Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Heng-Qian Gan"'
Autor:
Hui Li, Wei-Qi Su, Jin-Tao Xie, Gao Xingye, Hong-Guang Wang, Heng Xu, Yi Yan, Kejia Lee, Na Wang, Wei-Cong Jing, Jun Yan, Chun Sun, Yan Zhu, Pengfei Wang, Heng-Qian Gan, Jinghai Sun, Wen-Jun Huang, Bojun Wang, Jian-Ping Yuan, Tao Wang, Peng Jiang, Renxin Xu, Xue Chen, Li-Gang Hou, Shuang-Qiang Wang, Dongjun Yu, Xiao-Peng You, Yun-Peng Men, Jinchen Jiang, Chunfeng Zhang, Xin Guan, R. Yuen, D. J. Zhou, Chen Wang, Rui Yao, Jin-Lin Han, Jun Xu
Discovery of pulsars is one of the main goals for large radio telescopes. The Five-hundred-meter Aperture Spherical radio Telescope (FAST), that incorporates an L-band 19-beam receiver with a system temperature of about 20~K, is the most sensitive ra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::facae4a1e8a805ec8a167d1b388a3ae1
http://arxiv.org/abs/2105.08460
http://arxiv.org/abs/2105.08460
Autor:
Jian Yang, Yihua Yan, Bin Li, Jun Ma, Heng-Qian Gan, Kai Zhu, Hailin Cao, Jin Fan, Linjie Chen
Publikováno v:
2020 XXXIIIrd General Assembly and Scientific Symposium of the International Union of Radio Science.
This paper presents an ultra-wideband Phased Array Feed (PAF) based on novel flat bend crossed dipole fed by 50Ohm coaxial line. The PAF is dual-polarized and made from all-metal to minimize Ohmic losses and simplify cryogenic integration. It is opti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::43db83aa0564806e80621d41d7e406f6
https://doi.org/10.23919/ursigass49373.2020.9232362
https://doi.org/10.23919/ursigass49373.2020.9232362
Autor:
Andrew Cameron, L. M. Song, Jun Yan, Lei Zhang, Mao Yuan, Hui Qian, Ningyu Tang, Wenbai Zhu, Xuedong Gu, Caihong Sun, Xiang-Wei Shi, M. Huang, Aiying Zhou, Dai Shi, Lichun Zhu, Zhang Xinxin, Hui Li, Jinyuo Song, Zhichen Pan, Haiyan Zhang, Heng-Qian Gan, S. Yang, Pei Wang, Jinghai Sun, Rui Luo, Peng Jiang, Boqin Zhu, Rui Yao, Hongfei Liu, Ming-Lei Guo, Di Li, Xiaoyao Xie, Qiaoli Hao, Shuyun Cao, Li Yang, Jun Han, Shuxin Zhang, Hongfeng Wang, Ran Duan, Jinglong Yu, M. Cruces, Dongjun Yu, X. Z. Zheng, George Hobbs, Hong Wang, Duncan R. Lorimer, Yi Feng, Ming Zhu, Lei Qian, David Champion, Michael Kramer, Laura Spitler, Lin Huang, Yan Zhu, Weiwei Zhu, Cheng-Min Zhang, Wang Qiming, Youling Yue, Bing Zhang, Li Feng, Chenhui Niu, Qi Li, Chengjin Jin, Bo Peng, Jiarui Niu, Yi Wang, Qisheng Li, Gaofeng Pan, Chenchen Miao, Long Gao
We report the discovery of a highly dispersed fast radio burst, FRB~181123, from an analysis of $\sim$1500~hr of drift-scan survey data taken using the Five-hundred-meter Aperture Spherical radio Telescope (FAST). The pulse has three distinct emissio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::11d5bb2f3d973c440c3f34cddae9743b
Autor:
Gaofeng Pan, Lei Zhang, A. D. Cameron, Lei Qian, Pei Wang, Hui Li, Youling Yue, Rui Yao, Shen Wang, Hongfei Liu, Di Li, Xiaoyao Xie, Yan Zhu, Weiwei Zhu, Peng Jiang, George Hobbs, Dongjun Yu, Zhijie Liu, Fernando Camilo, Zhichen Pan, Heng-Qian Gan, Jinghai Sun
Publikováno v:
Science China Physics, Mechanics & Astronomy. 62
To assist with the commissioning (Jiang et al. 2019) of the Five-hundred-meter Aperture Spherical radio Telescope (FAST), we performed a pulsar search, with the primary goal of developing and testing the pulsar data acquisition and processing pipelin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9a8a1e787db981567491aa101d089147
https://doi.org/10.1007/s11433-018-9354-y
https://doi.org/10.1007/s11433-018-9354-y
Autor:
Hai-Yan Zhang, Ming-Chang Wu, You-Ling Yue, Heng-Qian Gan, Hao Hu, Shi-Jie Huang, Jin-Hai Sun, Bo Peng, Ren-Dong Nan, FAST Collaboration
Publikováno v:
Research in Astronomy and Astrophysics. 20:075
Radio Frequency Interference (RFI) mitigation is essential for supporting the science output of Five-hundred-meter Aperture Spherical radio Telescope (FAST) due to its high sensitivity. In order to protect FAST from RFI, an Electromagnetic Compatibil
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::761075d6d3913814e34fa701c2e0da92
https://doi.org/10.1088/1674-4527/20/5/75
https://doi.org/10.1088/1674-4527/20/5/75
Autor:
Ming-Lei Guo, Jin Fan, Wei Tang, Weiwei Zhu, Yi Feng, Heng-Qian Gan, Kun Liang, Xing-Yi Wang, Hang Zhang, Jinyou Song, Kai Zhu, Lei Qian, Chengjin Jin, Yan Zhu, Zhisheng Gao, Youling Yue, Xiang-Wei Shi, Peng Jiang, Hongfei Liu
Publikováno v:
Research in Astronomy and Astrophysics. 20:072
This paper reports on the time and frequency standard system for the Five-hundred meter Aperture Spherical radio Telescope (FAST), including the system design, stability measurements and pulsar timing observations. The stability and drift rate of the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5069f5c449a35657a200ac2d33e5d082
https://doi.org/10.1088/1674-4527/20/5/72
https://doi.org/10.1088/1674-4527/20/5/72
Autor:
Hongfei Liu, Jin Fan, Jian Yang, Ming-Lei Guo, Peng Jiang, Hang Zhang, Kai Zhu, Yang Cao, Heng-Qian Gan, Xiang-Wei Shi
Publikováno v:
Research in Astronomy and Astrophysics. 20:071
This paper describes the design, construction, and performance of the wideband orthomode transducers (OMTs) for the L- (1.2–1.8 GHz), the S- (2–3 GHz) and the P- (0.56–1.12 GHz) band receiver systems of the Five-hundred-meter Aperture Spherical
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8e9f6bd8c1ea12fd66068a24439c77f9
https://doi.org/10.1088/1674-4527/20/5/71
https://doi.org/10.1088/1674-4527/20/5/71
Publikováno v:
Research in Astronomy and Astrophysics. 20:069
Five-hundred-meter Aperture radio Spherical Telescope (FAST) is the world’s largest single dish radio telescope, which is located in Guizhou Province, in southwest China. The FAST feed cabin is supported and positioned by six steel cables. The devi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dddd3b666c629e8102a69cdfb52e1fc4
https://doi.org/10.1088/1674-4527/20/5/69
https://doi.org/10.1088/1674-4527/20/5/69
Autor:
Heng-Qian Gan, Peng Jiang, Lichun Zhu, Lei Yang, Yong Wang, Qiming Wang, Zhiwei Zhang, Wu Mingchang
Publikováno v:
Ground-based and Airborne Telescopes VII.
The 2225 actuators are the main and key control devices for the deformation control of FAST (Five-hundred-meter Aperture Spherical radio Telescope) reflector. The control behavior of the reflector deformation such as tracking and scanning, is impleme
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4e037366945728b5899555973f4fb33e
https://doi.org/10.1117/12.2309912
https://doi.org/10.1117/12.2309912
Autor:
Heng-Qian Gan, Jinghai Sun, Youling Yue, Haiyan Zhang, Jinyou Song, Huang Shijie, Hongfei Liu, Chengjin Jin, Hu Hao
Publikováno v:
2017 XXXIInd General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS).
Five-hundred-meter Aperture Spherical radio Telescope (FAST) is a Chinese mega-science project to build the largest single dish radio telescope in Guizhou province, Southwest China. The construction of FAST will involve many kinds of analog and digit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::63441fb2f98e463bc913a1efd5339e24
https://doi.org/10.23919/ursigass.2017.8105157
https://doi.org/10.23919/ursigass.2017.8105157