Distortion measurement for shipboard radar antenna by photogrammetry

摘要

Abstract. An approach based on photogrammetry has been developed for the measurement of shipboard radar antenna deformation. In the proposed approach, the images of the radar antenna with diagonal reflecting mark points are captured at a few (at least two) different orientations by the calibrated cameras. Then, the mark points in different images are detected and matched automatically with the information of reference points. At last, the optimum spatial coordinates of diagonal marks and measuri.