Proceedings PaperMultispectral very wide-view sensing concept
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Major features and system-level design considerations for 3-D array apertures with hemispherical coverage are presented. First, an ideal 3-D dome-like hemispherical aperture is simulated using physical optics. Second, 3-D smooth aperture shape is approximated by several planar facets each presenting identical 2-D aperture arrays. Optimal division of hemispherical field of view into sectors of regards with similar maximum angular scan extent is discussed along with optimization of major electrical features of planar array facets, their number and total component count.