Mr. Weijie Ren Profile

Weijie Ren

at Shanghai Institute of Optics and Fine CAS

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Author

Publications (7)

Proceedings Article | 24 November 2023 Paper

Research on wavelength hopping low probability of intercept coherent LiDAR technology

Lingling Xu, Jianfeng Sun, Qian Xu, Zhiyong Lu, Longkun Zhang, Chaoyang Li, Weijie Ren, Yuxin Jiang, Hanrui Pan

Proceedings Volume 12935, 129353U (2023) https://doi.org/10.1117/12.3007838

KEYWORDS: LIDAR, Signal to noise ratio, Target detection, Emission wavelengths, Phase modulation, Signal detection, Laser countermeasures, Laser applications

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Proceedings Article | 24 November 2023 Paper

Mitigation of the impact of Doppler shift on ranging accuracy

Chaoyang Li, Jianfeng Sun, Zhiyong Lu, Yu Zhou, Longkun Zhang, Weijie Ren, Yuxin Jiang, Lingling Xu, Hanrui Pan, Weibiao Chen, Hui He

Proceedings Volume 12935, 1293520 (2023) https://doi.org/10.1117/12.3007376

KEYWORDS: Ranging, Doppler effect, Interpolation, Distance measurement, Retroreflectors, Modulation, Velocity measurements, Electro optical modeling

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Proceedings Article | 3 October 2023 Poster + Paper

Automatic bias control technology of IQ modulator for optical QPSK transmitter based on envelope detection

Weijie Ren, Jianfeng Sun, Hongshun Ye

Proceedings Volume 12691, 126910Y (2023) https://doi.org/10.1117/12.2675692

KEYWORDS: Signal detection, Modulation, Transmitters, Automatic control, Optical communications, Photodetectors, Optical coherence, Modulation frequency, Digital signal processing, Signal processing

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Proceedings Article | 3 October 2023 Poster + Paper

Sequential reset method of phase shifter in beam phase control

Yuxin Jiang, Jianfeng Sun, Peipei Hou, Weijie Ren, Lingling Xu, Chaoyang Li, Longkun Zhang, Hanrui Pan, Wendi Gao

Proceedings Volume 12691, 126910Z (2023) https://doi.org/10.1117/12.2676243

KEYWORDS: Phase shifts, Beam divergence, Beam controllers, Phased array optics, Phase shift keying, Oscilloscopes, Digital signal processing, Optical simulations, Reflection, Beam splitters

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Proceedings Article | 30 September 2022 Paper

Fast phase locking method for homodyne laser communication based on direct phase control

Weijie Ren, Jianfeng Sun, Peipei Hou, Ronglei Han, Hongyu He, Haisheng Cong, Chaoyang Li, Longkun Zhang, Yuxin Jiang

Proceedings Volume 12237, 122370L (2022) https://doi.org/10.1117/12.2632040

KEYWORDS: Mode locking, Oscillators, Phase shift keying, Optical communications, Laser communications, Homodyne detection, Filtering (signal processing), Telecommunications, Signal detection, Optical networks

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Proceedings Article | 1 August 2021 Poster + Presentation + Paper

Research on coherent accumulation of multi-aperture receiver array based on FMCW coherent lidar

Haisheng Cong, Jianfeng Sun, Zhiyong Lu, Hongyu He, Ronglei Han, Weijie Ren, Longkun Zhang, Yuxin Jiang, Chaoyang Li

Proceedings Volume 11831, 118310Q (2021) https://doi.org/10.1117/12.2593908

KEYWORDS: Receivers, Signal to noise ratio, LIDAR, Signal detection, Imaging systems, Scattering, Atmospheric turbulence, Transmitters, Picosecond phenomena, Light scattering

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Proceedings Article | 22 August 2020 Poster + Paper

Method on improving the performance of the optical phased array with large number of emitting elements

Ronglei Han, Jianfeng Sun, Peipei Hou, Hongyu He, Weijie Ren, Haisheng Cong, Longkun Zhang

Proceedings Volume 11506, 115060S (2020) https://doi.org/10.1117/12.2567867

KEYWORDS: Phased array optics, Optical components, Evolutionary algorithms, Computer simulations, Optical simulations, Laser communications, Phase shifts, Control systems

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Showing 5 of 7 publications

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