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674 results on '"Liu, Bohan"'

124. Echocardiography-based AI detection of regional wall motion abnormalities and quantification of cardiac function in myocardial infarction

Author

Lin, Xixiang, primary, Yang, Feifei, additional, Chen, Yixin, additional, Chen, Xiaotian, additional, Wang, Wenjun, additional, Chen, Xu, additional, Wang, Qiushuang, additional, Zhang, Liwei, additional, Guo, Huayuan, additional, Liu, Bohan, additional, Yu, Liheng, additional, Pu, Haitao, additional, Zhang, Peifang, additional, Wu, Zhenzhou, additional, Li, Xin, additional, Burkhoff, Daniel, additional, and He, Kunlun, additional

Published
2022
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127. Classification and Dimension Reduction in Bank Credit Scoring System

Author

Liu, Bohan, Yuan, Bo, Liu, Wenhuang, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Doug, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Sun, Fuchun, editor, Zhang, Jianwei, editor, Tan, Ying, editor, Cao, Jinde, editor, and Yu, Wen, editor

Published
2008
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128. Universal and complementary representation learning for automatic modulation recognition.

Author

Liu, Bohan, Ge, Ruixing, Zhu, Yuxuan, Zhang, Bolin, and Bao, Yanfei

Subjects
*RECOGNITION (Psychology), *SIGNAL processing, *WIRELESS communications, *SIGNAL classification, *COMPUTER vision
Abstract

Automatic modulation recognition (AMR) is a fundamental research topic in the field of signal processing and wireless communication, which has widespread applications in cognitive radio, non‐collaborative communication etc. In this paper, the focus is on the multi‐modal utilization in AMR. Specifically, the universal and complementary characteristics of multiple modality data in the domain‐agnostic and domain‐specific aspects are mined, yielding the universal and complementary subspaces network accordingly (dubbed as UCNet). To facilitate the subspace construction, universal and complementary losses are proposed accordingly. The proposed UCNet has achieved the highest recognition accuracy of 93.2% at 10 dB on the RadioML2016.10A dataset, and the average accuracy is 92.6% at high SNR greater than zero. [ABSTRACT FROM AUTHOR]

Published
2023
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130. Ultrasonic studies of alkali-rich hydrous silicate glasses: Elasticity, density, and implications for water dissolution mechanisms.

Author

Liu, Bohan, Liu, Qiong, Li, Baosheng, Behrens, Harald, and A. Lange, Rebecca

Subjects
*BULK modulus, *POISSON'S ratio, *DISSOLUTION (Chemistry), *HYDROUS, *MODULUS of rigidity, *ELASTICITY, *SPEED of sound
Abstract

The acoustic velocities of three series of alkali-rich hydrous silicate glasses were determined at ambient conditions using ultrasonic interferometry. The sound velocities and calculated elastic properties are nearly linear functions of dissolved water content. The water content derivatives of both compressional [d(VP)/d(XH2O)] and shear wave velocity [d(VS)/d(XH2O)] decrease with increasing Na2O content, which suggests that increasing sodium content might weaken the effect of water on acoustic velocities. For each glass series, the shear modulus decreases with increasing water content, whereas the adiabatic bulk modulus (KS) varies little with water content. By comparing our results of KS to previously published data on hydrous alkalic (rhyolite, phonolite, and trachyte) glasses, we speculate that H2O may have a negligible effect on the compressibility of alkalic glasses/melts. The measured densities of each series of glasses were converted to molar volumes and extrapolated to the hypothetical pure water component to derive the partial molar volume of water V ¯ H 2 O . The resulting V ¯ H 2 O at room pressure and temperature was found to be independent of composition for the three series of glasses, with a value of 10.4 ± 0.5 cm3/mol, whereas the partial molar bulk modulus (KS) of water is composition-dependent, suggesting that V ¯ H 2 O may depend on composition at elevated pressures. Furthermore, the Poisson's ratio (ν) increases linearly with increasing water content for all three composition series. Therefore, the similar behavior of Al-free and Al-bearing glasses implies that water depolymerizes melts in both systems. The decrease of water content derivative of the Poisson's ratio [d(ν)/d(XH2O)] with increasing Al/(Al+Si) indicates that water interaction with Al-O bonds to produce Al-OH depolymerizes peralkaline silicate melts less effectively than with Si-O bonds to form Si-OH. Hence, we speculate that water prefers to interact with Si-O bonds rather than Al-O bonds in peralkaline silicate systems. The dissolution mechanisms of water between peraluminous and peralkaline melts might be different, which merits further research. [ABSTRACT FROM AUTHOR]

Published
2023
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136. Cardiac Adaptation to Prolonged High Altitude Migration Assessed by Speckle Tracking Echocardiography

Author

Chen, Xu, primary, Liu, Bohan, additional, Deng, Yujiao, additional, Yang, Feifei, additional, Wang, Wenjun, additional, Lin, Xixiang, additional, Yu, Liheng, additional, Pu, Haitao, additional, Zhang, Peifang, additional, Li, Zongren, additional, Zhong, Qin, additional, Jia, Qian, additional, Li, Yao, additional, Wang, Xiao, additional, Chen, Wei, additional, Burkhoff, Daniel, additional, and He, Kunlun, additional

Published
2022
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137. Post‐anthesis saline‐alkali stress inhibits grain filling by promoting ethylene production and signal transduction

Author

Peng, Yaqiong, primary, Chen, Yinke, additional, Yuan, Youming, additional, Liu, Bohan, additional, Yu, Peng, additional, Song, Shihao, additional, Yi, Yake, additional, Teng, Zhenning, additional, Yi, Zhenxie, additional, Zhang, Jianhua, additional, Meng, Shuan, additional, Ye, Nenghui, additional, and Duan, Meijuan, additional

Published
2022
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148. Synergistic interaction between ABA and IAA due to moderate soil drying promotes grain filling of inferior spikelets in rice

Author

Teng, Zhenning, primary, Yu, Huihui, additional, Wang, Guanqun, additional, Meng, Shuan, additional, Liu, Bohan, additional, Yi, Yake, additional, Chen, Yinke, additional, Zheng, Qin, additional, Liu, Ling, additional, Yang, Jianchang, additional, Duan, Meijuan, additional, Zhang, Jianhua, additional, and Ye, Nenghui, additional

Published
2021
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