Hellsten Y., Meter-Wave Synthetic Aperture Radar for Concealed Object Detection

Boston, London: Artech House, 2017. — 348 p. — ISBN10: 1630810258.This unique resource presents the principles of meter wave ground imaging radar focusing on foliage penetration. Scattering of VHF/UHF radar signals are presented including the basic laws of electromagnetism, homogeneous media, media discontinuities/non-flat media discontinuities, and ground reflectivity. The book introduces meter wavelength synthetic aperture radar, bandwidth, and SAR imaging principles, including moving objects and also compares collected SAR data.Meter wavelength SAR system design and processing is explored, highlighting low frequency SAR design aspects, characterization of additive noise, antenna system basics, waveforms and emission adaptation which is critical material to the advancement in sensors and signal processing for below ground imaging by the energy industry and governments worldwide. The FFBP method of processing, explicit treatment of base 2 FFBP is explained along with motion errors sensitivity and motion estimation methods. The book also explains the Bayesian change detection, covariance moving target extraction and polarimetric subsurface imaging
This book is a very important contribution to low frequency SAR, but the approach is going to have an impact on all forms of SAR, especially as we move to unusual geometries, where target properties must be carefully modeled. The in-depth, mathematical, treatment is excellent, and nicely backed up with real results. In particular, the fast Backprojection method is nicely treated. Also important is the consideration of co-existence with other systems, critical for all modern EM sensors. This book is an excellent addition to a modern SAR library.