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Feasibility of Multi-detector Intensity Correlation Imaging Method for Space Object

机译:空间物体多探测器强度相关成像方法的可行性

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For space object, intensity correlation is a high-resolution imaging method and it has favorable developing prospects. But the existing intensity correlation imaging focuses more on the second order intensity correlation combined with phase estimation. The absence of phase information brings out problems like twin images and limitations for low brightness and irregular object, which has trapped its progress in imaging. Instead of estimation, higher order or multi-detector correlation can directly measure the phase and avoid the complicated estimation process and extra error it introduces. Sensitive to measurement noise, the feasibility of multi-detector intensity correlation imaging for space object is discussed here. Also, the SNR of the measurement and reconstructed image quality is to be compared by adding the detectors and available improvements are proposed in this paper.
机译:对于空间物体,强度相关是一种高分辨率的成像方法,具有良好的发展前景。但是现有的强度相关成像更多地集中在结合相位估计的二阶强度相关上。相位信息的缺乏会带来诸如孪生图像以及低亮度和不规则物体的局限性等问题,从而限制了其成像技术的发展。代替估计,高阶或多检测器相关性可以直接测量相位,并且避免了复杂的估计过程和由此带来的额外误差。对测量噪声敏感,这里讨论了对空间物体进行多探测器强度相关成像的可行性。另外,将通过添加检测器来比较测量的SNR和重建的图像质量,并提出了可用的改进方法。

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