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Fourier spectrum extrapolation and enhancement using su

机译：使用su进行傅立叶频谱外推和增强

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Abstract: The use of support constraints for improving the quality of Fourier spectra estimates is discussed in this paper. It is shown that superresolution is an additive phenomena which is a function of the correlation scale induced by the support constraint and is independent of the bandwidth of the measured Fourier spectrum. It is also shown for power spectra that support constraints, due to the enforced correlation of power spectra, reduce the variance of measured power spectra. These theoretical results are validated via computer simulation in the area of speckle interferometry, with very good agreement shown between theory and simulation.!17
机译：摘要：本文讨论了使用支持约束来提高傅立叶频谱估计的质量。结果表明，超分辨率是一种加和现象，它是由支持约束引起的相关标度的函数，并且与测得的傅立叶光谱的带宽无关。对于功率谱，由于功率谱的强制相关性，还显示了支持约束的功率谱，从而减小了测量功率谱的方差。这些理论结果在散斑干涉测量领域通过计算机仿真得到了验证，在理论和仿真之间显示出非常好的一致性。17

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