Theoretical analysis and calculation are given in this paper for "conical scanning" in object space. Its practicability in multispectral scanner is discussed.

本文对物方“圆锥”扫描进行了理论分析和计算，并讨论了这种扫描方案在多光谱扫描仪中的适用性。

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Multispectral imaging works by scanning objects at a series of specific frequencies both within and beyond the visible spectrum.

ECONOMIST: Monitor