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A new approach to the GeoSTAR image inversion is presented below which solves several practical problems which are encountered with large interferometer arrays. The approach is a variation of the G-matrix solution that uses the measured spatial response of the array—e.g. as measured on the antenna range—as the basis for image synthesis. But rather than attempting inversions of the entire array—a process...
A new geometry for synthetic aperture radiometers is presented which increases the distance between adjacent elements in the array without changing the visibility sample density in the plane. This provides room for higher elemental antenna gain, which improves both the overall system sensitivity and alias rejection in the synthesized image—both critical requirements for the Earth observing application...
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