[1] [1] Meng X, Feng H J, Xu Z H. Autofocus method for scanning remote sensing cameras \[J\]. Applied Optics, 2019, 54(20): 6351-6359.

[3] [3] Park B K, Kim S, Chung D S, et al. Fast and accurate auto focusing algorithm based on two defocused images using discrete cosine transform \[C\]. SPIE, 2008, 6817: 68170D.

[10] [10] Sun Y B, Zhang J M, Chen S S, et al. Signal processing for extracting velocity information from spatial filtering signals \[C\]. Chongqing: 2020 International Conference on Cyber-Enabled Distributed Computing and Knowledge Discovery, 2020.

[11] [11] Ding Z G, Wang Z W, Wei Y K, et al. SPA-GAN: SAR Parametric Autofocusing Method with Generative Adversarial Network \[J\]. Remote Sensing, 2022, 14(20): 5159.