Ringy aperture

英 美
  • 环形孔径
  • aperture n.孔;孔径;光圈;缝隙
  • ringy adj.环状的;好斗的
    1. In this paper, Annular aperture cone glass shearing laser speckle photography used for measuring the derivatives of displacements is proposed for the first time.
      研制了环形孔径锥镜剪切相机,并利用它进行激光散斑照相,测量物体的位移导数场。