Cover Image

Tackling Challenges in 21cm Global Spectrum Experiment: the Impact of Ionosphere and Beam Distortion

Fuente: arXiv

Saved in:

Bibliographic Details
Main Authors:	Wang, Yue, Wang, Xin, Sun, Shijie, Wu, Fengquan, Luo, Shoudong, Chen, Xuelei
Format:	Preprint
Published:	2024
Subjects:	Cosmology and Nongalactic Astrophysics
Online Access:	Acceder al recurso
Tags:	Add Tag No Tags, Be the first to tag this record!

Similar Items

Calibration Error in 21-centimeter Global Spectrum Experiments
by: Sun, Shijie, et al.
Published: (2024)

Robust Extraction of Global 21 cm Spectrum from Experiments with a Chromatic Beam Based on Physics-Motivated Error Modeling
by: Li, Haoran, et al.
Published: (2025)

21 cm Power Spectrum Analysis of North Celestial Pole Observations with the Tianlai Dish Pathfinder Array
by: He, Guangzhi, et al.
Published: (2026)

Probing the cosmological 21~cm global signal from the Antarctic ice sheet
by: Sun, Shijie, et al.
Published: (2025)

Foreground Mitigation and Power Spectrum Analysis for Tianlai Full-Sky 21 cm Survey Observation
by: Deng, Yikai, et al.
Published: (2026)

A Designer's Guide to Lunar Far-Side Interferometer Array: Power Spectrum Measurement and Cosmological Constraints from the Dark Ages
by: Wen, Yuewei, et al.
Published: (2026)

FAST Drift Scan Survey for HI Intensity Mapping. II. Stacking-based Beam Construction of the 19-feed Array at $1.4$ GHz
by: Zhao, Xinyang, et al.
Published: (2024)

Extracting the Global 21-cm signal from Cosmic Dawn and Epoch of Reionization in the presence of Foreground and Ionosphere
by: Tripathi, Anshuman, et al.
Published: (2024)

Application of Regularization Methods in the Sky Map Reconstruction of the Tianlai Cylinder Pathfinder Array
by: Yu, Kaifeng, et al.
Published: (2023)

Forecast measurement of the 21 cm global spectrum from Lunar orbit with the Vari-Zeroth-Order Polynomial (VZOP) method
by: Liu, Tianyang, et al.
Published: (2024)

Reionization Parameter Inference from 3D Minkowski Functionals of the 21 cm Signals
by: Diao, Kangning, et al.
Published: (2024)

Velocity acoustic oscillations on Cosmic Dawn 21 cm power spectrum as a probe of small-scale density fluctuations
by: Zhang, Xin, et al.
Published: (2024)

Primordial black holes and the velocity acoustic oscillations features in 21 cm signals from the cosmic Dark Ages
by: Zhang, Zhihe, et al.
Published: (2026)

Correlation-based Beam Calibration of 21cm Intensity Mapping
by: Ding, Jiacheng, et al.
Published: (2024)

Constraining Lyman-Werner Feedback from Velocity Acoustic Oscillations in the Cosmic Dawn 21 cm Signal
by: Du, Xi, et al.
Published: (2026)

Quantifying the Impact of Lunar and Planetary Occultation on Experimental Global 21 cm Cosmology
by: Pattison, Joe H. N., et al.
Published: (2025)

Restoring Missing Modes of 21cm Intensity Mapping with Deep Learning: Impact on BAO Reconstruction
by: Li, Qian, et al.
Published: (2024)

The Impact of ionization Morphology and X-ray Heating on the Cosmological 21cm Skew Spectrum
by: Cook, J. H., et al.
Published: (2024)

Ionospheric contributions to the excess power in high-redshift 21-cm power-spectrum observations with LOFAR
by: Brackenhoff, S. A., et al.
Published: (2024)

Reconstruction of Reionization Histories from 21 cm Power-Spectrum Evolution with Artificial Neural Networks
by: Wang, Yu-Le, et al.
Published: (2026)

Interpretation of 21 cm Auto Power Spectrum Measurement at $z\sim 1$ by the Canadian Hydrogen Intensity Mapping Experiment
by: CHIME Collaboration, et al.
Published: (2026)

Axion-Photon Conversion In Magnetized Universe: Impact On The Global 21-cm Signal
by: Natwariya, Pravin Kumar, et al.
Published: (2025)

Impact of Antenna Structure and Orientation on Forward-Modelled Global 21 cm Signal Recovery
by: Pattison, Joe H. N., et al.
Published: (2026)

Simulating the Detection of the Global 21 cm Signal with MIST for Different Models of the Soil and Beam Directivity
by: Monsalve, Raul A., et al.
Published: (2023)

Analyzing the 21cm forest with Wavelet Scattering Transform: Insight into non-Gaussian features of the 21cm forest
by: Shimabukuro, Hayato, et al.
Published: (2025)

Constraining Statistical Isotropy using 21cm Power Spectrum and Bispectrum
by: Joshi, Bhuwan, et al.
Published: (2025)

Impacts and Statistical Mitigation of Missing Data on the 21cm Power Spectrum: A Case Study with the Hydrogen Epoch of Reionization Array
by: Chen, Kai-Feng, et al.
Published: (2024)

Seeing Wiggles without Seeing Wiggles: BAO Recovery in 21 cm Intensity Mapping with Deep Learning
by: Yu, Kaifeng, et al.
Published: (2026)

Exploring the Model Dependence of MCMC-Based 21 cm Power Spectrum Parameter Constraints
by: Berklas, August, et al.
Published: (2025)

Impact of the Epoch of Reionization sources on the 21-cm bispectrum
by: Noble, Leon, et al.
Published: (2024)

Capturing System Drift with Time Series Calibration for Global 21-cm Cosmology Experiments
by: Kirkham, Christian J., et al.
Published: (2025)

Accounting for Noise and Singularities in Bayesian Calibration Methods for Global 21-cm Cosmology Experiments
by: Kirkham, Christian J., et al.
Published: (2024)

The Evolving Power Spectrum for the light cone Epoch of Reionization (EoR) 21-cm signal
by: Pramanick, Suman, et al.
Published: (2025)

Global 21 cm Signal Recovery Under Changing Environmental Conditions
by: Pattison, Joe H. N., et al.
Published: (2024)

Sensitivity of the Global 21-cm Signal to Dark Matter-Baryon Scattering
by: Rahimieh, Aryan, et al.
Published: (2025)

A General Bayesian Framework to Account for Foreground Map Errors in Global 21-cm Experiments
by: Pagano, Michael, et al.
Published: (2022)

Inferring IGM parameters from the redshifted 21-cm Power Spectrum using Artificial Neural Networks
by: Choudhury, Madhurima, et al.
Published: (2024)

Constraining Primordial Black Holes via p-wave annihilation in light of CMB Spectral Distortion and 21-cm global signal
by: Si, Shibsankar, et al.
Published: (2026)

Probing the Global 21-cm Signal via the Integrated Sachs-Wolfe Effect on the 21-cm Background
by: Ahn, Kyungjin, et al.
Published: (2023)

Systematic Spectral Distortion from Digital Whitening in Radio Telescopes and Implications for 21 cm Cosmology
by: Byrne, Ruby, et al.
Published: (2026)