中国科学院南京天文光学技术研究所机构知识库

CCDs (Charge-Coupled Devices) have high sensitivity and low noise characteristics that offer significant ad- vantages  for diverse scientific detection applications. However, CCD imaging systems are susceptible to both intrinsic and extrin sic interference due to multiple charge transfers during the readout process. The CCD used in the AST3-II astronomical  telescope located at Dome A in Antarctica has been severely affected by electromagnetic interference, resulting apparent  stripes across the entire CCD images. To address this issue, we propose a novel correction method based on the Hough  transform that effectively mitigates such interference effects. By applying the correction, we can significantly reduce  such risks and enhance the reliability of exoplanet detection.