单碟射电望远镜的SETI探测策略
SETI Detection Strategies for Single Dish Radio Telescopes
摘要：
地外智能无线电探测器的目标是探测来自地外通信文明的人工传输。缺乏关于这些潜在传输的先验知识增加了搜索参数空间。地面单碟射电望远镜具有高灵敏度，但标准数据产品仅限于功率谱密度估计。为了克服经典能量检测器的重要局限性，提出了两种基于异步ON和OFF天文目标观测的检测策略。统计模型，使阈值选择和检测性能评估。
英文摘要：
Radio Searches for Extra Terrestrial Intelligence aim at detecting artificial transmissions from extra terrestrial communicative civilizations. The lack of prior knowledge concerning these potential transmissions increase the search parameter space. Ground-based single dish radio telescopes offer high sensitivity, but standard data products are limited to power spectral density estimates. To overcome important classical energy detector limitations, two detection strategies based on asynchronous ON and OFF astronomical target observations are proposed. Statistical models are described to enable threshold selection and detection performance assessment.
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