Search Results - "Rao, Ruizhong"

Parametric Analytical Modulation Transfer Function Model in Turbid Atmosphere with Application to Image Restoration by Guo, Mengxing, Wu, Pengfei, Fan, Zizhao, Lu, Hao, Rao, Ruizhong

“…To address the issues of image blurring and color distortion in hazy conditions, an image restoration method based on a parametric analytical modulation…”
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Effects of Atmospheric Coherent Time on Inverse Synthetic Aperture Ladar Imaging through Atmospheric Turbulence by Abdukirim, Azezigul, Ren, Yichong, Tao, Zhiwei, Liu, Shiwei, Li, Yanling, Deng, Hanling, Rao, Ruizhong

“…Inverse synthetic aperture ladar (ISAL) can achieve high-resolution images for long-range moving targets, while its performance is affected by atmospheric…”
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Science and technology of atmospheric effects on optical engineering：Progress in 3rd quinquennium of 21st century by Rao, RuiZhong

“…Brief introduction with remarks is given for recent work in optical properties of turbulent and turbid atmospheres and their effects on optical engineering…”
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Equivalence of MTF of a turbid medium and radiative transfer field by 饶瑞中

“…The equivalence of the modulation transfer function （MTF） of a turbid medium and the transmitted radiance from the medium under isotropic diffuse illumination…”
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Spatial Fluctuations of Optical Turbulence Strength in a Laboratory Turbulence Simulator by Li, Yanling, Mei, Haiping, Ye, Shuran, Tao, Zhiwei, Deng, Hanling, Wu, Xiaoqing, Rao, Ruizhong

“…Controlled turbulence simulators in the laboratory have been extensively employed to investigate turbulence effects on light propagation in the atmosphere,…”
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Numerical investigation on propagation effects of pseudo-partially coherent Gaussian Schell-model beams in atmospheric turbulence by Qian, Xianmei, Zhu, Wenyue, Rao, Ruizhong

“…The propagation effects of spatially pseudo-partially coherent Gaussian Schell-model beams in atmosphere are investigated numerically. The characteristics of…”
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Scintillation of Computational Ghost Imaging with a Finite Bucket Detector through Atmospheric Turbulence by Deng, Hanling, Wu, Pengfei, Tao, Zhiwei, Li, Xinmiao, Li, Yanling, Rao, Ruizhong, Ren, Yichong

“…Based on the extended Huygens–Fresnel principle and infinitely long phase screen, the scintillation index and the aperture averaging effect of partially…”
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A Model for Predicting Coastal Aerosol Size Distributions in Chinese Seas by Pan, Yue, Cui, Shengcheng, Rao, Ruizhong

“…Aerosol is a key factor in the study of interactions between light and radiation. In coastal environments, the diversity and complexity of aerosol components…”
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Aerosol characteristics including fumigation effect under weak precipitation over the southeastern coast of China by Zhang, Xiaolin, Huang, Yinbo, Rao, Ruizhong

“…Aerosol size distribution, total number concentration, scattering coefficient and absorption coefficient were measured in Quanzhou on the southeastern coast of…”
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Measuring atmospheric turbulence strength based on differential imaging of light column by 黄宏华 崔朝龙 朱文越 侯再红 吴毅 饶瑞中

“…We propose and experimentally evaluate a novel approach to measure atmospheric turbulence, in which imaging of light column technology is integrated into a…”
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Improved single image dehazing using segmentation by Shuai Fang, Jiqing Zhan, Yang Cao, Ruizhong Rao

“…In the hazy weather, the image of outdoor scene is degraded by suspended particles. Scattering and absorption hinder scene radiance and bring in environment…”
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General optical scintillation in turbulent atmosphere by 饶瑞中

“…A general expression of the scintillation index is proposed for optical wave propagating in turbulent atmosphere under arbitrary fluctuation conditions. The…”
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Analytic MTF Expression for a Turbid Medium by Rao, Ruizhong

“…The multiple light scattering in a turbid medium degrades imaging through the medium. The degradation can be quantitatively described by the modulation…”
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Mitigating the effect of atmospheric turbulence on orbital angular momentum-based quantum key distribution using real-time adaptive optics with phase unwrapping by Tao, Zhiwei, Ren, Yichong, Abdukirim, Azezigul, Liu, Shiwei, Rao, Ruizhong

“…Quantum key distribution (QKD) employed orbital angular momentum (OAM) for high-dimensional encoding enhances the system security and information capacity…”
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Use of weather research and forecasting model outputs to obtain near-surface refractive index structure constant over the ocean by Qing, Chun, Wu, Xiaoqing, Li, Xuebin, Zhu, Wenyue, Qiao, Chunhong, Rao, Ruizhong, Mei, Haipin

“…The methods to obtain atmospheric refractive index structure constant (Cn2) by instrument measurement are limited spatially and temporally and they are more…”
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Equivalent refractive-index structure constant of non-Kolmogorov turbulence by Li, Yujie, Zhu, Wenyue, Wu, Xiaoqing, Rao, Ruizhong

“…The relationship between the non-Kolmogorov refractive-index structure constant and the Kolmogorov refractive-index structure constant is derived by using the…”
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Does the degree of polarization of vector beams remain unchanged on atmospheric propagation? by Tao, Zhiwei, Abdukirim, Azezigul, Dai, Congming, Wu, Pengfei, Mei, Haiping, Luo, Chuankai, Feng, Yunsong, Rao, Ruizhong, Wei, Heli, Ren, Yichong

“…All roads lead to Rome. In this article we propose a novel theoretical framework to demonstrate vector beams whose degree of polarization does not change on…”
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Longitudinal spatial coherence of computational ghost imaging through atmospheric turbulence by Deng, Hanling, Ren, Yichong, Tao, Zhiwei, Li, Xinmiao, Abdukirim, Azezigul, Li, Yanling, Rao, Ruizhong, Wu, Pengfei

“…Abstract The resolution and imaging quality of ghost imaging is determined by the longitudinal spatial coherence (LSC) of speckle beams on the signal and…”
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Estimating the surface layer refractive index structure constant over snow and sea ice using Monin-Obukhov similarity theory with a mesoscale atmospheric model by Qing, Chun, Wu, Xiaoqing, Huang, Honghua, Tian, Qiguo, Zhu, Wenyue, Rao, Ruizhong, Li, Xuebin

“…Since systematic direct measurements of refractive index structure constant ( Cn2) for many climates and seasons are not available, an indirect approach is…”
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Black carbon aerosols in urban central China by Zhang, Xiaolin, Rao, Ruizhong, Huang, Yinbo, Mao, Mao, Berg, Matthew J., Sun, Wenbo

“…The first ever (to our knowledge), year-round measurements of Black Carbon (BC) aerosols in Hefei, an urban site of central China, from June 2012 to May 2013…”
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