Contents
2021
Volume: 50 Issue 6
34 Article(s)

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Spatiotemporal pattern of aerosol types over the Bohai and Yellow Seas observed by CALIOP
Tingwei Cui, Tingxuan Huang, Bing Mu, Fei Gao, Yanfang Xiao, Rongjie Liu, Yi Ma, and Jie Zhang
Based on the 14 years(2006-2019) CALIOP data and up-to-date lidar aerosol classification method, the dominant aerosol types and the vertical distribution characteristics over the Bohai and Yellow Sea within the height range of 0.28-8.17 km were identified, and the long-term variability and seasonality were revealed. (1
Infrared and Laser Engineering
  • Publication Date: Jun. 25, 2021
  • Vol. 50, Issue 6, 20211030 (2021)
Estimation of organic carbon stocks in the East China Sea
Xiaoyu Cui, Wentao Xu, Qirui Guan, Weizhou Luo, Minran Li, Yudi Zhou, Peituo Xu, Bin Liu, Sunqiang Pan, Chong Liu, Qun Liu, and Dong Liu
The estimation of ocean organic carbon stocks plays an important role in researching on the process of carbon cycle and predicting climate changes. The ocean organic carbon stocks can be estimated using remote sensing reflectance, water optical properties and other parameters. According to the properties of water in th
Infrared and Laser Engineering
  • Publication Date: Jun. 25, 2021
  • Vol. 50, Issue 6, 20211031 (2021)
Application of hyperspectral imager and lidar in marine biological detection
Sailing He, Shuo Li, Xiang Chen, Zhanpeng Xu, Qiuwan Bian, Jing Luo, and Longqiang Luo
Oceans are continuous waters that cover more than 70% of the earth's surface. The optical monitoring of marine life is very important for the protection of marine ecosystem. In this paper, a review on our recent work in the construction of compact hyperspectral spectrometers and lidar systems and their applications
Infrared and Laser Engineering
  • Publication Date: Jun. 25, 2021
  • Vol. 50, Issue 6, 20211033 (2021)
Extracting sea water depth by image processing of ocean lidar
Yifan Huang, Yan He, Shanjiang Hu, Chunhe Hou, Xiaolei Zhu, Kaipeng Li, Fanghua Liu, Yongqiang Chen, and Shouchuan Guo
Airborne lidars have been used in shallow sea surveying and mapping. The water depth extraction algorithm is vital in assessing the system’s maximum sounding ability, similar to lasers, receiving telescopes, and detectors. The conventional water depth extraction algorithm processes the single waveform data and measures
Infrared and Laser Engineering
  • Publication Date: Jun. 25, 2021
  • Vol. 50, Issue 6, 20211034 (2021)
Overview of inversion methods of ocean subsurface particulate backscattering coefficient by using CALIOP data
Yuting Tao, Hongkai Zhao, Yudi Zhou, Wenqi Zhuo, Qun Liu, Xiaoyu Cui, Bin Liu, Chengfeng Le, Sunqiang Pan, Chong Liu, and Dong Liu
Particulate backscatter coefficient (bbp) is the core parameter of ocean optics when applied to marine ecology and biogeochemistry. However, the current commonly used in-situ methods can not carry out large-scale detection in a short time, and passive ocean color remote sensing can not work under dark and cloudy condit
Infrared and Laser Engineering
  • Publication Date: Jun. 25, 2021
  • Vol. 50, Issue 6, 20211037 (2021)
Image Processing
Infrared video image stabilization algorithm based on joint camera path
Lihua Yin, Juan Hang, Liang Kang, and Shijian Liu
Infrared and Laser Engineering
  • Publication Date: Jun. 25, 2021
  • Vol. 50, Issue 6, 20200405 (2021)
Underwater degraded image–sharpening method based on optimal polarization parameter reconstruction
Ronghua Li, Zhichao Tang, Junfeng Piao, and Hongliang Li
In order to solve the problems of blurred image and low contrast caused by the absorption and scattering of underwater light by turbid water, an algorithm of underwater image optimal restoration based on global polarization parameter estimation was proposed. Firstly, the local minimum filter was used to estimate the un
Infrared and Laser Engineering
  • Publication Date: Jun. 25, 2021
  • Vol. 50, Issue 6, 20200426 (2021)
SAR target recognition using feature fusion by 2D compressive sensing with multiple random projection matrices
Jianbo Wu, Zhengwu Lu, Yurong Guan, Qingdong Wang, and Guosong Jiang
A synthetic aperture radar (SAR) target recognition was proposed using multi-layer projection feature based on 2D compressive sensing. 2D compressive sensing projection was employed as the basic feature extraction algorithm, which had the advantages of low dependency on the training samples, high efficiency, etc. Sever
Infrared and Laser Engineering
  • Publication Date: Jun. 25, 2021
  • Vol. 50, Issue 6, 20200531 (2021)
Infrared Technology and Application
Study on the material removal mechanism of ZnSe crystal via ultra-precision diamond turning
Ruiwen Geng, Qiming Xie, Wanqing Zhang, Jie Kang, Yueqing Liang, Xiaojing Yang, and Rui Li
Infrared and Laser Engineering
  • Publication Date: Jun. 25, 2021
  • Vol. 50, Issue 6, 20200403 (2021)
Analysis of formulae in DIMM and the verified experiment
Longkun Yu, Bing He, Hong Shen, Xiaohui Wen, and Zhixiang Li
The Differential Image Motion Monitor (DIMM) is a widely used instrument for measuring atmospheric coherence length. The miniaturization of the instrument is limited by the requirement of receiving sub-aperture in the traditional formulae. Through theoretical analysis and numerical calculation, the physical meaning of
Infrared and Laser Engineering
  • Publication Date: Jun. 25, 2021
  • Vol. 50, Issue 6, 20200414 (2021)
Research on testing of active and passive HgCdTe APD detector in linear mode
Qiwen Zhang, Qinghua Liang, Huijun Guo, Honglei Chen, and Ruijun Ding
The mercury cadmium telluride avalanche photodiode (HgCdTe APD) detector can simultaneously obtain the intensity information and time information of the target object in the active and passive mode, to realize real-time three-dimensional detection. The testing method of high-resolution time calibration is the basis for
Infrared and Laser Engineering
  • Publication Date: Jun. 25, 2021
  • Vol. 50, Issue 6, 20200460 (2021)
Optical Communication and Sensing
Development of optical antenna for middle infrared laser communication terminal
Xinrui Xu, Xiangxiang Meng, Shichen Wu, Jianlong Wang, and Suping Bai
In order to reduce the tolerance of laser communication optical system, save the development cost, and reduce the influence of atmospheric scattering on laser communication link, the middle infrared laser with its wavelength working at the atmosphere window was used as the laser communication light source, and a matchi
Infrared and Laser Engineering
  • Publication Date: Jun. 25, 2021
  • Vol. 50, Issue 6, 20200331 (2021)
Optical fiber network abnormal data detection algorithm based on deep learning
Yunpeng Liu, Xiaoli Huo, and Zhichao Liu
The rapid identification of abnormal data from the massive data of large-scale optical fiber networks is a key issue of optical fiber communication technology. It is also an important research direction in optimizing optical fiber communication networks and improving communication accuracy in recent years. It mainly so
Infrared and Laser Engineering
  • Publication Date: Jun. 25, 2021
  • Vol. 50, Issue 6, 20210029 (2021)
Optical Design
Lightweight structural design of rectangular space mirror assembly
Huidong Qu, Jiali Wei, Deyi Dong, Haifei Hu, and Yingjun Guan
According to the structural design requirements of a 700 mm×249 mm rectangular space mirror assembly, the mirror and its support structure were designed in detail. First of all, from the perspectives of material selection, diameter-to-thickness ratio, support scheme and lightweight form, the structure design of th
Infrared and Laser Engineering
  • Publication Date: Jun. 25, 2021
  • Vol. 50, Issue 6, 20200404 (2021)
Design of PGP imaging spectrometer with eliminating spectral line bending
Zhikun Wu, Entao Shi, and Yongmei Wang
A method was put forward to eliminate spectral line bending (Smile) of Prism-Grating-Prism(PGP) spectrometer by reducing the vertex angle of the first prism and combining with off-axis slit and the distortion of convergent lens. The method could be used to retain the Bragg diffraction and coaxial characteristic of the
Infrared and Laser Engineering
  • Publication Date: Jun. 25, 2021
  • Vol. 50, Issue 6, 20200433 (2021)
Fish-eye lens system design based on sixth-order wave aberration theory
Guozhu Hou, Lijun Lv, and Yiqing Cao
The fish-eye lens system has the characteristics of plane symmetry, large field of view and large aperture imaging. That makes fish-eye lens design very complicated. Wave aberration theory is an important means to study optical system. Because the fish-eye lens system has the imaging characteristics of plane symmetry,
Infrared and Laser Engineering
  • Publication Date: Jun. 25, 2021
  • Vol. 50, Issue 6, 20200505 (2021)
Solving initial structure of bifocal system according to theory of paraxial optics
Xiao Liang, Huilin Jiang, Hao Sun, Chunyan Wang, and Huan Liu
In order to get the initial structure of the bifocal optical system quickly, a bifocal and dual-field optical system was designed according to the theory of paraxial optics. The initial position of the optical elements near the axis of the optical system was solved by Gauss optics theory and the principle of object and
Infrared and Laser Engineering
  • Publication Date: Jun. 25, 2021
  • Vol. 50, Issue 6, 20200523 (2021)
Effect of ambient humidity on scattering characteristics of optical mirror surface
Zhuang Chen, Boyu Tian, Lin Miao, Nianchun Sun, and Bin Zhang
In imaging optical system, the relative humidity of the environment will affect the scattering characteristics of the optical mirror surface covered with polluted particles and further affect the performance of the system. According to the hygroscopicity, the polluted particles were divided into hydrophilic particles a
Infrared and Laser Engineering
  • Publication Date: Jun. 25, 2021
  • Vol. 50, Issue 6, 20210041 (2021)
Optical Devices
Optimal design of natural frequency of two-degree-of-freedom fast steering mirror system
Weifan Zhang, Changxiang Yan, Zhiliang Gao, Siyu Wang, Xiao Shen, Jing Yuan, and Youzhi Dong
In the design of a two-degree-of-freedom fast steering mirror system, in order to increase the control bandwidth of the system, the low-order natural frequency in the working direction should be reduced as much as possible, and the high-order natural frequency in the non-working direction should be increased. This subj
Infrared and Laser Engineering
  • Publication Date: Jun. 25, 2021
  • Vol. 50, Issue 6, 20200450 (2021)
Miniaturized and highly integrated broadband optical transceiver assembly
Maoxu Wang, You Yu, Zhenhua Tang, Yongchuan Xiao, Chao Wang, and Hui Gao
At present, the volume and cost of discrete photonic devices severely restrict the application of microwave photonic technology in radar systems. Limited by the current integration capabilities and material systems, microwave photonic monolithic integrated chip is difficult to realize in a short time. Aiming at the urg
Infrared and Laser Engineering
  • Publication Date: Jun. 25, 2021
  • Vol. 50, Issue 6, 20200513 (2021)
Research on structure design of optical mount with high stability in laser system
Chao Zhang, Gengxiu Tang, Zhigang Liu, Liunian Zheng, Youen Jiang, Donghui Zhang, and Jianqiang Zhu
Infrared and Laser Engineering
  • Publication Date: Jun. 25, 2021
  • Vol. 50, Issue 6, 20210087 (2021)
Photoelectric Measurement
Design and verification of multi-mode GNSS pseudo-range combined positioning method
Kexun Chen, Deng'ao Li, and Wei Qiu
In a complex geomorphic environment where satellite signals are severely interfered with, due to the small number of visible satellites and poor satellite signal quality, the accuracy of single-mode satellite positioning and navigation has been unsatisfactory, especially for dynamic navigation and positioning accuracy.
Infrared and Laser Engineering
  • Publication Date: Jun. 25, 2021
  • Vol. 50, Issue 6, 2021G006 (2021)
Homodyne quadrature laser interferometry measurement method for large amplitude, long cycle vibration calibration
Junning Cui, Wei Li, Xingyuan Bian, Gang Zhu, Zhangqiang He, and Limin Zou
In order to carry out performance testing of ultra-low frequency standard vibration table with large amplitude, an undersampling homodyne quadrature laser interferometry measurement method was proposed in this paper. Based on the design of depolarization beam splitting measurement optical path, a wave plate yaw adjustm
Infrared and Laser Engineering
  • Publication Date: Jun. 25, 2021
  • Vol. 50, Issue 6, 20200329 (2021)
Underwater bubbles recognition based on PCA feature extraction and elastic BP neural network
Yinbo Zhang, Sining Li, Peng Jiang, and Jianfeng Sun
Aiming at the problem of difficulty in feature extraction and identification of wake echo signals detected by underwater lidar due to instability, an underwater bubbles recognition algorithm based on PCA feature extraction and elastic BP neural network was proposed. First, slice preprocessing was carried out on the ech
Infrared and Laser Engineering
  • Publication Date: Jun. 25, 2021
  • Vol. 50, Issue 6, 20200352 (2021)
Large aperture transmission optical element detection method based on dOTF
Jing Tang, Jingxu Zhang, Qichang An, and Hongwen Li
Infrared and Laser Engineering
  • Publication Date: Jun. 25, 2021
  • Vol. 50, Issue 6, 20200358 (2021)
Model and compensation method of image point drift caused by self-heating of industrial camera
Jiahe Chai, Mingli Dong, Peng Sun, and Bixi Yan
In order to reduce the influence of temperature on the image point coordinates of industrial cameras in visual measurement, the image point drift caused by the self-heating of the camera was studied, and a compensation method for the thermal image point drift of industrial cameras was proposed. The finite element simul
Infrared and Laser Engineering
  • Publication Date: Jun. 25, 2021
  • Vol. 50, Issue 6, 20200494 (2021)
Target echo denoising algorithm of airborne platform multi pulse laser rangefinder under low SNR
Junling Sun, Pengge Ma, Qingyuan Guo, Hongyin Han, Wei Li, and Ran Tao
Infrared and Laser Engineering
  • Publication Date: Jun. 25, 2021
  • Vol. 50, Issue 6, 20210005 (2021)
Special Issue-Ocean Lidar Remote Sensing $ Algorithm
ICESat-2 ATL03 data preprocessing and correction method
Xiangying E, Guangyao Dai, and Songhua Wu
On September 15, 2018, NASA successfully launched the ICESat-2 satellite, which carries the Advanced Topographic Laser Altimeter System (ATLAS). ATLAS/ICESat-2 has been widely used in many research fields, such as polar ice-sheet elevation measurement, sea-ice thickness estimation, land elevation measurement, and veget
Infrared and Laser Engineering
  • Publication Date: Jun. 25, 2021
  • Vol. 50, Issue 6, 20211032 (2021)
Simulation of polarization profiles of water measured by oceanographic lidar
Ke Li, Bingyi Liu, Qian Yang, Junwu Tang, and Songhua Wu
A Monte Carlo radiative transfer model with polarization was developed to simulate and analyze the vertical profile of received polarization signal of a ship-borne lidar. The measurement errors resulted from different seawater optical parameters and various lidar measurement modes were analyzed as well. A Gaussian dist
Infrared and Laser Engineering
  • Publication Date: Jun. 25, 2021
  • Vol. 50, Issue 6, 20211035 (2021)
Special Issue-Ocean Lidar Remote Sensing $ Application
Characteristics of jellyfish in the Yellow Sea detected by polarized oceanic lidar
Xiaobin Wang, Hongkai Zhao, Yudi Zhou, Fang Zhang, Peituo Xu, Qun Liu, Chong Liu, and Dong Liu
Recent studies have shown an increase or even outbreaks of jellyfish in many bays and seas around the world, which has a negative impact on the marine ecological environment, marine fisheries, coastal tourism, nuclear safety and so on. In August 2017, the self-developed shipborne polarized oceanic lidar carried out exp
Infrared and Laser Engineering
  • Publication Date: Jun. 25, 2021
  • Vol. 50, Issue 6, 20211038 (2021)
Special Issue-Ocean Lidar Remote Sensing $ Instrument Experiment
Measurement of volume scattering function of suspended particles in water approaching to 180°
Du Chen, Bingyi Liu, Qian Yang, Junwu Tang, and Songhua Wu
Infrared and Laser Engineering
  • Publication Date: Jun. 25, 2021
  • Vol. 50, Issue 6, 20211029 (2021)
Underwater light ranging and imaging for macro marine life in-situ observation and measurement
Xinwei Wang, Liang Sun, Pingshun Lei, Jianan Chen, Yuqing Yang, Yue Zhang, Xin Zhong, Jun He, Minmin Wang, and Yan Zhou
Marine macro life in-situ observation and measurement is of great significance to research and evaluate marine ecological environment, marine biological resources and seabed mineral resources. Traditional underwater cameras for in-situ observation of marine macro life have problems with low-contrast target (LOST) cause
Infrared and Laser Engineering
  • Publication Date: Jun. 25, 2021
  • Vol. 50, Issue 6, 20211039 (2021)