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本专利提供一种热成像调制盘,这种调制盘的框架(42)上有一个敞开的窗口(47)和一个被遮盖的窗口(48)。被遮盖的窗口(48)上涂有一层材料,它能部分地阻挡来自场景的一部分经过选择的热辐射,并随机地散射透过该窗
This patent provides a thermal imaging disk having an open window (47) and a covered window (48) in the frame (42). The covered window (48) is coated with a layer of material that partially blocks selected portions of the radiant heat from the scene and randomly diffuses through the window