The extrapolation of one-dimensional band-limited signal, as a typical ill-posed problem, has a variety of interesting applications in Fourier analysis, spectral estimation and image restoration. 一维带限信号的重构与外推作为一个典型的不适定问题,在傅立叶分析、谱估计和图像恢复中有着广泛的应用,对此已有一些学者做了大量的研究工作。
The Direct Method for Spectral and Image Restoration in High Energy Astronomy 高能天文中成像和解谱的直接方法