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Xiachuan Fu, Zhongjie He, Yueqi Zhao, Xuyu Jiang and Mengyao Wang
Previous studies have pointed out that spectral nudging is still insufficient in improving the long-term simulation ability of numerical models. In response to this problem, this study started with the Luzon Strait and its adjacent areas and discussed th...
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Kun Liu, Zhigang Yuan, Chen Zhou, Qinglin Zhu, Haining Wang, Dongsheng Sheng and Xiang Dong
The radio-wave refraction error caused by the troposphere and ionosphere badly affects accuracy in terms of the navigation, positioning, measurement, and control of a target; it is the main source of errors in high-accuracy measurement and control system...
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Yaming Wang, Zhengheng Xu, Wenqing Huang, Yonghua Han and Mingfeng Jiang
Traditional approaches to modeling and processing discrete pixels are mainly based on image features or model optimization. These methods often result in excessive shrinkage or expansion of the restored pixel region, inhibiting accurate recovery of the t...
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Lefeng Cheng, Tao Yu, Guoping Wang, Bo Yang and Lv Zhou
This paper develops a novel dynamic correction method for the reliability assessment of large oil-immersed power transformers. First, with the transformer oil-paper insulation system (TOPIS) as the target of evaluation and the winding hot spot temperatur...
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Lefeng Cheng, Tao Yu, Guoping Wang, Bo Yang and Lv Zhou
This paper develops a novel dynamic correction method for the reliability assessment of large oil-immersed power transformers. First, with the transformer oil-paper insulation system (TOPIS) as the target of evaluation and the winding hot spot temperatur...
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Jinming Liu, Hao Chen and Shuting Yang
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Xing-Ting Xiong, Xing-Hua Qu and Fu-Min Zhang
Absolute distance measurement and surface profiling.
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Dongming Lu, Longyin Teng, Jianle Ren, Jiangyun Tan, Mengke Wang, Liping Wang and Guohua Gu
In this paper, principal component analysis is introduced to form a scene-based nonuniformity correction method for infrared focal plane arrays. The estimation of the gain and offset of the infrared detector and the correction of nonuniformity based on t...
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Dongbing Guo, Chunhui Wang, Baoling Qi, Yu Zhang and Qingyan Li
Active imaging technology can perceive the surrounding environment and obtain three-dimensional information of the target. Among them, light detection and ranging (LiDAR) imaging systems are one of the hottest topics in the field of photoelectric active ...
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Jelica Pavlovic, Alessandro Marotta, Biagio Ciuffo, Simone Serra, ... Gérard Silberholz
Pág. 3099 - 3108
The World-wide harmonized Light duty Test Procedure (WLTP) issued as UNECE GTR No. 15 is designed to check the emissions compliance of Light Duty Vehicles (LDVs) around the world and European Commission is planning to introduce the WLTP in the European T...
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Benlei Zhang, Fei Yang, Fuguo Wang and Baowei Lu
Active optics and aberration correction techniques for sparse aperture segmented mirrors are studied. A finite element model of the sparse aperture segmented mirror was established, and a multi-aperture aberration polynomial was derived. According to the...
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Davide Astolfi, Francesco Castellani, Matteo Becchetti, Andrea Lombardi and Ludovico Terzi
The widespread availability of wind turbine operation data has considerably boosted the research and the applications for wind turbine monitoring. It is well established that a systematic misalignment of the wind turbine nacelle with respect to the wind ...
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Wei Huang, Kaitao Meng, Wenzhou Sun, Jianxu Shu, Tianhe Xu and Hao Zhang
Underwater localization is one of the key techniques for positioning, navigation, timing (PNT) services that could be widely applied in disaster warning, underwater rescues and resource exploration. One of the reasons why it is difficult to achieve accur...
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Lili Wei, Lingkai Kong, Zhigang Liu, Zhenglong Yang and Hua Zhang
According to the intelligent development needs of railway operation and maintenance, turnout maintenance also needs an efficient and intelligent means of detection. It is the main method used to measure the access depth of static contact manually. In ord...
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Feng Xu, Kei Sakurai, Yuki Sato, Yuka Sakai, Shunsuke Sabu, Hiroaki Kanayama, Daisuke Satou and Yasuki Kansha
Non-uniform temperature distributions in air-conditioned areas can reduce the energy efficiency of air conditioners and cause uncomfortable thermal sensations for occupants. Furthermore, it is impractical to use physical sensors to measure the local temp...
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Shin Akatsuka
Water vapor is an important greenhouse gas that affects regional climatic and weather processes. Atmospheric water vapor content is highly variable spatially and temporally, and continuous quantification over a wide area is problematic. However, existing...
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Cheng Shen, Zhijie Wen, Wenliang Zhu, Dapeng Fan, Yukang Chen and Zhuo Zhang
A small deviation in the time-delay of the image tracker is essential for improving the tracking precision of an electro-optical system, and for future advances in actuator technology. The core goal of this manuscript is to address issues such as trackin...
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Haoting Du, Jintong Xu, Zihao Yin, Mengyang Chai and Dexin Sun
The long-wave infrared (LWIR) quantum-well photodetector (QWIP) operates at low temperatures, but is prone to focal plane temperature changes when imaging in complex thermal environments. This causes dark current changes and generates low-frequency tempo...
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Meiying Liu, Hu Wang, Hongwei Yi, Yaoke Xue, Desheng Wen, Feng Wang, Yang Shen and Yue Pan
This paper focuses on the opportunity to use multiple star trackers to help space situational awareness and space surveillance. Catalogs of space debris around Earth are usually based on ground-based measurements, which rely on data provided by ground-ba...
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Qinghui Mao, Tahir Azeem, Zhixian Gui, Peng Wang and Yu Zhong
Migration-based approaches depending on waveform stacking are generally used to locate the microseismic events in hydro-fracturing monitoring. A simple waveform stacking with polarity correction normally provides better results than any of the absolute v...
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