Dr. Jiazheng Ni Profile

Dr. Jiazheng Ni

at Naval Research Academy

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Publications (5)

Proceedings Article | 27 February 2023 Paper

Influence of the shutter opening area in the chimney trunk on the infrared stealth performance of the power exhaust device

Shuai Zhang, Zhongwei Chen, Xiaobo Zhuansun, Xiao Ma, Jiazheng Ni

Proceedings Volume 12585, 125850Q (2023) https://doi.org/10.1117/12.2667816

KEYWORDS: Infrared radiation, Temperature distribution, Infrared technology, Infrared imaging, Infrared detectors, Signal detection, Diffusion, Water, Technology

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Proceedings Article | 18 December 2019 Paper

Small water surface target visual stealth effect evaluation method

Zhongwei Chen, Jiazheng Ni

Proceedings Volume 11335, 1133506 (2019) https://doi.org/10.1117/12.2542942

KEYWORDS: Camouflage, Visible radiation, Oceanography, Visualization, Ocean optics, Water, Target detection, Image quality, RGB color model, Reconnaissance

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Proceedings Article | 9 October 2018 Paper

Water spray infrared extinction calculation and experimental validation

Zhongwei Chen, Li Zhang, Jiazheng Ni

Proceedings Volume 10794, 107940X (2018) https://doi.org/10.1117/12.2323571

KEYWORDS: Infrared radiation, Thermography, Signal attenuation, Infrared imaging, Particles, Transmittance, Fiber optic gyroscopes, Absorption, Monte Carlo methods, Solids

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Proceedings Article | 9 October 2018 Paper

Research on relation model of optical camouflage similarity and identification probability of marine targets

Zhongwei Chen, Jiazheng Ni, Li Zhang, Jun Yu, Jun Dai

Proceedings Volume 10797, 107970W (2018) https://doi.org/10.1117/12.2325342

KEYWORDS: Camouflage, Ocean optics, Target detection, Target recognition, Coastal modeling, Mathematical modeling, Detection and tracking algorithms, Feature extraction, Optical testing, Coating

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Proceedings Article | 9 October 2018 Paper

A cylindrical symplectic multi-resolution time-domain algorithm with perfectly matched layer

Jiazheng Ni, Zhongwei Chen, Xingji Tang, Li Zhang

Proceedings Volume 10788, 107880S (2018) https://doi.org/10.1117/12.2325131

KEYWORDS: Dispersion, Electromagnetic simulation, Finite-difference time-domain method, Algorithm development, Radio propagation, Electromagnetism, Numerical simulations, Detection and tracking algorithms, Nickel, Lithium

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