参考资料来自： https://booksite.elsevier.com/samplechapters/9780123814203/Woods_3.1_through_3.3.pdf 和 Poularikas A. D. “Two-Dimensional Z-Transform” The Handbook of Formulas and Tables for Signal Processing. Ed. Alexander D. Poularikas Boca Raton: CRC Press LLC, 1999
