利用 Murchison Widefield Array 改进近地空间环境监视技术
信号处理
2019-09-18 v1 天体物理仪器与方法
摘要
在本文中,我们展示了利用 Murchison Widefield Array 扩展无源雷达处理相干处理区间的改进技术。具体而言,我们利用 Keystone 变换和一种最近的去斜方法,应用了两级线性距离和多普勒漂移补偿。这些方法通过探测到比以往工作小数个数量级的目标,进一步展示了利用 Murchison Widefield Array 使用无源雷达进行空间监视的潜力。本文还展示了如何将线性多普勒漂移方法扩展到高阶补偿,以进一步增加潜在的处理区间。
引用
@article{arxiv.1907.00691,
title = {Improved Techniques for the Surveillance of the Near Earth Space Environment with the Murchison Widefield Array},
author = {Brendan Hennessy and Steven Tingay and Paul Hancock and Robert Young and Steven Tremblay and Randall B. Wayth and John Morgan and Sammy McSweeney and Brian Crosse and Melanie Johnston-Hollitt and David L. Kaplan and Dave Pallot and Mia Walker},
journal= {arXiv preprint arXiv:1907.00691},
year = {2019}
}
备注
Presented at the 2019 IEEE Radar Conference in Boston earlier this year