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本文叙述的研究工作是为了确定一种红外(8～14微米)景物模拟设计是否可行,该设计称为被动式热屏,它不包含任何发热元件,而是接受由幻灯机(或电影放映机)投射到它工作表面上的可见图象能量。测量数据证明,用杆形图象和0.09瓦/厘米~2的入射辐照可产生16℃的热对比度。对比度和时间响应由 Thermovision型红外成象照相机(及显示器)和磁带记录器共同测量。在将该设计作为完整的红外模拟装置的一部分付诸实际应用之前,需要解决的主要问题是要造出能耐受幻灯机所需的高辐射强度的幻灯片。
The work described in this article is to determine if an infrared (8-14 μm) scene simulation design is feasible. This design is called a passive thermal screen and does not contain any heating elements. Instead, it accepts light emitted by a projector (or cinema projector) It works on the visible energy of the image. The measurement data demonstrate that a thermal contrast of 16 ° C can be produced with rod-shaped images and incident radiation of 0.09 W / cm 2. Contrast and time response are measured together with a Thermovision Infrared Imaging Camera (and display) and a tape recorder. Before putting this design into practical use as part of a complete infrared simulation unit, the main issue to be solved was to create a slide that would withstand the high radiation intensity required for the projector.