Abstract
The observation of an object traditionally relies on the scale of optical system and the resolution is often limited by the diameter of telescope. Based on the laser interference technology, we adopt a new signal sampling method with which we sample the spectrum information by laser beat frequency. The overlapped beams interfere together and generate a series of fringes across the target. Different spectrum components of target are sampled by fringes with different spatial frequency. Then we will reconstruct the target image through inverse Fourier Transform. This method break through the difficulty that observation resolution was limited by the scale of optical system.
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