activity
20242026
most citedThe FAST HI 21-cm absorption blind survey. II. -- Statistic Exploration for Associated and Intervening systems

5 citations · 16 across the 23 of their papers we have counts for

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6 papers · 1 filter

astro-ph.IM2026

The Operation Control System for the Tianlai Experiment

Jixia Li, Fengquan Wu, Shijie Sun +2

The Tianlai 21cm intensity mapping experiment is located at the Hongliuxia Observing Station, which is a remote site with excellent electromagnetic environment. To facilitate the o…

astro-ph.IM2026

Measuring Tianlai's primary beam using sky model

Yunbo Geng, Furen Deng, Jixia Li +6

We present the beam pattern measurement of the Tianlai Cylinder Pathfinder Array. As it is a pure drift-scan instrument, we exploit the North-South motion of the Sun to demonstrate…

astro-ph.IM2026

21 cm Power Spectrum Analysis of North Celestial Pole Observations with the Tianlai Dish Pathfinder Array

Guangzhi He, Shifan Zuo, Jixia Li +11

The Tianlai Dish Pathfinder Array (TDPA) is a radio interferometer designed to test techniques for 21 cm intensity mapping in the post-reionization universe as a means of measuring…

astro-ph.IM2025

Beamforming in Interferometer Arrays with Cross-couplings

Yingfeng Liu, Shijie Sun, Kaifeng Yu +6

For an interferometric array, an image of the sky can be synthesized from interferometric visibilities, which are the cross-correlations of the received electric voltages of pairs…

astro-ph.IM2025★ 2 cited

Measurement of the Primary Beam of the Tianlai Cylindrical Antenna Using an Unmanned Aerial Vehicle

Jixia Li, Nanben Suo, Shenzhe Xu +9

The Tianlai Cylinder Pathfinder Array consists of three adjacent cylindrical reflectors fixed on the ground, each 40 meters long and 15 meters wide, with the cylinder axis oriented…

astro-ph.IM2024★ 3 cited

FAST Drift Scan Survey for HI Intensity Mapping. II. Stacking-based Beam Construction of the 19-feed Array at GHz

Xinyang Zhao, Yichao Li, Wenxiu Yang +7

Neutral hydrogen (HI) intensity mapping (IM) presents great promise for future cosmological large-scale structure surveys. However, a major challenge for HIIM cosmological studies…