Search Results for author: Dan Hu

Found 4 papers, 2 papers with code

Modelling cosmic ray electron physics in cosmological smoothed particle hydrodynamics simulation

no code implementations1 Dec 2019 Dongchao Zheng, Weitian Li, Zhenghao Zhu, Chenxi Shan, Jiajun Zhang, Linfeng Xiao, Xiaoli Lian, Dan Hu

Cosmic ray electron (CRE) acceleration and cooling are important physical processes in astrophysics.

High Energy Astrophysical Phenomena Cosmology and Nongalactic Astrophysics

Contribution of Radio Halos to the Foreground for SKA EoR Experiments

4 code implementations14 May 2019 Weitian Li, Haiguang Xu, Zhixian Ma, Dan Hu, Zhenghao Zhu, Chenxi Shan, Jingying Wang, Junhua Gu, Dongchao Zheng, Xiaoli Lian, Qian Zheng, Yu Wang, Jie Zhu, Xiang-Ping Wu

The overwhelming foreground contamination is one of the primary impediments to probing the EoR through measuring the redshifted 21 cm signal.

Cosmology and Nongalactic Astrophysics

Separating the EoR Signal with a Convolutional Denoising Autoencoder: A Deep-learning-based Method

1 code implementation25 Feb 2019 Weitian Li, Haiguang Xu, Zhixian Ma, Ruimin Zhu, Dan Hu, Zhenghao Zhu, Junhua Gu, Chenxi Shan, Jie Zhu, Xiang-Ping Wu

When applying the foreground removal methods to uncover the faint cosmological signal from the epoch of reionization (EoR), the foreground spectra are assumed to be smooth.

Denoising

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