arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 1802.00340astro-ph.IM
收藏

引力波探测器中共同信号的盲搜索

A blind search for a common signal in gravitational wave detectors

Hao Liu, James Creswell, Sebastian von Hausegger, Andrew D. Jackson, Pavel Naselsky

摘要:

我们提出了一种盲的,无模板的方法,汉福德和利文斯顿探测器之间的共同信号的提取,并将其应用于特别是GW150914事件。我们构建了一个对数似然方法,最大限度地提高了每个检测器和公共信号之间的互相关,并最大限度地减少了残差之间的互相关。该方法的可靠性进行了测试,使用注入的公共信号的模拟。最后,我们的方法被用来评估质量的理论引力波模板的GW 150914。

英文摘要:

We propose a blind, template-free method for the extraction of a common signal between the Hanford and Livingston detectors and apply it especially to the GW150914 event. We construct a log-likelihood method that maximizes the cross-correlation between each detector and the common signal and minimizes the cross-correlation between the residuals. The reliability of this method is tested using simulations with an injected common signal. Finally, our method is used to assess the quality of theoretical gravitational wave templates for GW150914.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

↑