active microwave imaging
An active microwave sensor for near field imaging
... for active microwave imaging as a diagnostic tool for breast cancer detection has been strengthened in recent years due to its improved tissue characterization capability as compared with existing ...
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A Novel Time Reversal Based Microwave Imaging System
... A new prototype for an active microwave imaging system is presented in this paper. The key feature of the system is the utilization of a tunable reflectarray antenna to scan the region of interest ...
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Microwave Imaging Based on Wideband Range Profiles
... in microwave imaging involves acquisition of the information (size, shape, location, dielectric properties, other media properties, ...wave. Active microwave imaging has attracted ...
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Design and characterisation of wideband antennas for microwave imaging applications
... In the practice of MI, many antennas are designed at narrowband frequency. The drawback of narrowband frequency in imaging is that it will lead to low quality of image. Therefore, wideband antenna is required to ...
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Design of a Microwave Time Reversal Mirror for Imaging Applications
... Based on the crucial factors of the TRA discussed above, a modified slot-edged antipodal Vivaldi (SE APV) antenna is chosen as the transmitting antenna. Introduced by Gibson in 1979 [12], the Vivaldi antenna serves as a ...
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FMCW sparse array imaging and restoration for microwave gauging
... a microwave gauging system benefits from the concept of imaging ...FMCW imaging system with a lim- ited number of antennas can only be achieved by apply- ing a sparse antenna ...the imaging ...
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Comparison of Radar and Thermoacoustic Technique in Microwave Breast Imaging
... For future work, we note that the main practical challenge with the MITA technique is to achieve uniform field distribution. This uniformity is desired in order to justify the assumption that the SAR and the conductivity ...
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A Feasibility Study on Microwave Imaging for Brain Stroke Monitoring
... an imaging approach based on the linear sampling method (LSM) [14], as this method is able to provide an image of the shape of an unknown target in a reliable and not computationally demanding ...
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Application of Mdl Criterion for Microwave Imaging by MUSIC Algorithm
... Microwave imaging is a new technology to image interior of ...approaches, microwave tomography and time reversal (TR), have been proposed to solve such an inverse ...problem. Microwave ...
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Development of Microwave Imaging Diagnostics on the HL-2A Tokamak
... x-ray imaging camera, phase contrast imaging (PCI) and different probe ...Recently, microwave imaging diagnostics, ...emission imaging (ECEI) and microwave imaging ...
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Weighted Centroid Method for Breast Tumor Localization Using an UWB Radar
... Abstract—This paper studies the potential of ultra-wideband (UWB) microwave imaging for detection and localization of breast cancer in its early stages. A method is proposed for locating tumors which is ...
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Microwave imaging for neoadjuvant chemotherapy monitoring: initial clinical experience
... For each TM session, patients lie prone on a padded table with one breast pendant through an aperture into a coupling liquid. An array of monopole antennas with fixed radial positions on a 15.2 cm diameter circle are ...
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Breast Tumor Detection System Based on a Compact UWB Antenna Design
... the pole relaxation constant, and ω the angular frequency. In this paper, the most representative breast model developed by the Computational Electromagnetic Group of Wisconsin is considered [10]. The system is simulated ...
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Poles Isolation via ESPRIT for Ultra-Wide Band Breast Cancer Imaging
... A problem in the UWB imaging of breast cancer is the strong backscattering from the breast skin and other reflectors from inside and outside the breast. These backscatters have a negative effect on the reconstructed ...
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Seismogeodetic Imaging of Active Crustal Faulting
... Continental strike-slip faults are mostly seismically active above 10 to 15 km depth, and exhibit predominantly aseismic behavior at larger depths. Due to the limited sensitivity of surface monitoring systems, the ...
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Doppler imaging of active young stars
... Phase gaps in the data set used for Doppler imaging also introduce problems in the analysis process. Petit et al. (2002) specifically addresses this issue of phase coverage and overlap. In order to reconstruct a ...
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Doppler imaging of active young stars
... set ................................................................................................................... 154 6.5 Rectangular Doppler Imaging Spot Occupancy Map of LQ Lup data set ..... 155 6.6 Plot ...
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Microwave Head Imaging for Stroke Detection
... Algorithm 1 gives the pseudo-code for our confocal imaging algorithm. Here we implement Fermat’s principle by constructing all possible propagation paths from the antenna to the boundary points, and then from the ...
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Microwave Radiometer Analysis for Imaging and Vehicular Systems
... of microwave flame diagnosis with transferring vehicles have been ...This imaging of flame locations within an auto using a microwave radiometer, mounted around a new rail or possibly a street, is ...
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Recent Progress on Microwave Imaging Technology and New Physics Results
... Finally, imaging both density and temperature fluc- tuation simultaneously and with capabilities analogous to those demonstrated by ECEI is of undisputed value in diag- nosing edge regions of tokamak ...that ...
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