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737 results on '"XU Bin"'

13. A Pathway to Er Sites in Si with Long Spin and Optical Coherence Times

Author

Lyasota, Alexey, primary, Berkman, Ian R., additional, de Boo, Gabriele G., additional, Bartholomew, John G., additional, Johnson, Brett C., additional, McCallum, Jeffrey C., additional, Xu, Bin-Bin, additional, Xie, Shouyi, additional, Ahlefeldt, Rose L., additional, Sellars, Matthew J., additional, Yin, Chunming, additional, and Rogge, Sven, additional

Published
2023
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20. Aspect Ratio-Based Bidirectional Label Encoding for Square-Like Rotation Detection.

Author

Xiao, Zhifeng, Xu, Bin, Zhang, Yeting, Wang, Kai, Wan, Qiao, and Tan, Xiaowei

Abstract

Rotation object detection is of great importance in remote sensing imagery where the orientation is arbitrary and objects are densely distributed. However, there are several challenges that need to be overcome, such as the angular boundary problem in the regression-based methods and the square-like problem in the classification-based methods. For square-like object rotation detection, classification-based methods [e.g., circular smooth label (CSL)] suffer from inconsistencies between angular coding and evaluation mechanisms due to the variation of aspect ratio. To address the angular inconsistencies of square-like object existing in current classification methods, we design a novel angular encoding mechanism based on aspect ratio. We make optimizations and improvements in the following two aspects: 1) proposing an aspect ratio-based bidirectional coded label (AR-BCL) to replace CSL for angle coding of square-like object, which significantly improves detection accuracy for square-like object and ii) designing a cross-fusion decoupled head (CF-DH) based on angular classification to replace the existing coupled head (CH), which can help extract features that suitable for angular classification. Extensive experiments on DOTA, a large-scale public dataset for aerial images, demonstrate the effectiveness of our method for square-like object detection. [ABSTRACT FROM AUTHOR]

Published
2023
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48. A Double-Switch Single-Transformer Integrated Equalizer for the Recycled Power Battery String of Automatic Guided Vehicles.

Author

Xu, Bin, Yan, Zhaotian, Xiong, Liang, Zhang, Lu, Zhou, Wei, Mai, Ruikun, He, Zhengyou, and Liu, Lizhou

Subjects
*LIFE cycle costing, *ELECTRIC transformers, *DC-to-DC converters, *THERMAL management (Electronic packaging), *DYNAMIC balance (Mechanics), *CATALYTIC converters for automobiles
Abstract

Applying the recycled power battery to automatic guided vehicles can greatly reduce system cost and prolong the life cycle of the battery. However, the consistency of recycled power batteries is poor, and the imbalance of battery voltage will occur during the charging or discharging process. Therefore, a double-switch single-transformer integrated equalizer is proposed to balance automatic guided vehicles in both charging and discharging operations. The equalizer's multiwinding transformer shares the dc–dc converter's inductor, and the secondary side generates current by utilizing the current ripple on the primary windings. The battery string is balanced by the multiwinding transformer, without extra switches, when the circuit works in charging and discharging mode. A prototype for four battery cells is built to verify the proposed equalizer and its dynamic balance conditions, and a comparison with existing equalizers is presented. The results show that the system in both modes can realize the automatic balance without affecting the function of the dc–dc converter. The proposed circuit requires fewer components than the existing bidirectional integrated equalizer. [ABSTRACT FROM AUTHOR]

Published
2023
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