Dr. Guojie Tu Profile

Dr. Guojie Tu

at Nanjing Univ

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Author

Publications (6)

Proceedings Article | 23 October 2018 Paper

The analysis and comparison of cross-correlation and phase demodulation methods in an OFDR system for strain/temperature sensing

Mengmeng Zhao, Guojie Tu, Benli Yu, Jiping Lin

Proceedings Volume 10821, 1082125 (2018) https://doi.org/10.1117/12.2502715

KEYWORDS: Demodulation, Spatial resolution, Rayleigh scattering, Signal to noise ratio, Optical fibers, Phase shifts, Signal detection, Fiber optics sensors

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Proceedings Article | 23 October 2018 Paper

A phase-sensitive optical time-domain reflectometry system with an electrical I/Q demodulator

Guojie Tu, Benli Yu, Mengmeng Zhao, Jiping Lin

Proceedings Volume 10821, 1082123 (2018) https://doi.org/10.1117/12.2502689

KEYWORDS: Demodulation, Data acquisition, Reflectometry, Photodetectors, Linear filtering, Bragg cells, Data storage, Electronic filtering, Heterodyning, Digital filtering

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Proceedings Article | 8 October 2015 Paper

Investigation of the MQAM modulation schemes in downlink of space optical communication system

Mi Li, Ning Wang, Bowen Li, Xuping Zhang, Yuejiang Song, Yingjie Zhang, Guojie Tu

Proceedings Volume 9679, 967915 (2015) https://doi.org/10.1117/12.2202828

KEYWORDS: Modulation, Telecommunications, Optical communications, Quadrature amplitude modulation, Astronomical imaging, Receivers, Amplitude shift keying, Atmospheric turbulence, Sensors, Laser communications

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Proceedings Article | 10 August 2015 Paper

Investigation on the bit error rate performance of 40Gb/s space optical communication system based on BPSK scheme

Mi Li, Bowen Li, Xuping Zhang, Yuejiang Song, Jia Liu, Guojie Tu

Proceedings Volume 9620, 96200K (2015) https://doi.org/10.1117/12.2193469

KEYWORDS: Optical communications, Telecommunications, Astronomical imaging, Data communications, Avalanche photodetectors, Lithium, Sensors, Atmospheric turbulence, Optical design, Modulation

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Proceedings Article | 24 October 2014 Paper

A novel fiber Bragg grating wavelength demodulation system based on F-P etalon

Gang Yang, Jinghong Guo, Guoliang Xu, Lidong Lv, Guojie Tu, Lan Xia

Proceedings Volume 9270, 92700V (2014) https://doi.org/10.1117/12.2071859

KEYWORDS: Fiber Bragg gratings, Fabry–Perot interferometers, Demodulation, Calibration, Optical filters, Tunable filters, Nonlinear filtering, Temperature metrology, Sensors, Telecommunications

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Proceedings Article | 7 November 2012 Paper

Research on coherent Rayleigh backscattering and signal processing method in phase-OTDR

Xueyi Chen, Xiaolei Zhang, Bing Yan, Jun Li, Xuejun Chen, Guojie Tu, Yunxian Liang, Zhibo Ni, Brian Culshaw, Fengzhong Dong

Proceedings Volume 8421, 8421A3 (2012) https://doi.org/10.1117/12.975203

KEYWORDS: Signal processing, Backscatter, Numerical simulations, Fiber lasers, Geometrical optics, Pulsed laser operation, Refractive index, Linear filtering, Nickel, Spatial resolution

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Showing 5 of 6 publications

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