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针对自适应光学系统常遇到的环形光斑，仿真研究了波前传感器子孔径的六种环形布局，得出了环形布局的指导原则，并将环形布局与传统的方形布局进行了比较，认为环形布局更适合于环形光斑．
Aiming at the annular flare often encountered in adaptive optics system, the six ring layouts of the wavefront sensor subaperture are simulated and the guiding principle of the ring layout is obtained. The ring layout is compared with the traditional square layout. It is considered that the ring shape Layout is more suitable for circular spot.