Fig. 1. Experimental structure for static-mode down-looking SAIL imaging.

Fig. 2. The phase difference in the inner optical fields. (a) Orthogonal direction of travel. (b) Travel direction.

Fig. 3. Reconstructed image process of a point. (a) Return signal data. (b) The image focused by the Fourier transform. (c) Quadratic phase in the travel direction. (d) Reconstructed point image by matching filtering. (e) Point spread functions in the orthogonal direction of travel. (f) Point spread functions in the travel direction.

Fig. 4. Target image of multi-strips. (a) Actual image. (b) Reconstructed image.

Fig. 5. Target image of planar plane. (a) Actual image. (b) Reconstructed image.