Method of high-resolution computational imaging through checkerboard constellation-based optical pupil plane interference

Abstract

A method of high-resolution computational imaging through checkerboard constellation-based optical pupil plane interference is provided where a checkerboard constellation-based high-density data acquisition system is adopted to realize high-density sampling of the modulus G of the complex coherence coefficient μ(u, v) of the object, and then the argument angle recovery (also known as phase recovery) algorithms and the image reconstruction algorithms are combined to obtain a clear image. For the optical telescope with ultra-large aperture much larger the rocket envelope, low, medium and high-frequency cameras can be placed on different rocket satellite platforms, launched into an orbit in batches and recombined in the orbit to obtain an equivalent large-optical-aperture imaging optics system, and the equivalent aperture of the system breaks through the limitation of the rocket envelope and can be expanded to 10 meters or above.

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