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Microwave imaging had been around for some time in the research field of imaging technologies. Most researchers have focused on breast imaging and a few others on brain imaging. This article presents a review, a part feasibility study and proves of concept into the possibility of imaging the lungs in similar manner as the breast and brain. We present reviews of usage of microwave energy in various...
In this paper, polymer magneto-dielectric (PDMS-Fe3O4) is proposed as a new substrate for multilayer microstrip antenna array for enhancement of bandwidth, gain, and overall efficiency. Nanoparticles of iron oxide (Fe3O4) have been composited with polymer matrix of polydimethylsiloxane (PDMS) to build up the polymer magneto-dielectric layer (PDMS-Fe3O4). Polymer magneto-dielectric (PDMS-Fe3O4) layer...
This article presents the simulations performed in CST MWS in a preliminary work for lung tumour detection in a thorax model using scattering parameters. The scattering parameters as functions of frequency were converted to functions of time. The time domain scattering parameters were achieved by applying the ifft function and a subsequent smoothing was performed on the time domain data. Detection...
Scattering parameters from a stratified model of the human thorax illuminated by ultra wideband pulses from an antenna is processed in an attempt to detect tumor. Difference of the scattering parameters recorded from the thorax model in the presence and absence of tumor was processed to generate an image showing the presence of a strong ‘scatterer’ which correspond to the tumor. Tumor size of 10mm...
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