Search Results - "Zuo, ShiFan"
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1
A Semiblind PCA-based Foreground Subtraction Method for 21 cm Intensity Mapping
Published in The Astrophysical journal (01-03-2023)“…Abstract The principal component analysis (PCA) method and the singular value decomposition (SVD) method are widely used for foreground subtraction in 21 cm…”
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2
Simulation-based Inference of Reionization Parameters from 3D Tomographic 21 cm Light-cone Images. II. Application of Solid Harmonic Wavelet Scattering Transform
Published in The Astrophysical journal (01-09-2024)“…The information regarding how the intergalactic medium is reionized by astrophysical sources is contained in the tomographic three-dimensional 21 cm images…”
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3
FAST Drift Scan Survey for Hi Intensity Mapping: I. Preliminary Data Analysis
Published in The Astrophysical journal (01-09-2023)“…Abstract This work presents the initial results of the drift-scan observation for the neutral hydrogen ( Hi ) intensity mapping survey with the…”
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4
An Ultralong-wavelength Sky Model with Absorption Effect
Published in The Astrophysical journal (01-06-2021)“…Abstract The radio sky at frequencies below ∼10 MHz is still largely unknown; this remains the last unexplored part of the electromagnetic spectrum in…”
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5
A radio burst detection method based on the Hough transform
Published in Monthly notices of the Royal Astronomical Society (11-05-2020)“…ABSTRACT We present a simple and fast method for incoherent dedispersion and fast radio burst (FRB) detection based on the Hough transform, which is widely…”
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6
Imaging sensitivity of a linear interferometer array on lunar orbit
Published in Monthly notices of the Royal Astronomical Society (01-02-2022)“…ABSTRACT Ground-based observation at frequencies below 30 MHz is hindered by the ionosphere of the Earth and radio frequency interference. To map the sky at…”
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7
HIR4: cosmology from a simulated neutral hydrogen full sky using Horizon Run 4
Published in Monthly notices of the Royal Astronomical Society (01-06-2020)“…ABSTRACT The distribution of cosmological neutral hydrogen will provide a new window into the large-scale structure of the Universe with the next generation of…”
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8
HIR4: cosmological signatures imprinted on the cross-correlation between a 21-cm map and galaxy clustering
Published in Monthly notices of the Royal Astronomical Society (01-12-2020)“…ABSTRACT We explore the cosmological multitracer synergies between an emission-line galaxy distribution from the Dark Energy Spectroscopic Instrument and a…”
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9
The Tianlai dish pathfinder array: design, operation, and performance of a prototype transit radio interferometer
Published in Monthly notices of the Royal Astronomical Society (01-09-2021)“…ABSTRACT The Tianlai Dish Pathfinder Array is a radio interferometer designed to test techniques for 21 cm intensity mapping in the post-reionization universe…”
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10
AlgoSCR: an algorithm for solar contamination removal from radio interferometric data
Published in Monthly notices of the Royal Astronomical Society (04-04-2022)“…ABSTRACT Hydrogen intensity mapping is a new field in astronomy that promises to make three-dimensional maps of the matter distribution of the Universe using…”
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11
FAST Drift Scan Survey for Ηι Intensity Mapping: I. Preliminary Data Analysis
Published in The Astrophysical journal (31-08-2023)“…This work presents the initial results of the drift-scan observation for the neutral hydrogen (Hi) intensity mapping survey with the Five-hundred-meter…”
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12
1/f noise analysis for FAST H i intensity mapping drift-scan experiment
Published in Monthly notices of the Royal Astronomical Society (14-12-2021)“…ABSTRACT We investigate the 1/f noise of the Five-hundred-meter Aperture Spherical Telescope (FAST) receiver system using drift-scan data from an intensity…”
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13
The Tianlai dish array low-z surveys forecasts
Published in Monthly notices of the Royal Astronomical Society (03-11-2022)“…ABSTRACT We present the science case for surveys with the Tianlai dish array interferometer tuned to the [1300, 1400] MHz frequency range. Starting from a…”
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14
The Tianlai Cylinder Pathfinder array: System functions and basic performance analysis
Published in Science China. Physics, mechanics & astronomy (01-12-2020)“…The Tianlai Cylinder Pathfinder is a radio interferometer array designed to test techniques for 21 cm intensity mapping in the post-reionization Universe, with…”
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15
Data processing pipeline for Tianlai experiment
Published in Astronomy and computing (01-01-2021)“…The Tianlai project is a 21 cm intensity mapping experiment aimed at detecting dark energy by measuring the baryon acoustic oscillation (BAO) features in the…”
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Site selection for the Tianlai experiment proceedings of the XXXIst URSI general assembly and scientific symposium to be held in Beijing, China (CIE), August 17-23, 2014
Published in 2014 XXXIth URSI General Assembly and Scientific Symposium (URSI GASS) (01-08-2014)“…The Tianlai project plans to build a compact cylinder array to map the 21cm emission from redshift 0 to 3, corresponding to frequency 350-1420MHz. The full…”
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Conference Proceeding -
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3D ScatterNet: Inference from 21 cm Light-cones
Published 13-07-2023“…The Square Kilometre Array (SKA) will have the sensitivity to take the 3D light-cones of the 21 cm signal from the epoch of reionization. This signal, however,…”
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18
Map Reconstruction of radio observations with Conditional Invertible Neural Networks
Published 15-06-2023“…In radio astronomy, the challenge of reconstructing a sky map from time ordered data (TOD) is known as an inverse problem. Standard map-making techniques and…”
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19
A Radio Burst Detection Method Based on the Hough Transform
Published 27-03-2020“…We present a simple and fast method for incoherent dedispersion and fast radio burst (FRB) detection based on the Hough transform, which is widely used for…”
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Journal Article -
20
A Semi-blind PCA-based Foreground Subtraction Method for 21 cm Intensity Mapping
Published 01-02-2023“…ApJ, 2023, vol. 945, id. 38 The Principal Component Analysis (PCA) method and the Singular Value Decomposition (SVD) method are widely used for foreground…”
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