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Determination of model airplane attitudes using dynamic holographic interferometry

机译:使用动态全息干涉法确定飞机姿态模型

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We demonstrate how real-time holographic interferometry yielding two-dimensional fringes can be recorded and used to determine changes in three-dimensional attitude of a model airplane through digital image processing. A simple bench-top experiment with a model airplane as a test object is conducted to demonstrate interference fringes superposed on the image due to changes in attitudes (pitch, yaw, and roll) as well as distortion. A novel second-generation thermoplastic camera suitable for dynamic multiple reversible registration of thin-phase holograms using thermoplastic and semiconductor film on glass substrate is used for in situ recording and readout during real-time holographic interferometry. Thin-phase holograms also offer the advantage of exact image reconstruction from forward-phase conjugation.
机译:我们演示了如何实时全息干涉测量法产生二维条纹可以被记录并用于通过数字图像处理确定模型飞机的三维姿态的变化。进行了一个以飞机模型为测试对象的简单台式实验,以演示由于姿态(俯仰,偏航和横滚)变化以及扭曲而叠加在图像上的干涉条纹。一种适用于在玻璃基板上使用热塑性和半导体膜对薄相全息图进行动态多重可逆配准的新型第二代热塑性相机,用于在实时全息干涉术中进行原位记录和读出。细相全息图还具有从正相共轭进行精确图像重建的优势。

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