Dr. Xuejun Long Profile

Dr. Xuejun Long

at Topplus Tech Co Ltd

SPIE Involvement:

Author

Publications (7)

Proceedings Article | 3 February 2015 Paper

Simulation study on fiber-coupling efficiency for quantum communication through atmospheric turbulence

Xuejun Long, Bo Qi, Ge Ren, Sanhong Wang, Haotong Ma, Jiang Bian

Proceedings Volume 9255, 92553M (2015) https://doi.org/10.1117/12.2065310

KEYWORDS: Atmospheric turbulence, Quantum communications, Atmospheric modeling, Multimode fibers, Quantum efficiency, Signal detection, Single mode fibers, Optical fibers, Optical simulations, Mirrors

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SPIE Journal Paper | 21 November 2014

Adaptive contoured correlation interferometry and its application to differential synthetic aperture radar interferometry

Xuejun Long, Qifeng Yu, Sihua Fu, Bo Qi, Ge Ren

JARS, Vol. 8, Issue 01, 083513, (November 2014) https://doi.org/10.1117/12.10.1117/1.JRS.8.083513

KEYWORDS: Interferometry, Boxcar filters, Digital filtering, Interferometric synthetic aperture radar, Earthquakes, Synthetic aperture radar, Image filtering, Data processing, Phase interferometry, Speckle

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SPIE Journal Paper | 22 May 2013 Open Access

Contoured window correlation interferometry for synthetic aperture radar interferometry based on three parts of complex images

Jianhua Shi, Sihua Fu, Xuejun Long, Xia Yang, Qifeng Yu

JARS, Vol. 7, Issue 01, 073559, (May 2013) https://doi.org/10.1117/12.10.1117/1.JRS.7.073559

KEYWORDS: Interferometry, Interferometric synthetic aperture radar, Phase interferometry, Image registration, Synthetic aperture radar, Data processing, Image filtering, Fringe analysis, Image processing, Speckle

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SPIE Journal Paper | 1 February 2010

Coherence estimation method and its application to phase unwrapping

Sihua Fu, Xuejun Long, Xia Yang

JARS, Vol. 4, Issue 01, 043505, (February 2010) https://doi.org/10.1117/12.10.1117/1.3328871

KEYWORDS: Interferometric synthetic aperture radar, Coherence (optics), Image processing, Radar, Head, Interferometry, Algorithm development, Data processing, Speckle, Synthetic aperture radar

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Proceedings Article | 30 October 2009 Paper

Generation of interferogram for D-InSAR based on contoured correlation interferometry

Xuejun Long, Sihua Fu, Qifeng Yu, Xia Yang

Proceedings Volume 7498, 749826 (2009) https://doi.org/10.1117/12.832792

KEYWORDS: Interferometry, Interferometric synthetic aperture radar, Earthquakes, Data processing, Fringe analysis, Speckle, Synthetic aperture radar, Phase interferometry, Data centers, Image processing

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Proceedings Article | 6 February 2008 Paper

Coherent beam combination of fiber lasers based on the stochastic parallel gradient descent algorithm

Xuejun Long, Yonghui Liang, Xiaojun Xu, Sanhong Wang, Qifeng Yu

Proceedings Volume 6823, 682319 (2008) https://doi.org/10.1117/12.757032

KEYWORDS: Fiber lasers, Numerical simulations, Coherent beam combination, Stochastic processes, Laser systems engineering, Optimization (mathematics), Algorithm development, Charge-coupled devices, Laser development, High power fiber lasers

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Proceedings Article | 6 February 2008 Paper

Beam cleanup technique based on stochastic parallel gradient descent wavefront control method

Yonghui Liang, Sanhong Wang, Xuejun Long, Qifeng Yu

Proceedings Volume 6823, 68230H (2008) https://doi.org/10.1117/12.757094

KEYWORDS: Wavefronts, Deformable mirrors, Control systems, Adaptive optics, Stochastic processes, Actuators, High power lasers, Numerical simulations, Resonators, Sensors

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Showing 5 of 7 publications

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