Ms. Sihan Lu Profile

Sihan Lu

at Tsinghua Univ Shenzhen International Graduate School

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Author

Publications (5)

Proceedings Article | 27 November 2024 Paper

High-accuracy and real-time phase solution algorithm based on extended Kalman filter for multi-degree-of-freedom grating interferometer

Yu Ma, Yifeng Wang, Sihan Lu, Shengtong Wang, Xinghui Li

Proceedings Volume 13236, 132360P (2024) https://doi.org/10.1117/12.3036312

KEYWORDS: Signal filtering, Interferometers, Optical gratings, Heterodyning, Field programmable gate arrays

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Proceedings Article | 23 November 2024 Paper

Absolute grating encoder with high-precision and large measurement range

Shengtong Wang, Sihan Lu, Feifan Cao, Linbin Luo, Yifeng Wang, Xinghui Li

Proceedings Volume 13240, 132401H (2024) https://doi.org/10.1117/12.3036290

KEYWORDS: Optical gratings, Sensors, Interferometers, Diffraction gratings, Precision measurement, Signal detection, Laser optics

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Proceedings Article | 23 November 2024 Paper

Robust phase measurement of high-speed signals using frequency tracking lock-in method

Sihan Lu, Yifeng Wang, Xinghui Li

Proceedings Volume 13240, 132401I (2024) https://doi.org/10.1117/12.3036305

KEYWORDS: Interferometers, Signal processing, Phase measurement, Digital signal processing, Optical gratings, Signal filtering, Signal detection

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Proceedings Article | 23 November 2024 Poster + Paper

An efficient exposure fusion method for 3D measurement with high-reflective objects

Zhuang Li, Weikang Chen, Cong Liu, Sihan Lu, Xiang Qian, Xiaohao Wang, Yiqing Zou, Xinghui Li

Proceedings Volume 13239, 132391G (2024) https://doi.org/10.1117/12.3036376

KEYWORDS: Image fusion, Phase shifts, 3D metrology, Phase unwrapping, Cameras, 3D projection, Fringe analysis, Reflection, Metals, Point clouds

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Proceedings Article | 20 November 2024 Paper

Phase measurement method based on sub-sampling solution for high-precision high-speed distance measurement

Linbin Luo, Sihan Lu, Yifeng Wang, Shengtong Wang, Feifan Cao, Guochao Wang

Proceedings Volume 13241, 132410X (2024) https://doi.org/10.1117/12.3036415

KEYWORDS: Heterodyning, Signal processing, Phase measurement, Sampling rates, Interferometers, Laser frequency, Distance measurement, Diffraction gratings, Signal filtering, Pulse signals

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