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研究了热象仪中一些常用的扫描方案即:在平行光路和会聚光束中用平面镜和棱镜作扫描和用转动光楔作扫描的光学特性。
Some commonly used scanning schemes in the thermal imager are studied: the optical characteristics of a parallel light path and a convergent beam, scanned with a plane mirror and a prism, and scanned with a rotating wedge.