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This paper investigates two methods for GMTI using three-channel SAR-ATI data. Motivated by previous results in the two-channel case, a deterministic method for finding an Eigendecomposition of the SAR-ATI sample covariance matrix is presented. The CFAR detection capability of each of the eight parameters of the Eigendecomposition is evaluated using measured three-channel airborne data and compared...
This paper discusses the detection of low scatter cross-section maritime targets in a high clutter background using SAR multi-channel along track interferometry. Statistical arguments are presented based on the covariance matrix which enable the determination of the channel weights required to achieve maximum attenuation of false alarms produced by breaking waves. An example is shown of a target (a...
An elementary analysis of X-band SAR images of the flashes from the rotating blades of a hovering helicopter is presented. The analysis is supplemented by simulations based on a physical optics approximation. It is shown that the SAR image consists of a set of ghost images. The ghosts have the form of a dasiacombpsila of periodically repeated point spread functions. Each one corresponds to the point...
A brief review is presented of published work on detection and imaging techniques based on matrix group theory for the scalar non-polarimetric two channel along track interferometer and the vector polarimetric two channel across track interferometer. The relevance to ATI of the vector theory for the across track interferometer is discussed as is the problem of extending the theory to the case of the...
A statistical analysis is presented of the process whereby weighted complex-valued Multichannel ATI (MATI) images of the sea surface are linearly combined so as to maximise or minimise the visibility of selected image features in the resulting filtered image. It is assumed that the modulated features are a result of local fluctuations in mean intensity which can be described statistically by a compound...
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