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The FRB-searching Pipeline of the Tianlai Cylinder Pathfinder Array
《Research in Astronomy and Astrophysics》2024年第8期113-132,共20页Zijie Yu Furen Deng Shijie Sun Chenhui Niu Jixia Li Fengquan Wu Wei-Yang Wang Yougang Wang Shifan Zuo Lin Shu Jie Hao Xiaohui Liu Reza Ansari Ue-Li Pen Albert Stebbins Peter Timbie Xuelei Chen 
support of the National SKA program of China(Nos.2022SKA0110100 and 2022SKA0110101);the National Natural Science Foundation of China(NSFC,Grant Nos.1236114814,12203061,12273070,and 12303004)。
This paper presents the design,calibration,and survey strategy of the Fast Radio Burst(FRB)digital backend and its real-time data processing pipeline employed in the Tianlai Cylinder Pathfinder Array.The array,consist...
关键词：instrumentation interferometers-methods data analysis-(stars )pulsars general-telescopes 
A Novel Imaging Method Based on Reweighted Total Variation for an Interferometer Array on Lunar Orbit
《Research in Astronomy and Astrophysics》2023年第12期204-214,共11页Xiaocheng Yang Mengna Wang Lin Wu Jingye Yan Junbao Zheng Li Deng 
supported by the Specialized Research Fund for State Key Laboratories under Grant 202217;the Key Laboratory of Solar Activity and Space Weather(NSSC)under Grant E26600021S。
Ground-based radio observations below 30 MHz are susceptible to the ionosphere of the Earth and the radio frequency interference.Compared with other space mission concepts,making low frequency observations using an in...
关键词：methods data analysis-instrumentation interferometers-techniques interferometric-space vehicles instruments-(cosmology:)dark ages-reionization-first stars 
Nonlinearity Correction of Fourier Transform Spectrometer in Solar Observation Using Simulated Annealing
《Research in Astronomy and Astrophysics》2023年第5期172-179,共8页Ze-Yin Dong Xian-Yong Bai Song Feng Yuan-Yong Deng Zi-Hang Yu Wen-Tong Ao Xiao Yang Zhi-Yong Zhang Zhi-Wei Feng 
supported by the Joint Funds of the National Natural Science Foundation of China(U1931107);supported by the National Key Research and Development Program of China No.2021YFA1600500。
A Fourier transform spectrometer(FTS)has been used to observe solar activities due to its ultra-high spectral resolution.However,the FTS in-band spectra are usually distorted and some artifacts appear in out-of-band r...
关键词：SUN infrared-instrumentation interferometers-techniques INTERFEROMETRIC 
A Study on Non-coplanar Baseline Effects for Mingantu Spectral Radioheliograph
《Research in Astronomy and Astrophysics》2022年第10期111-118,共8页Qiu-Ping Yang Feng Wang Hui Deng Ying Mei Wei Wang 
supported by the National SKA Program of China(2020SKA0110300);the Joint Research Fund in Astronomy(U1831204 and U1931141);the National Natural Science Foundation of China(NSFC);the Chinese Academy of Sciences(CAS);the Funds for International Cooperation and Exchange of the NSFC(11961141001);the NSFC(Grant No.11903009)。
As a dedicated solar radioheliograph,the MingantU SpEctral RadioHeliograph(MUSER)has a maximum baseline of more than 3000 m and a frequency range of 400 MHz–15 GHz.According to the classical radio interferometry theo...
关键词：INSTRUMENTATION interferometers-Sun radio radiation-methods data analysis 
A New Position Calibration Method for MUSER Images
《Research in Astronomy and Astrophysics》2022年第10期202-216,共15页Zhichao Zhou Yihua Yan Linjie Chen Wei Wang Suli Ma 
supported by NSFC grants(11790301,11790305,11773043,U2031134,and 12003049);the National Key R&D Program of China(2021YFA1600500,2021YFA1600503,and 2018YFA0404602);supported by the National Major Scientific Research Facility Program of China with the Grant No.ZDYZ2009-3;The MUSER calibration system is a part of the Chinese Meridian Project funded by China’s National Development and Reform Commission。
The Mingantu Spectral Radioheliograph(MUSER),a new generation of solar dedicated radio imagingspectroscopic telescope,has realized high-time,high-angular,and high-frequency resolution imaging of the Sun over an ultra-...
关键词：instrumentation interferometers-Sun radio radiation-techniques interferometric-techniques image processing-methods data analysis-methods observational-Sun activity-(Sun:)solar-terrestrial relations 
The optimization of satellite orbit for Space-VLBI observation被引量：1
《Research in Astronomy and Astrophysics》2021年第2期97-104,共8页Lei Liu Wei-Min Zheng 
supported by the National Natural Science Foundation of China(Grant Nos.11903067,11973011,11573057,U1831137 and 11703070);Shanghai Outstanding Academic Leaders Plan,the Strategic Priority Research Program of the Chinese Academy of Sciences(Grant No.XDB23010200);the Shanghai Key Laboratory of Space Navigation and Positioning Techniques(ZZXT-201902)。
By sending one or more telescopes into space,Space-VLBI(SVLBI)is able to achieve even higher angular resolution and is therefore the trend of the VLBI technique.For the SVLBI program,the design of satellite orbits pla...
关键词：instrumentation interferometers-techniques high angular resolution-methods numerical-space vehicles INSTRUMENTS 
The NTSC VLBI System and its application in UT1 measurement被引量：5
《Research in Astronomy and Astrophysics》2020年第6期229-238,共10页Dang Yao Yuan-Wei Wu Bo Zhang Jing Sun Yan Sun Shuang-Jing Xu Jia Liu Lang-Ming Ma Jian-Jun Gong Ying Yang Xu-Hai Yang 
supported by the National Natural Science Foundation of China(Grant Nos.11703033,11673051,11603001 and U1831136);the West Light Foundation of the Chinese Academy of Sciences(XAB2016A06);supported by the 100 Talents Project of the Chinese Academy of Sciences(CAS)。
In order to measure the Universal Time(UT1)in real time,National Time Service Center(NTSC)has built a VGOS-like(VLBI Global Observing System)broadband VLBI network,which includes three13-m radio telescopes located in ...
关键词：INSTRUMENTATION interferometers-methods observational-time-Earth 
Sensitivity function analysis of gravitational wave detection with single-laser and large-momentum-transfer atomic sensors被引量：2
《Research in Astronomy and Astrophysics》2015年第3期333-347,共15页Biao Tang Bao-Cheng Zhang Lin Zhou Jin Wang Ming-Sheng Zhan 
Supported by the National Natural Science Foundation of China
Recently, a configuration using atomic interferometers （AIs） had been sug- gested for the detection of gravitational waves. A new AI with some additional laser pulses for implementing large momentum transfer was als...
关键词：gravitational wave detection -- atomic interferometer-- laser frequencynoise 
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