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Editorial: Special issue on blockchain and communication networks

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Digital Communications and Networks 2020年第2期6卷 145-146页

作者： Yulei Wu weizhi meng Zheng Yan Vijay Varadharajan University of Exeter UK Technical University of Denmark Denmark Xidian University China and Aalto UniversityFinland The University of Newcastle Australia

*** With the boom of new technologies and applications,e.g.,Internet of Things,big data,and artificial intelligence,a deluge of devices are being connected to the network,thus generating a large amount of data[1].Data collection,processing and analysis are essentials to help people gain valuable information,make sensible decisions,and also make devices *** underlying communication network is thus facing unprecedented *** with the increase in devices,managing these devices in the existing centralized model will bring significant challenges to the infrastructure construction,maintenance,and management of the communication *** addition,the current technology/protocol in communication networks cannot adequately ensure the security and privacy of user data,and the use of collected data is beyond the control of the *** users and companies,therefore,are concerned for the privacy of their data,unwilling to provide valuable data for processing and analysis.

关键词： communication networks companies

Editorial for special issue on “security and privacy protection in the era of IoT devices”

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Digital Communications and Networks 2021年第2期7卷 245-246页

作者： weizhi meng Daniel Xiapu Luo Chunhua Su Debiao He Marios Anagnostopoulos Qian Chen Technical University of Denmark Denmark Hong Kong Polytechnic University China University of Aizu Japan Wuhan University China Aalborg University Denmark University of Texas at San Antonio USA

IoT devices like smartphones have become an important personal assistant and an indispensable part of our daily life and *** more and more users storing their private data on their mobile phones,it becomes imperative to develop secure mobile operating systems,secure mobile clouds and applications,and secure mobile *** recent years,IoT device security,like smartphone security,depends not only on the phones,but also on the mobile device management technology that controls and manages device *** a result,there is an increasing need for security solutions to protect users'sensitive and private information in the IoT *** special issue focuses on security and privacy issues on IoT devices and identifies new schemes and mechanisms for constructing a safe and robust IoT environment.

关键词： IoT smart security

Transformer and GAN-Based Super-Resolution Reconstruction Network for Medical Images

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Tsinghua Science and Technology 2024年第1期29卷 197-206页

作者： weizhi Du Shihao Tian Arts&Sciences College Washington University in St.LouisSt.LouisMO 63130USA Department of Electric and Computing Engineering Cornell UniversityIthacaNY 14850USA

Super-resolution reconstruction in medical imaging has become more demanding due to the necessity of obtaining high-quality images with minimal radiation dose,such as in low-field magnetic resonance imaging(MRI).However,image super-resolution reconstruction remains a difficult task because of the complexity and high textual requirements for diagnosis *** this paper,we offer a deep learning based strategy for reconstructing medical images from low resolutions utilizing Transformer and generative adversarial networks(T-GANs).The integrated system can extract more precise texture information and focus more on important locations through global image matching after successfully inserting Transformer into the generative adversarial network for picture ***,we weighted the combination of content loss,adversarial loss,and adversarial feature loss as the final multi-task loss function during the training of our proposed model *** comparison to established measures like peak signal-to-noise ratio(PSNR)and structural similarity index measure(SSIM),our suggested T-GAN achieves optimal performance and recovers more texture features in super-resolution reconstruction of MRI scanned images of the knees and belly.

关键词： super-resolution image reconstruction Transformer generative adversarial network(GAN)

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对抗训练驱动的恶意代码检测增强方法

通信学报 2022年第9期43卷 169-180页

作者：刘延华李嘉琪欧振贵高晓玲刘西蒙 meng weizhi 刘宝旭福州大学计算机与大数据学院福建福州350108 福建省网络计算与智能信息处理重点实验室福建福州350108 丹麦科技大学应用数学和计算机系哥本哈根2800 中国科学院信息工程研究所北京100093

为了解决恶意代码检测器对于对抗性输入检测能力的不足,提出了一种对抗训练驱动的恶意代码检测增强方法。首先,通过反编译工具对应用程序进行预处理,提取应用程序接口(API)调用特征,将其映射为二值特征向量。其次,引入沃瑟斯坦生成对抗... 详细信息

为了解决恶意代码检测器对于对抗性输入检测能力的不足,提出了一种对抗训练驱动的恶意代码检测增强方法。首先,通过反编译工具对应用程序进行预处理,提取应用程序接口(API)调用特征,将其映射为二值特征向量。其次,引入沃瑟斯坦生成对抗网络,构建良性样本库,为恶意样本躲避检测器提供更加丰富的扰动组合。再次,提出了一种基于对数回溯法的扰动删减算法。将良性样本库中的样本以扰动的形式添加到恶意代码中,对添加的扰动进行二分删减,以较少的查询次数减少扰动的数量。最后,将恶意代码对抗样本标记为恶意并对检测器进行重训练,提高检测器的准确性和稳健性。实验结果表明,生成的恶意代码对抗样本可以躲避目标检测器的检测。此外,对抗训练提升了目标检测器的准确率和稳健性。

关键词：对抗训练检测增强生成对抗网络扰动删减

Evolution model and failure mechanisms of rainfall-induced cracked red clay slopes:insights from Xinshao County,China

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Journal of Mountain Science 2024年第3期21卷 867-881页

作者： JIAO weizhi ZHANG Ming LI Peng XIE Junjin PANG Haisong LIU Fuxing YANG Long Faculty of Engineering China University of GeosciencesWuhan 430074China

Red clay landslides are widely distributed worldwide,resulting in severe loss of life and *** rainfall-induced red clay slopes have received extensive attention,the role of cracks in the evolutionary process of red clay slopes and their connection to failure mechanisms is still poorly understood.A comprehensive approach integrating field investigation,laboratory tests,and numerical simulations was conducted to study the 168 red clay landslides in Xinshao County,*** results show that red clay is prone to forming cracks at high moisture content due to its low swelling and high shrinkage *** failure mode of red clay slopes can be summarized in three stages:crack generation,slope excavation,and slope ***,the retrospective analysis and numerical simulations of the typical landslide in Guanchong indicated that intense rainfall primarily impacts the shallow layer of soil within approximately 0.5 m on the intact ***,cracks change the pattern of rainfall infiltration in the *** infiltrates rapidly through the preferential channels induced by the cracks rather than uniformly and slowly from the slope *** results in a significant increase in both the depth of infiltration and the saturated zone area of the cracked slope,reaching 3.8 m and 36.2 m^(2),***,the factor of safety of the slope decreases by 13.4%compared to the intact slope,ultimately triggering *** study can provide valuable insights into understanding the failure mechanisms of red clay slopes in China and other regions with similar geological settings.

关键词： Red clay slopes Cracks Preferential flow Failure mechanism

Development of a cell-permeable adenine-derived probe for capture of nucleotide-binding proteins in living cells

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Chinese Chemical Letters 2024年第3期35卷 243-246页

作者： Lihong Liu Rui Chen Gang Xue Chenzhou Hao weizhi Weng Zhengying Pan State Key Laboratory of Chemical Oncogenomics School of Chemical Biology and BiotechnologyPeking University Shenzhen Graduate SchoolShenzhen 518055China

Adenine is an essential building block of genetic material and a range of *** probes containing an adenine moiety have been used in kinase profiling studies in cell *** we report that adenine-derived small-molecule probes with an activated ester reactive group can covalently modify a conserved lysine residue of protein kinases and capture a number of nucleotide-binding proteins within living cells.

关键词： Adenine-derived probe Cell-permeable Lysine residue Protein kinases Nucleotide-binding proteins

Investigation of Eccentric PM on High-frequency Vibration in FSCW PM Machine Considering Force Modulation Effect

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Chinese Journal of Electrical Engineering 2024年第2期10卷 59-69页

作者： Jinghua Ji weizhi Jiang Wenxiang Zhao Tong Liu School of Electrical and Information Engineering Jiangsu UniversityZhenjiang 212013China

This study investigates the negative influence of an eccentric permanent-magnet(PM)design on high-frequency electromagnetic vibration in fractional-slot concentrated-winding(FSCW)PM ***,an analytical expression for the sideband current harmonics was derived using the double Fourier series expansion ***,the characteristics of the flux-density harmonics are studied from the perspective of the space-time distribution and initial phase *** influence of the eccentric PM design on high-frequency electromagnetic and concentrated forces was studied based on the electromagnetic force modulation ***,an eccentric PM design is not conducive to reducing the 2pth-order high-frequency electromagnetic ***,two FSCW PM machines with conventional and eccentric PM designs are manufactured and tested to verify the theoretical *** results show that the eccentric PM design worsens high-frequency vibrations.

关键词： Eccentric permanent magnet machine sideband current harmonics electromagnetic force modulation effect fractional-slot concentrated-winding high-frequency vibration

The AaBBX21–AaHY5 module mediates light-regulated artemisinin biosynthesis in Artemisia annua L.

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Journal of Integrative Plant Biology 2024年第8期66卷 1735-1751页

作者： weizhi He Hang Liu Zhangkuanyu Wu Qing Miao Xinyi Hu Xin Yan Hangyu Wen Yaojie Zhang Xueqing Fu Li Ren Kexuan Tang Ling Li Frontiers Science Center for Transformative Molecules Joint International ResearchLaboratory of Metabolic and Developmental SciencesKey Laboratory of Urban Agriculture(South)Ministry of AgriculturePlant Biotechnology Research CenterFudan-SJTU-Nottingham Plant Biotechnology R&D CenterSchool of Agriculture and BiologyShanghai Jiao Tong UniversityShanghai 200240China Institute for Agri-Food Standards and Testing Technology Shanghai Academy of Agricultural SciencesShanghai 201403China

The sesquiterpene lactone artemisinin is an important anti-malarial component produced by the glandular secretory trichomes of sweet wormwood(Artemisia annua L.).Light was previously shown to promote artemisinin production,but the underlying regulatory mechanism remains *** this study,we demonstrate that ELONGATED HYPOCOTYL5(HY5),a central transcription factor in the light signaling pathway,cannot promote artemisinin biosynthesis on its own,as the binding of AaHY5 to the promoters of artemisinin biosynthetic genes failed to activate their *** analysis and yeast two-hybrid screening revealed the B-box transcription factor AaBBX21 as a potential interactor with ***21 showed a trichome-specific expression ***,the AaBBX21–AaHY5 complex cooperatively activated transcription from the promoters of the downstream genes AaGSW1,AaMYB108,and AaORA,encoding positive regulators of artemisinin ***,AaHY5 and AaBBX21 physically interacted with the *** E3 ubiquitin ligase CONSTITUTIVELY PHOTOMORPHOGENIC 1(COP1).In the dark,AaCOP1 decreased the accumulation of AaHY5 and AaBBX21 and repressed the activation of genes downstream of the AaHY5–AaBBX21 complex,explaining the enhanced production of artemisinin upon light *** study provides insights into the central regulatory mechanism by which light governs terpenoid biosynthesis in the plant kingdom.

关键词： AaBBX21 AaHY5 AaCOP1 Artemisia annua L. artemisinin biosynthesis light

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数字法学真的来了吗?

现代法学 2024年第1期46卷 78-91页

作者：宋维志上海交通大学凯原法学院上海200030 南昌大学法学院南昌330031

对数字技术发展所带来法律问题的研究推动数字法学作为学术命题被提出。虽然数字法学发展迅速,已成为学界热门研究领域,但关于数字法学立论基础等理论问题的研究仍较为薄弱。一方面,数字法学缺乏明确的问题领域,所研究的问题本质上是技... 详细信息

对数字技术发展所带来法律问题的研究推动数字法学作为学术命题被提出。虽然数字法学发展迅速,已成为学界热门研究领域,但关于数字法学立论基础等理论问题的研究仍较为薄弱。一方面,数字法学缺乏明确的问题领域,所研究的问题本质上是技术问题,可以通过对现有法学理论体系的完善获得解释;另一方面,数字法学缺少充分的理论建构,既没有突破传统权力理论框架,也没有提出技术超越理论。因此,数字法学在问题领域和理论建构两方面均无法被证成。与其说数字法学是一种法学研究新范式,不如承认数字法学本质上是对技术应用场景的模糊概括。数字社会只是观察社会的众多视角之一,数字社会的到来并不必然意味着法学研究转向了数字法学。在法学理论上,数字法学并不是一个真实的学术命题。

关键词：数字法学数字社会数字技术法学理论新法学