A Fast Radio Burst Backend for the Tianlai Dish Pathfinder Array

被引：3

作者：

Yu, Zijie ^{[1
,2
]}

Deng, Furen ^{[1
,2
]}

Sun, Shijie ^{[1
]}

Niu, Chenhui ^{[1
]}

Li, Jixia ^{[1
]}

Wu, Fengquan ^{[1
]}

Wang, Wei-Yang ^{[3
,4
]}

Wang, Yougang ^{[1
]}

Feng, Hui ^{[5
,6
]}

Shu, Lin ^{[5
,6
]}

Hao, Jie ^{[5
,6
]}

Ansari, Reza ^{[7
]}

Stebbins, Albert ^{[8
]}

Chen, Xuelei ^{[1
,2
,9
,10
]}

机构：

[1] Chinese Acad Sci, Natl Astron Observ, Beijing 100101, Peoples R China

[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

[3] Peking Univ, Dept Astron, Beijing 100871, Peoples R China

[4] Peking Univ, Kavli Inst Astron & Astrophys, Beijing 100871, Peoples R China

[5] Inst Automat, Chinese Acad Sci, Beijing 100190, Peoples R China

[6] Guangdong Inst Artificial Intelligence & Adv Comp, Guangzhou 510535, Peoples R China

[7] Univ Paris Saclay, CNRS, IN2P3, IJCLab, F-91405 Orsay, France

[8] Fermilab Natl Accelerator Lab, POB 500, Batavia, IL 60510 USA

[9] Northeastern Univ, Coll Sci, Dept Phys, Shenyang 110819, Peoples R China

[10] Peking Univ, Ctr High Energy Phys, Beijing 100871, Peoples R China

来源：

RESEARCH IN ASTRONOMY AND ASTROPHYSICS | 2022年 / 22卷 / 12期

基金：

中国国家自然科学基金;

关键词：

instrumentation: miscellaneous; techniques: interferometric; telescopes; radio continuum: general; (stars:) pulsars: general; DESIGN;

D O I：

10.1088/1674-4527/ac977c

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The Tianlai Dish Pathfinder Array is a radio interferometer array consisting of 16 six-meter dish antennas. The original digital backend integration time is at the seconds level, designed for H i intensity mapping experiment. A new digital backend with millisecond response is added to enable it to search for fast radio burst during its observations. The design and calibration of this backend, and the real time search pipeline for it are described in this paper. It is capable of forming 16 digital beams for each linear polarization, covering an area of 19.6 square degrees. The search pipeline is capable of searching for, recording and classifying FRBs automatically in real time. In commissioning, we succeeded in capturing the signal pulses from the pulsars PSR B0329+54 and B2021+51.

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页数：13

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