The tests show that the method developed in this paper would be useful and practical for VISSR focusing control of the geostationary meteorological satellite on the orbit.

• 根据傅里叶光学中调制传递函数的理论分析了可见、红外自旋扫描辐射计(VISSR)成像光学系统的性质,并提出调焦的判据和方法。