《Astronomical Techniques and Instruments》

作品数：60被引量：7H指数：1
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《Astronomical Techniques and Instruments》
主办单位：Yunnan Observatories, CAS;Nanjing Institute of Astronomical Optics & Technology, CAS
最新期次：2025年2期更多>>
发文主题：ASTRONOMYINSTRUMENTSTELESCOPESOLARM更多>>
发文领域：天文地球自动化与计算机技术机械工程文化科学更多>>
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An intelligent solar flare prediction model based on X-ray flux curves using Long Short-Term Memory
《Astronomical Techniques and Instruments》2025年第2期65-72,共8页Yan Gao Li Zhang Long Xu 
partially supported by the National Key R&D Program of China (2022YFE0133700);the National Natural Science Foundation of China(12273007);the Guizhou Provincial Excellent Young Science and Technology Talent Program (YQK[2023]006);the National SKA Program of China (2020SKA0110300);the National Natural Science Foundation of China(11963003);the Guizhou Provincial Basic Research Program (Natural Science)(ZK[2022]143);the Cultivation project of Guizhou University ([2020]76).
Solar flares are violent solar outbursts which have a great influence on the space environment surrounding Earth,potentially causing disruption of the ionosphere and interference with the geomagnetic field,thus causin...
关键词：Neural Network Long Short-Term Memory Solar flare prediction X-ray flux curve 
Application of machine learning in astronomical spectral data mining
《Astronomical Techniques and Instruments》2025年第2期73-87,共15页Ting Zhang Hailong Zhang Yazhou Zhang Xu Du Wenna Cai Han Wu Yuyue Jiao Wanqiong Wang Jie Wang Xinchen Ye Jia Li 
supported by the National Key R&D Program of China(2021YFC2203502 and 2022YFF0711502);the National Natural Science Foundation of China(NSFC)(12173077);the Tianshan Talent Project of Xinjiang Uygur Autonomous Region(2022TSYCCX0095 and 2023TSYCCX0112);the Scientific Instrument Developing Project of the Chinese Academy of Sciences(PTYQ2022YZZD01);China National Astronomical Data Center(NADC);the Operation,Maintenance and Upgrading Fund for Astronomical Telescopes and Facility Instruments,budgeted from the Ministry of Finance of China(MOF)and administrated by the Chinese Academy of Sciences;Natural Science Foundation of Xinjiang Uygur Autonomous Region(2022D01A360).
Astronomical spectroscopy is crucial for exploring the physical properties,chemical composition,and kinematic behavior of celestial objects.With continuous advancements in observational technology,astronomical spectro...
关键词：Machine learning Neural networks Stellar atmospheric parameter prediction Stellar spectral classification 
Design and implementation of an integrated and rapidly assembled infrared three-band optical system
《Astronomical Techniques and Instruments》2025年第2期88-99,共12页Shuanglong Tan Yulin Wang Guangwei Shi Shuaiwei Mu Xin Zhang Lin Ma 
National Natural Science Foundation of China(12073028,12473084).
Continuing advancement in astronomy,space exploration,and scientific detection,has increased demand for infrared multi-band detection systems.Traditional three-band optical systems,designed to simultaneously image at ...
关键词：Three-band infrared INTEGRATED Rapid assembly Modulation Transfer Function(MTF) 
Sparse optimization of planar radio antenna arrays using a genetic algorithm
《Astronomical Techniques and Instruments》2025年第2期100-110,共11页Jiarui Di Liang Dong Wei He 
supported by the Ministry of Science and Technology SKA Special Project(2020SKA0110202);the Special Project on Building a Science and Technology Innovation Center for South and Southeast Asia–International Joint Innovation Platform in Yunnan Province:"Yunnan Sino-Malaysian International Joint Laboratory of HF-VHF Advanced Radio Astronomy Technology"(202303AP140003);the National Natural Science Foundation of China (NSFC) Joint Fund for Astronomy (JFA) incubator program (U2031133);the International Partnership Program Project of the International Cooperation Bureau of the Chinese Academy of Sciences:"Belt and Road"Cooperation (114A11KYSB20200001);the Kunming Foreign (International) Cooperation Base Program:"Yunnan Observatory of the Chinese Academy of Sciences-University of Malaya Joint R&D Cooperation Base for Advanced Radio Astronomy Technology"(GHJD-2021022);the China-Malaysia Collaborative Research on Space Remote Sensing and Radio Astronomy Observation of Space Weather at Low and Middle Latitudes under the Key Special Project of the State Key R&D Program of the Ministry of Science and Technology for International Cooperation in Science,Technology and Innovation among Governments (2022YFE0140000);the High-precision calibration method for low-frequency radio interferometric arrays for the SKA project of the Ministry of Science and Technology(2020SKA0110300).
Radio antenna arrays have many advantages for astronomical observations,such as high resolution,high sensitivity,multi-target simultaneous observation,and flexible beam formation.Problems surrounding key indices,such ...
关键词：Planar antenna array Sparse optimization Genetic algorithm Wide-angle scanning 
The influence of position errors on stray light in compensation interferometry
《Astronomical Techniques and Instruments》2025年第2期111-118,共8页Yutong Sun Qiang Cheng Longxiang Li Xin Zhang Donglin Xue Xuejun Zhang 
the National Key Research and Development Program of China(2022YFB3403404);the Youth Innovation Promotion Association,CAS(2022213);the National Natural Science Foundation of China(62127901 and 62305334).
Null compensation interferometry is the primary testing method for the manufacture of ultra-high-precision aspheric mirrors.The crosstalk fringes generated by stray light in interferometry can affect accuracy and pote...
关键词：Compensation interferometry Stray light Multi-beam interference Position error 
A quasi-optimal stacking method for up-the-ramp readout images
《Astronomical Techniques and Instruments》2025年第2期119-126,共8页Guanghuan Wang Hu Zhan Zun Luo Chengqi Liu Youhua Xu Chun Lin Yanfeng Wei Wenlong Fan 
supported by the National Key R&D Program of China (2022YFF0503400);the National Natural Science Foundation of China grant (U1931208);China Manned Space Program through its Space Application System.
A detector's nondestructive readout mode allows its pixels to be read multiple times during integration,enabling generation of a series of"up-the-ramp"images that continuously accumulate photons between successive fra...
关键词：Astronomical detectors Infrared observatories Astronomy data reduction Astronomy image processing 
Astronomical Techniques and Instruments Call for papers Special Issue:Radar Astronomy
《Astronomical Techniques and Instruments》2025年第2期I0002-I0003,共2页
About this issue:Radar astronomy is a science that utilizes radar electromagnetic waves to study celestial bodies within and beyond the solar system,focusing mainly on planets,satellites and small bodies such as the M...
关键词：utilize PAYLOAD equipped 
Astronomical Techniques and Instruments Editorial Board
《Astronomical Techniques and Instruments》2025年第2期I0004-I0004,共1页
A precise magnetic modeling method for scientific satellites based on a self-attention mechanism and Kolmogorov-Arnold Networks
《Astronomical Techniques and Instruments》2025年第1期1-9,共9页Ye Liu Xingjian Shi Wenzhe Yang Zhiming Cai Huawang Li 
supported by the National Key Research and Development Program of China(2020YFC2200901)。
As the complexity of scientific satellite missions increases,the requirements for their magnetic fields,magnetic field fluctuations,and even magnetic field gradients and variations become increasingly stringent.Additi...
关键词：Magnetic dipole model Self-attention mechanism Kolmogorov-Arnold networks Alternating current magnetic fields 
Handling class imbalance of radio frequency interference in deep learning-based fast radio burst search pipelines using a deep convolutional generative adversarial network
《Astronomical Techniques and Instruments》2025年第1期10-15,共6页Wenlong Du Yanling Liu Maozheng Chen 
supported by the Chinese Academy of Science"Light of West China"Program(2022-XBQNXZ-015);the National Natural Science Foundation of China(11903071);the Operation,Maintenance and Upgrading Fund for Astronomical Telescopes and Facility Instruments,budgeted from the Ministry of Finance of China and administered by the Chinese Academy of Sciences。
This paper addresses the performance degradation issue in a fast radio burst search pipeline based on deep learning.This issue is caused by the class imbalance of the radio frequency interference samples in the traini...
关键词：Fast radio burst Deep convolutional generative adversarial network Class imbalance Radio frequency interference Deep learning 
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