强信号、弱信号与系统误差
太阳与恒星天体物理
2018-04-06 v1
摘要
我们研究了在存在大幅值信号的情况下,仪器系统误差在搜寻小幅值信号分量中的作用。当前处理上述情形的变星分析似乎忽略了系统误差的影响,尽管在系外行星领域中考虑系统误差已是相当常规的做法。我们表明,对大幅值分量与系统误差进行同步滤波,所得残差在探测任何隐藏的小幅值分量方面具有更好的潜力。该方法通过来自开普勒(Kepler)数据库的若干精选实例加以说明。
引用
@article{arxiv.1804.01894,
title = {Big Signals, Small Signals, Systematics},
author = {Geza Kovacs},
journal= {arXiv preprint arXiv:1804.01894},
year = {2018}
}
备注
Contributed paper presented at a conference "Revival of the Classical Pulsators: from Galactic Structure to Stellar Interior Diagnostics", held in Niepolomice, Poland, 17-21 September 2017. To appear in the Proceedings of the Polish Astronomical Society. Editors: Radek Smolec, Karen Kinemuchi, Richard Anderson