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| Number | Title | Issue Date |
| 5128530 | Piston error estimation method for segmented aperture optical systems while observing arbitrary unknown extended scenes Relative piston misalignments between segments of a multisegment optical system, such as a segmented primary mirror, are reduced by a method in which elements of an arbitrary unknown extended scene image carried by an input beam are eliminated from the be... | 07/07/1992 |
