Information Sciences -- Computer Sciences (hsv//eng)
Nyckelord
- Jacobian
- adjoint method
- tomography
Publikations- och innehållstyp
- kon (ämneskategori)
- ref (ämneskategori)