Fig. 1. Schematic diagram of DASH interferometer

Fig. 2. Schematic diagram of limb sounding for spaceborne DASH interferometer. The angle between the tangent of the intersection of the LOS and the layer is

Fig. 3. The flowchart of phase distortion correction

Fig. 4. Interferograms generated (a) without and (c) with Doppler frequency shift. (b) and (d) are correction results of (a) and (c). The simulated images have been vertically stretched, with the actual image proportions being

Fig. 5. Comparison between input wind profile and retrieved wind profile. The red line represents the input wind profile, while the blue line represents the retrieved wind profile. (a) The data before phase distortion correction; (b) the data after phase distortion correction

Fig. 6. After phase distortion correction, the phase changes caused by different angles in the residual phase distortion terms across different detector rows