宇宙微波背景中弦信号的小波域贝叶斯去噪
天体物理学
2009-11-16 v2
摘要
提出了一种用于去除宇宙微波背景(CMB)中由宇宙弦引起的信号的算法。采用贝叶斯方法，基于广义高斯分布在小波域对弦信号进行建模。通过模拟实验，在包含初级和次级CMB各向异性以及仪器噪声的条件下，于角分分辨率下展示了该算法的良好性能。
引用
@article{arxiv.0811.1267,
title = {Wavelet domain Bayesian denoising of string signal in the cosmic microwave background},
author = {D. K. Hammond and Y. Wiaux and P. Vandergheynst},
journal= {arXiv preprint arXiv:0811.1267},
year = {2009}
}
备注
16 pages, 11 figures. Version 2 matches version accepted for publication in MNRAS. Changes include substantial clarifications on our approach and a significant reduction of manuscript length