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检索条件"机构=Key Laboratory of Time Reference and Applications"
63 条 记 录,以下是1-10 订阅
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Study on the One-year Accuracy of Pulsar time-scale
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Research in Astronomy and Astrophysics 2025年 第1期25卷 282-296页
作者: Linlin Wang Zhehao Zhang Chengshi Zhao Zongke Li Minglei Tong National Time Service Center Chinese Academy of Sciences Key Laboratory of Time Reference and Applications Chinese Academy of Sciences University of Chinese Academy of Sciences
Determining accurate pulsar timing model parameters is essential for establishing TT(PT), a realization of Terrestrial time (TT) based on a pulsar timescale (PT). This study discusses the impact of different data span... 详细信息
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Report on 3,143.6-km time and Frequency Transfer Fiber Link with Ps-level Stability
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Chinese Physics Letters 2025年 第1期42卷 68-72页
作者: Bo Liu Xinxing Guo Jiang Chen Yanli Zhou Tao Liu Ruifang Dong Shougang Zhang National Time Service Center Chinese Academy of SciencesXi'an 710600China University of Chinese Academy of Sciences Beijing 100039China Key Laboratory of Time Reference and Applications Chinese Academy of SciencesXi'an 710600China China Mobile Communications Group Shaanxi Co. LtdXi'an 710600China
This letter describes the implementation of a high-precision time and frequency transmission system using a two-way and wavelength division multiplexing scheme over 3,143.6 km of field fiber links,connecting 21 sites ... 详细信息
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Modulation of Bessel-like vector vortex beam using the resonant magneto-optical effect in rubidium vapor
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Chinese Physics B 2025年 第2期34卷 274-280页
作者: Yan Ma Xin Yang Hong Chang Ming-Tao Cao Xiao-Fei Zhang Rui-Fang Dong Shou-Gang Zhang Key Laboratory of Time Reference and Applications National Time Service CenterChinese Academy of Sciences(CAS)Xi’an 710600China School of Astronomy and Space Science University of Chinese Academy of SciencesBeijing 100049China Ministry of Education Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter Shaanxi Province Key Laboratory of Quantum Information and Quantum Optoelectronic DevicesSchool of PhysicsXi’an Jiaotong UniversityXi’an 710049China Department of Physics Shaanxi University of Science and TechnologyXi’an 710021China Hefei National Laboratory Hefei 230088China
The Bessel-like vector vortex beam(BlVVB)has gained increasing significance across numerous ***,its practical application is restricted by manufacturing difficulties and polarization ***,the ability to manipulate its ... 详细信息
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Accuracy degradation rate of LEO satellite-predicted orbits using different POD methods
Accuracy degradation rate of LEO satellite-predicted orbits ...
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2025 International Technical Meeting of The Institute of Navigation, ITM 2025
作者: Liu, Jiawei Wang, Kan Chen, Beixi El-Mowafy, Ahmed Allahvirdi-Zadeh, Amir Yang, Xuhai National Time Service Center Chinese Academy of Sciences Xi'an China University of Chinese Academy of Sciences Beijing China Key Laboratory of Time Reference and Applications Chinese Academy of Sciences Xi'an China School of Earth and Planetary Sciences Curtin University Perth Australia
To achieve high-accuracy positioning and timing in real time using Low Earth Orbit (LEO) navigation signals, the precision of the orbital products is of high necessity. Reduced-dynamic LEO satellite Precise Orbit dete... 详细信息
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Nonlinear dynamics in an artificial feedback spin maser
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Physical Review A 2025年 第2期111卷 023118-023118页
作者: Mingjun Feng Lan Wu Guobin Liu National Time Service Center Chinese Academy of Sciences Xi'an 710600 China School of Astronomy and Space Science University of Chinese Academy of Sciences Beijing 100049 China Key Laboratory of Time Reference and Applications Chinese Academy of Sciences Xi'an 710600 China
Spin masers with optical detection and artificial feedback are widely used in fundamental and practical applications. However, a full picture of the maser dynamics is still absent. By solving the feedback-driven Bloch... 详细信息
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Novel compensation technique for mitigating dispersion in fiber-optic microwave frequency transfer systems
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Chinese Optics Letters 2025年 第2期 13-18页
作者: 鱼少少 赵文宇 王鑫 李杏花 张首刚 Key Laboratory of Time Reference and Applications National Time Service Center Chinese Academy of Sciences University of Chinese Academy of Sciences
In this paper, a novel compensation technique is presented for mitigating dispersion in fiber optic microwave frequency transfer systems. By introducing an additional carrier light into the transmission link, the syst...
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Doppler Positioning Using Multi-Constellation LEO Satellite Broadband Signals as Signals of Opportunity
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Navigation, Journal of the Institute of Navigation 2025年 第2期72卷
作者: Allahvirdi-Zadeh, Amir El-Mowafy, Ahmed Wang, Kan School of Earth and Planetary Sciences Curtin University GPO Box U1987 PerthWA6845 Australia National Time Service Center Chinese Academy of Sciences Xi’an China University of Chinese Academy of Sciences Beijing China Key Laboratory of Time Reference and Applications Chinese Academy of Sciences Xi’an China
This paper investigates the potential of signals of opportunity for positioning using broadband low Earth orbit constellations. We developed analytical absolute and differential models based on Doppler-shift observati... 详细信息
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Precise spectroscopy of metastable Li+using the optical Ramsey technique in support of time dilation tests
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Photonics Research 2025年 第1期13卷 201-209页
作者: PENG-PENG ZHOU SHAO-LONG CHEN CHENG-GANG QIN XU-RUI CHANG ZHI-QIANG ZHOU WEI SUN YAO HUANG KE-LIN GAO HUA GUAN State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics Innovation Academy for Precision Measurement Science and TechnologyChinese Academy of SciencesWuhan 430071China Information Engineering University Zhengzhou 450001China Key Laboratory of Time Reference and Applications Chinese Academy of SciencesWuhan 430206China MOE Key Laboratory of Fundamental Physical Quantities Measurement&Hubei Key Laboratory of Gravitation and Quantum Physics PGMF and School of PhysicsHuazhong University of Science and TechnologyWuhan 430074China University of Chinese Academy of Sciences Beijing 100049China Key Laboratory of Green and High-end Utilization of Salt Lake Resources Qinghai Institute of Salt LakesChinese Academy of SciencesXining 810008China Wuhan Institute of Quantum Technology Wuhan 430206China
time dilation constitutes a crucial aspect of Lorentz invariance within special relativity and undergoes constant scrutiny through numerous Ives-Stilwell-type experiments employing the Doppler *** our study,we employe... 详细信息
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Clock laser noise constraining synchronous comparison of spin-squeezed optical clocks
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Physics Letters, Section A: General, Atomic and Solid State Physics 2025年 552卷
作者: Yu, Deshui Zhang, Shougang Chen, Jingbiao National Time Service Center Chinese Academy of Sciences Xi'an710600 China Key Laboratory of Time Reference and Applications Chinese Academy of Sciences Xi'an710600 China University of Chinese Academy of Sciences Beijing100049 China State Key Laboratory of Photonics and Communications Institute of Quantum Electronics School of Electronics Peking University Beijing100871 China Hefei National Laboratory Hefei230088 China
Spin squeezing has been recognized as a powerful tool to overcome the quantum projection noise limit that is imposed on optical clocks with uncorrelated atoms. Yet, the full potential of spin squeezing remains underut... 详细信息
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Quantum microwave photonic mixer featuring high linearity and dual outputs
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Physical Review Applied 2025年 第1期23卷 014078-014078页
作者: Xinghua Li Yifan Guo Xiao Xiang Runai Quan Junjie Xing Ruifang Dong Tao Liu Mingtao Cao Ming Li Key Laboratory of Time Reference and Applications National Time Service Center Chinese Academy of Sciences Xi’an 710600 Shaanxi China School of Astronomy and Space Science University of Chinese Academy of Sciences 100049 Beijing China Hefei National Laboratory Hefei 230088 Anhui China State Key Laboratory on Integrated Optoelectronics Institute of Semiconductors Chinese Academy of Sciences 100083 Beijing China School of Electronic Electrical and Communication Engineering University of Chinese Academy of Sciences 100049 Beijing China Center of Materials Science and Optoelectronics Engineering University of Chinese Academy of Sciences 100190 Beijing China
Microwave frequency mixing is a fundamental functionality in microwave photonics, playing a crucial role in modern radar and wireless communication systems. Classical microwave photonic mixers require both the radio f... 详细信息
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