Publication: Research - peer-review › Article in proceedings – Annual report year: 2012
The use of multiple frequencies in a nonlinear microwave algorithm is considered. Using multiple frequencies allows for obtaining the improved resolution available at the higher frequencies while retaining the regularizing effects of the lower frequencies. However, a number of different challenges arise when using data from multiple frequencies for imaging of biological targets. In this paper, the performance of a multi-frequency algorithm, in which measurement data from several different frequencies are used at once, is compared with a stepped-frequency algorithm, in which images reconstructed at lower frequencies are used as starting guesses for reconstructions at higher frequencies. The performance is illustrated using simulated 2-D data and data obtained with the 3-D DTU microwave imaging system.
|Title of host publication||2012 6th European Conference on Antennas and Propagation|
|Pages||1776 - 1779|
|State||Published - 2012|
|Event||2012 6th European Conference on Antennas and Propagation - Prague, Czech Republic|
|Conference||2012 6th European Conference on Antennas and Propagation|
|Period||26/03/2012 → 30/03/2012|
|Citations||Web of Science® Times Cited: No match on DOI|
- Image reconstruction, Microwave antennas, Microwave imaging , Microwave measurements, Microwave theory and techniques , Permittivity
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