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Abstract
The equations describing array sensitivity (Chapter 6) assume that the image is very large and illuminates many detector elements. Equivalently, the object contains only very low spatial frequencies and the system MTF is essentially unity over these spatial frequencies. The image consists of many different frequencies, each of which has different amplitude (frequency spectrum). The optics and detector MTFs modify the spectral amplitudes. These amplitudes may also be affected by electronic filter MTFs, although these filters are typically designed to pass the entire image frequency spectrum without attenuation.
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CHAPTER 10
65 PAGES


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