Compressive and Adaptive Millimeter-wave SAR
Abstract
We apply adaptive sensing techniques to the problem of locating sparse metallic scatterers using high-resolution, frequency modulated continuous wave W-band RADAR. Using a single detector, a frequency stepped source, and a lateral translation stage, inverse synthetic aperture RADAR reconstruction techniques are used to search for one or two wire scatterers within a specified range, while an adaptive algorithm determined successive sampling locations. The two-dimensional location of each scatterer is thereby identified with sub-wavelength accuracy in as few as 1/4 the number of lateral steps required for a simple raster scan. The implications of applying this approach to more complex scattering geometries are explored in light of the various assumptions made.
Keywords
Cite
@article{arxiv.1402.1466,
title = {Compressive and Adaptive Millimeter-wave SAR},
author = {Alex Mrozack and Martin Heimbeck and Daniel L. Marks and Jonathan Richard and Henry O. Everitt and David J. Brady},
journal= {arXiv preprint arXiv:1402.1466},
year = {2014}
}