Search Results - "Xiang, Maosheng"
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A time-resolved picture of our Milky Way’s early formation history
Published in Nature (London) (24-03-2022)“…The formation of our Milky Way can be split up qualitatively into different phases that resulted in its structurally different stellar populations: the halo…”
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2
An Ap Star Catalog Based on LAMOST DR9
Published in The Astrophysical journal (01-02-2023)“…Abstract We present a sample of 2700 Ap stars in the Large Sky Area Multi-Object Fiber Spectroscopic Telescope (LAMOST) DR9 catalog. The candidates are first…”
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3
The Age-dependent Vertical Actions of Young Stars in the Galaxy
Published in The Astrophysical journal (01-09-2024)“…Abstract Stars in the Galactic disk are born on cold, nearly circular orbits with small vertical excursions. After their birth, their orbits evolve, driven by…”
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Airborne Platform Three-Dimensional Positioning Method Based on Interferometric Synthetic Aperture Radar Interferogram Matching
Published in Remote sensing (Basel, Switzerland) (01-05-2024)“…As the demand for precise navigation of aircraft increases in modern society, researching high-precision, high-autonomy navigation systems is both…”
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Extended GLRT Detection of Moving Targets for Multichannel SAR Based on Generalized Steering Vector
Published in Sensors (Basel, Switzerland) (20-02-2021)“…A generalized likelihood ratio test (GLRT) with the constant false alarm rate (CFAR) property was recently developed for adaptive detection of moving targets…”
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A Comprehensive Correction of the Gaia DR3 XP Spectra
Published in The Astrophysical journal. Supplement series (01-03-2024)“…Abstract By combining spectra from the CALSPEC and NGSL, as well as spectroscopic data from the LAMOST Data Release 7 (DR7), we have analyzed and corrected the…”
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Coherent Markov Random Field-Based Unreliable DSM Areas Segmentation and Hierarchical Adaptive Surface Fitting for InSAR DEM Reconstruction
Published in Sensors (Basel, Switzerland) (04-03-2020)“…A digital elevation model (DEM) can be obtained by removing ground objects, such as buildings, in a digital surface model (DSM) generated by the…”
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8
Star Formation Timescales of the Halo Populations from Asteroseismology and Chemical Abundances
Published in The Astrophysical journal (01-05-2021)“…Abstract We combine asteroseismology, optical high-resolution spectroscopy, and kinematic analysis for 26 halo red giant branch stars in the Kepler field in…”
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Synthetic Aperture Ladar Motion Compensation Method Based on Symmetric Triangle Linear Frequency Modulation Continuous Wave Segmented Interference
Published in Remote sensing (Basel, Switzerland) (01-03-2024)“…Synthetic Aperture Ladar (SAL) is a sensor that combines laser detection technology with synthetic aperture technology to achieve ultra-high-resolution…”
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10
A Novel Detection Scheme in Image Domain for Multichannel Circular SAR Ground-Moving-Target Indication
Published in Sensors (Basel, Switzerland) (28-03-2022)“…Circular synthetic aperture radar (CSAR), which can observe the region of interest for a long time and from multiple angles, offers the opportunity for…”
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11
Determining Stellar Elemental Abundances from DESI Spectra with the Data-driven Payne
Published in The Astrophysical journal. Supplement series (01-08-2024)“…Abstract Stellar abundances for a large number of stars provide key information for the study of Galactic formation history. Large spectroscopic surveys such…”
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Erratum: “Determining Stellar Elemental Abundances from DESI Spectra with the Data-driven Payne” (2024, ApJS, 273, 19)
Published in The Astrophysical journal. Supplement series (01-09-2024)Get full text
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13
Reconstructing Intrinsic Stellar Noise with Stellar Atmospheric Parameters and Chromospheric Activity
Published in The Astrophysical journal. Supplement series (01-06-2024)“…Accurately characterizing the intrinsic stellar photometric noise induced by stellar astrophysics, such as stellar activity, granulation, and oscillations, is…”
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14
Relations of Rotation and Chromospheric Activity to Stellar Age for FGK Dwarfs from Kepler and LAMOST
Published in The Astrophysical journal. Supplement series (01-03-2024)“…Abstract The empirical relations between rotation period, chromospheric activity, and age can be used to estimate stellar age. To calibrate these relations, we…”
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Interferometric Calibration Based on a Constrained Evolutionary Algorithm without Ground Control Points for a Tiangong-2 Interferometric Imaging Radar Altimeter
Published in Remote sensing (Basel, Switzerland) (01-10-2023)“…The interferometric imaging radar altimeter (InIRA), mounted on the Tiangong-2 space laboratory, utilizes a small incidence and a short interferometric…”
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16
Ba-enhanced Dwarf and Subgiant Stars in the LAMOST Galactic Surveys
Published in The Astrophysical journal (01-04-2023)“…Abstract Ba-enhanced stars are interesting probes of stellar astrophysics and Galactic formation history. In this work, we investigate the chemistry and…”
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A Coherence Improvement Method Based on Sub-Aperture InSAR for Human Activity Detection
Published in Sensors (Basel, Switzerland) (18-02-2021)“…Human activity detection plays an important role in social security monitoring. Since human activity is very weak, it is necessary to employ the repeat-pass…”
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Multi-Frequency Interferometric Coherence Characteristics Analysis of Typical Objects for Coherent Change Detection
Published in Remote sensing (Basel, Switzerland) (01-04-2022)“…This paper focuses on the study of a multi-frequency interferometric coherence characteristics analysis of typical objects for coherent change detection…”
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Simultaneous Time-Varying Vibration and Nonlinearity Compensation for One-Period Triangular-FMCW Lidar Signal
Published in Remote sensing (Basel, Switzerland) (29-04-2021)“…Frequency modulation continuous wave (FMCW) Lidar inevitably suffers from vibration and nonlinear frequency modulation, which influences the ranging and…”
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Filter Design for Estimation of Stellar Metallicity: Insights from Experiments with Gaia XP Spectra
Published in Astrophysical journal. Letters (01-06-2024)“…We search for an optimal filter design for the estimation of stellar metallicity, based on synthetic photometry from Gaia XP spectra convolved with a series of…”
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