Simulation of the Scattered Field From a Vibrating Tumor Inside the Tissue Using 3D-FDTD Method

A simulation method for calculating the scattered field from a small, vibrating breast tumor is given. The Volume Equivalence Principle together with subcell type finite difference time domain formulation is used for obtaining the scattered field from the tumor. The Doppler component of the scattere...

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Veröffentlicht in:	IEEE microwave and wireless components letters 2013-06, Vol.23 (6), p.273-275
Hauptverfasser:	Top, C. B., Gencer, N. G.
Format:	Artikel
Sprache:	eng
Schlagworte:	Biological and medical sciences Breast tissue Breast tumor detection Computerized, statistical medical data processing and models in biomedicine Displacement Doppler Doppler effect elasticity imaging Equivalence principle Finite difference methods harmonic motion imaging Mathematical analysis Medical management aid. Diagnosis aid Medical sciences microwave imaging Microwave oscillators Microwave theory and techniques Microwaves Simulation Time-domain analysis Tumors
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Beschreibung
Zusammenfassung:	A simulation method for calculating the scattered field from a small, vibrating breast tumor is given. The Volume Equivalence Principle together with subcell type finite difference time domain formulation is used for obtaining the scattered field from the tumor. The Doppler component of the scattered field is calculated using the simulation results for the undisplaced and the displaced positions of the tumor. The method is validated by comparing the results obtained on a sample problem with the results of a semi-analytical analysis.
ISSN:	1531-1309 2771-957X 1558-1764 2771-9588
DOI:	10.1109/LMWC.2013.2258003