Ms. Ningjuan Ruan Profile

Ningjuan Ruan

at Beijing Institute of Space Mechanics & Electricity

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Author

Publications (18)

Proceedings Article | 23 January 2023 Paper

Design of a wide field camera for detecting dim targets

Yun-hua Zong, Xu-xia Zhuang, Ting-cheng Zhang, Zheng Wang, Ning-juan Ruan

Proceedings Volume 12557, 125572Q (2023) https://doi.org/10.1117/12.2653366

KEYWORDS: Target detection, Sensors, Signal to noise ratio, Cameras, Space reconnaissance, Space operations

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Proceedings Article | 3 January 2022 Paper

Design of a wide field camera for detecting dim targets

Yunhua Zong, Xuxia Zhaung, Tingcheng Zhang, Zheng Wang, Ningjuan Ruan

Proceedings Volume 12065, 1206542 (2022) https://doi.org/10.1117/12.2606739

KEYWORDS: Target detection, Sensors, Signal to noise ratio, Cameras, Stray light, Satellites, Space reconnaissance, Space operations, Quantum efficiency, Information security

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Proceedings Article | 24 October 2017 Paper

Imaging performance comparison of novel CMOS low-light-level image sensor and electron multiplying CCD sensor

Song Yang, Xuxia Zhuang, Fang Xue, Qian Sun, Ningjuan Ruan

Proceedings Volume 10462, 104623X (2017) https://doi.org/10.1117/12.2285297

KEYWORDS: CMOS sensors, Signal to noise ratio, Electron multiplying charge coupled devices, Image sensors, Photons, Interference (communication), Charge-coupled devices, CCD image sensors, CMOS technology, Sensors

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Proceedings Article | 24 October 2017 Paper

Metalens with mono-layered-film phase compensation mechanism realizing subwavelength focusing

Qian Sun, Shuming Wang, Ningjuan Ruan

Proceedings Volume 10460, 104601L (2017) https://doi.org/10.1117/12.2285294

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Proceedings Article | 6 October 2017 Paper

High-resolution 3D laser imaging based on tunable fiber array link

Sisi Zhao, Ningjuan Ruan, Song Yang

Proceedings Volume 10433, 104330R (2017) https://doi.org/10.1117/12.2278382

KEYWORDS: Image resolution, LIDAR, Laser imaging, Optical arrays, 3D image processing, Distortion, Imaging systems, Sensors, Optical fibers, Signal detection

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Proceedings Article | 3 November 2016 Paper

Quantum enhanced long baseline optical interferometers with noiseless linear amplification and displacement operation

Song Yang, Yun Su, Ningjuan Ruan, Zhiqiang Wu, Xuling Lin

Proceedings Volume 10029, 100290A (2016) https://doi.org/10.1117/12.2247729

KEYWORDS: Telescopes, Interferometers, Image resolution, Long baseline optical interferometry, Astronomy, Optical interferometry, Interferometry, Beam splitters, Space telescopes, Sensors

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Proceedings Article | 21 October 2016 Presentation + Paper

Optimization design and evaluation specifications analysis for the optical remote system with a high spatial resolution

Ningjuan Ruan, Jinping He, Zhaojun Liu, Xiaoyong Wang

Proceedings Volume 9988, 99880J (2016) https://doi.org/10.1117/12.2241350

KEYWORDS: Imaging systems, Image processing, Signal to noise ratio, Spatial resolution, Modulation transfer functions, Optical design, Image quality, Remote sensing, Sensors, Sensing systems

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Proceedings Article | 21 October 2016 Presentation + Paper

Reconstruction method of compressed sensing for remote sensing images cooperating with energy compensation

Jinping He, Ningjuan Ruan, Haibo Zhao, Yuchen Liu

Proceedings Volume 9988, 99880A (2016) https://doi.org/10.1117/12.2241340

KEYWORDS: Image compression, Reconstruction algorithms, Compressed sensing, Associative arrays, Remote sensing, Sensors, Image resolution, Chemical species, Detection and tracking algorithms, Radar imaging

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Proceedings Article | 5 November 2015 Paper

Research on an imaging spectropolarimeter

Xuling Lin, Zheng Wang, Haibo Zhao, Huan Li, Feng Zhou, Ningjuan Ruan

Proceedings Volume 9795, 97951W (2015) https://doi.org/10.1117/12.2216217

KEYWORDS: Polarization, Prisms, Polarizers, Sensors, Fourier transforms, Remote sensing, Spectroscopy, Polarimetry, Visible radiation, Wave plates

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Proceedings Article | 8 October 2015 Paper

Improving noiseless linear amplification for long baseline optical interferometers with squeezing operator

Song Yang, Ningjuan Ruan, Yun Su, Xuling Lin, Zhiqiang Wu

Proceedings Volume 9678, 96780C (2015) https://doi.org/10.1117/12.2197683

KEYWORDS: Image resolution, Telescopes, Space telescopes, Interferometry, Interferometers, Beam splitters, Sensors, Long baseline optical interferometry, Optical interferometry, Astronomy

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Proceedings Article | 8 October 2015 Paper

Detection ability of space-based optical observation system to space debris

Sisi Zhao, Ningjuan Ruan, Xuxia Zhuang

Proceedings Volume 9678, 96780H (2015) https://doi.org/10.1117/12.2199039

KEYWORDS: Visualization, Space operations, Signal to noise ratio, Space telescopes, Sensors, Visual optics, Optical design, Sun, Aerospace engineering, Astronomical imaging

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Proceedings Article | 12 August 2015 Paper

Planar metalens realizing subwavelength focusing

Qian Sun, Qiang Wang, Shuming Wang, Ningjuan Ruan

Proceedings Volume 9624, 962404 (2015) https://doi.org/10.1117/12.2192172

KEYWORDS: Phase shifts, Silver, Ion beams, Light scattering, Scattering, Etching, Finite-difference time-domain method, Lens design, Optical components, Interfaces

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Proceedings Article | 5 August 2015 Paper

A Λ-type soft-aperture LADAR SNR improvement with quantum-enhanced receiver

Song Yang, Ningjuan Ruan, Xuling Lin, Zhiqiang Wu

Proceedings Volume 9621, 96210F (2015) https://doi.org/10.1117/12.2192987

KEYWORDS: LIDAR, Signal to noise ratio, Homodyne detection, Receivers, Fourier transforms, Transmittance, Imaging systems, Computer simulations, Target detection, Numerical simulations

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Proceedings Article | 19 February 2015 Paper

Research on solar-blind UV optical imaging system

Baohua Wang, Yuanyuan Wang, Xiaoming Zhong, Ningjuan Ruan

Proceedings Volume 9449, 94492L (2015) https://doi.org/10.1117/12.2083301

KEYWORDS: Ultraviolet radiation, Ultraviolet detectors, Imaging systems, Optical filters, Optical imaging, Filtering (signal processing), Image filtering, Transmittance, Optical design, Signal processing

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Proceedings Article | 4 December 2014 Paper

Design an active imaging system using squeezed state light

Xuling Lin, Siwen Bi, Song Yang, Zhiqiang Wu, Baohua Wang, Chao Wang, Ningjuan Ruan, Jian Ci

Proceedings Volume 9269, 926913 (2014) https://doi.org/10.1117/12.2071173

KEYWORDS: Microlens array, Imaging systems, Crystals, Light, Light sources, Microlens, Nonlinear crystals, Optical amplifiers, Wave plates, Imaging arrays

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Proceedings Article | 2 September 2014 Paper

Simulation analysis of on-orbit adjustment and compensation for large aperture optical system

Jianfeng Liu, Bo Li, Dewei Sun, Ningjuan Ruan, Feng Zhou

Proceedings Volume 9280, 928003 (2014) https://doi.org/10.1117/12.2068711

KEYWORDS: Mirrors, Monochromatic aberrations, Modulation transfer functions, Zernike polynomials, Error analysis, Wavefronts, Remote sensing, Optical components, Sensors, MATLAB

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Proceedings Article | 21 August 2014 Paper

Design a multi-port THz Fourier transform spectrometer

Xuling Lin, Jianbing Zhang, Zhuo Zhang, Ningjuan Ruan, Zhimin Dai

Proceedings Volume 9233, 923325 (2014) https://doi.org/10.1117/12.2067993

KEYWORDS: Spectroscopy, Terahertz radiation, Fourier transforms, Beam splitters, Sensors, Mirrors, Light sources, Crystals, Spectrometer engineering, Electron beams

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Proceedings Article | 11 September 2013 Paper

Innovative design of a calibration mechanism for the space infrared detector

De-wei Sun, Bo Li, Jian-feng Liu, Ning-juan Ruan

Proceedings Volume 8907, 89073G (2013) https://doi.org/10.1117/12.2033689

KEYWORDS: Magnetism, Calibration, Electromagnetism, Infrared detectors, Control systems, Black bodies, Infrared cameras, Structural design, Reliability, Satellites

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Showing 5 of 18 publications

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