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Research on flow stress in ferrite deformation of a Ti-IF steel 被引量:1
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作者 Guang Xu Chushao Xu +1 位作者 jiarong zhao Xianjun Liu 《Journal of University of Science and Technology Beijing》 CSCD 2006年第1期34-36,共3页
The experiments of the ferrite warm deformation of ultra-low carbon (ULC) Ti-IF steel were carded out on a hot simulator and the influences of deformation temperature, strain, and strain rate on the flow stress were... The experiments of the ferrite warm deformation of ultra-low carbon (ULC) Ti-IF steel were carded out on a hot simulator and the influences of deformation temperature, strain, and strain rate on the flow stress were analyzed. New flow stress models suitable to ferrite warm forming of Ti-IF steel were given on the basis of analyzing the influence of deformation technology parameters on the flow stress. 展开更多
关键词 ULC Ti-IF steel ferrite deformation flow stress MODEL
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基于FMCW的新型多域联合调制双功能雷达通信技术
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作者 赵嘉荣 杨平 +3 位作者 肖悦 武刚 易琴 许向楠 《中国科学:信息科学》 CSCD 北大核心 2023年第9期1802-1821,共20页
在频谱稀缺现状与6G万物互联需求形势之下,雷达通信一体化得以催生,引起了学术界广泛的关注和研究兴趣.一体化的相关技术研究中,如何在有限的硬件资源条件下平衡好通信与感知性能是一个难题.为解决这个问题,本文提出了一种基于多域联合... 在频谱稀缺现状与6G万物互联需求形势之下,雷达通信一体化得以催生,引起了学术界广泛的关注和研究兴趣.一体化的相关技术研究中,如何在有限的硬件资源条件下平衡好通信与感知性能是一个难题.为解决这个问题,本文提出了一种基于多域联合传输的通感一体化系统方案,利用空域、频域、时域和能量域4种资源进行信息传输,可有效提高数据传输准确率,提升系统性能.构建的自适应偏移索引调频连续波雷达通信系统(offset FMCW-based radar-communications system,OFRaC),有效挖掘了偏移索引调制与原调频连续波雷达通信系统(FMCW-based radar-communications system,FRaC)的优势特性,减少了射频切换时间,提升了传输速率.为降低通信接收端的误比特率(bit error rate,BER),文中还提出了一种基于最短信道距离的天线选择OFRaC(antenna selection-based OFRaC,AOFRaC),可以在OFRaC基础上对BER性能做进一步改善.最后,通过仿真实验,本文分析了AOFRaC,OFRaC与原FRaC系统在通信和感知方面的性能变化,对比了所使用目标检测方法与传统方法的性能优点.得出的结论是,所提出的多域联合调制方案在通信与感知性能中能取得更好的折中与平衡,尤其在需要更轻负载的车联网、无人机等应用场景中,简易的雷达和通信接收端架构将给系统带来优势. 展开更多
关键词 双功能雷达通信 多域联合调制 偏移空间调制 天线选择 压缩感知
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HMGB3 is a potential diagnostic marker for early cervical lesion screening
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作者 Qianwen Cui jiarong zhao +7 位作者 Qingmei Deng Yu Liu Changfang Fu Qiang Wu Qiuyan Sun Haiyan Weng Haiming Dai Wulin Yang 《Genes & Diseases》 SCIE CSCD 2023年第6期2202-2205,共4页
Despite the spread of effective vaccination strategies,cervical cancer remains the second leading cause of cancer death among women aged 20 to 39.1 clinical diagnosis of cervical lesions relies on the P16INK4a(P16)mar... Despite the spread of effective vaccination strategies,cervical cancer remains the second leading cause of cancer death among women aged 20 to 39.1 clinical diagnosis of cervical lesions relies on the P16INK4a(P16)marker,but its sensitivity to low-grade cervical intraepithelial neoplasia(CIN)is limited.Exploring more sensitive and specific molecular markers is still a challenge in cervical lesion screening.In this study,we found that HMGB3 could effectively label pathological cells in different cervical lesions,especially for early CIN.Therefore,HMGB3 has the potential to be used as a novel marker for the early screening of cervical lesions. 展开更多
关键词 CERVICAL DIAGNOSIS CLINICAL
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