Fig. 1. Schematic of enhanced self-heterodyne SAIL

Fig. 2. Structure diagram of built enhanced self-heterodyne SAIL. (a) General view of experimental system; (b) transmitter; (c) heterodyne receiver

Fig. 3. Reconstructed process of a point target. (a) Quadratic phase in the orthogonal direction of travel; (b) image compressed by a match filter in orthogonal direction of travel; (c) quadratic phase in the travel direction; (d) reconstructed point image by a match filter in travel direction; (e) point spread function in the orthogonal direction of travel; (f) point spread function in the travel direction

Fig. 4. Reconstruction process of point-array plus sign. (a) Actual image; (b) image compressed by a match filter in orthogonal direction of travel; (c) reconstructed point-array plus image by a match filter in travel direction

Fig. 5. Reconstruction process of planar point-array airplane. (a) Actual image; (b) reconstructed image