Introduction Integrins are a large family of adhesion molecules broadly expressed on the surface of a wide variety of cells as heterodimers. Binding of integrins to ligands provides not only mechanical anchorage for t...Introduction Integrins are a large family of adhesion molecules broadly expressed on the surface of a wide variety of cells as heterodimers. Binding of integrins to ligands provides not only mechanical anchorage for the cell to another cell or展开更多
针对单通道语音增强中主流编解码结构面临的声学特征提取不充分、通道信息丢失和幅度相位补偿困难等问题,提出一种融合不同维度语音特征的异构双分支解码单通道语音增强模型——HDBMV(Heterogeneous DualBranch with Multi-View)。该模...针对单通道语音增强中主流编解码结构面临的声学特征提取不充分、通道信息丢失和幅度相位补偿困难等问题,提出一种融合不同维度语音特征的异构双分支解码单通道语音增强模型——HDBMV(Heterogeneous DualBranch with Multi-View)。该模型通过信息融合编码器(IFE)、时频残差Conformer(TFRC)模块、多视角注意力(MVA)模块和异构双分支解码器(HDBD)等机制,提升单通道语音增强的性能。首先,IFE联合处理振幅与复数特征,捕捉全局依赖和局部相关,生成紧凑的特征表示;其次,TFRC模块有效捕捉时间维度和频域维度上的相关性,同时降低计算复杂度;再次,MVA模块重构通道域和时频域信息,进一步增强模型对信息的多视角多层次的表征能力;最后,HDBD分别处理幅度特征和细化复数特征,解决幅度相位补偿问题,提升解码鲁棒性。实验结果表明,HDBMV在公开数据集VoiceBank+DEMAND、大数据集DNS Challenge 2020和自建的藏语数据集BodSpeDB上的语音质量感知评估(PESQ)分别达到了3.00、3.12和2.09,短时目标可理解度(STOI)分别达到了0.96、0.97和0.81。可见,HDBMV以最小的参数量和较高的计算效率获得了最佳的语音增强性能和较强的泛化能力。展开更多
吉林大学计算机科学与技术学院2022级博士研究生杨雨欣为第一作者的论文“Ensemble Conformal Predictor (En CP):A New Conformal Predictor with Robustness Guarantees Against Data Poisoning Attacks”被IEEE Symposium on Securit...吉林大学计算机科学与技术学院2022级博士研究生杨雨欣为第一作者的论文“Ensemble Conformal Predictor (En CP):A New Conformal Predictor with Robustness Guarantees Against Data Poisoning Attacks”被IEEE Symposium on Security and Privacy (IEEE S&P 2026)接收。作者还包括杨雨欣的指导教师教授李强、吉林大学人工智能学院博士研究生封润洋,共同通信作者是美国丰田工业大学芝加哥分校教授Liren Shan和美国伊利诺伊理工大学教授Binghui Wang。展开更多
The infrared conformal window is one of the most critical components in aircraft.Conformal windows with high performance bring low aberrations,high aerodynamic performance,reliability in extreme working environments,a...The infrared conformal window is one of the most critical components in aircraft.Conformal windows with high performance bring low aberrations,high aerodynamic performance,reliability in extreme working environments,and added value for aircraft.Through the past decades,remarkable advances have been achieved in manufacturing technologies for conformal windows,where the machining accuracy approaches the nanometer level,and the surface form becomes more complex.These advances are critical to aircraft development,and these manufacturing technologies also have significant reference values for other directions of the ultra-precision machining field.In this review,the infrared materials suitable for manufacturing conformal windows are introduced and compared with insights into their performances.The remarkable advances and concrete work accomplished by researchers are reviewed.The challenges in manufacturing conformal windows that should be faced in the future are discussed.展开更多
Under solvothermal conditions,six new coordination polymers(CPs)[Mn(L)(phen)(H_(2)O)]_(n)(1),[Co(L)(phen)(H_(2)O)]_(n)(2),[Cu(L)(phen)(H_(2)O)]_(n)(3),[Zn_(2)(L)_(2)(phen)2(H_(2)O)]_(n)(4),[Zn(L)(phen)]_(n)(5),and[Cd(...Under solvothermal conditions,six new coordination polymers(CPs)[Mn(L)(phen)(H_(2)O)]_(n)(1),[Co(L)(phen)(H_(2)O)]_(n)(2),[Cu(L)(phen)(H_(2)O)]_(n)(3),[Zn_(2)(L)_(2)(phen)2(H_(2)O)]_(n)(4),[Zn(L)(phen)]_(n)(5),and[Cd(L)(phen)2]_(n)(6)were synthesized by reactions of dicarboxylate ligand 2,2'-(1,2-phenylenebis(methylene))bis(sulfanediyl)dinobutyric acid(H_(2)L)and 1,10-phenanthroline(phen)with the corresponding metal salts.Complexes 1-6 have been structurally characterized by single-crystal X-ray diffraction analyses,elemental analysis,IR,thermogravimetric analysis,and powder X-ray diffraction.The structures of 1-6 are 1D chains,which are further connected by hydrogen bonding interac-tions to form 3D supramolecular structures.Among them,1 and 2 are isomorphic with L2-of syn-conformation,while L2-shows anti-conformation in 3-6.In addition,the solid-state photoluminescence property of 4-6 was investigated.展开更多
基金supported by US National Institutes of Health grant R01 AI44902 (to C Z )a Pre-doctoral Fellowship from the American Heart Association (to W C )
文摘Introduction Integrins are a large family of adhesion molecules broadly expressed on the surface of a wide variety of cells as heterodimers. Binding of integrins to ligands provides not only mechanical anchorage for the cell to another cell or
文摘吉林大学计算机科学与技术学院2022级博士研究生杨雨欣为第一作者的论文“Ensemble Conformal Predictor (En CP):A New Conformal Predictor with Robustness Guarantees Against Data Poisoning Attacks”被IEEE Symposium on Security and Privacy (IEEE S&P 2026)接收。作者还包括杨雨欣的指导教师教授李强、吉林大学人工智能学院博士研究生封润洋,共同通信作者是美国丰田工业大学芝加哥分校教授Liren Shan和美国伊利诺伊理工大学教授Binghui Wang。
基金the support from the National Key Research and Development Program of China[2018YFA0703400].
文摘The infrared conformal window is one of the most critical components in aircraft.Conformal windows with high performance bring low aberrations,high aerodynamic performance,reliability in extreme working environments,and added value for aircraft.Through the past decades,remarkable advances have been achieved in manufacturing technologies for conformal windows,where the machining accuracy approaches the nanometer level,and the surface form becomes more complex.These advances are critical to aircraft development,and these manufacturing technologies also have significant reference values for other directions of the ultra-precision machining field.In this review,the infrared materials suitable for manufacturing conformal windows are introduced and compared with insights into their performances.The remarkable advances and concrete work accomplished by researchers are reviewed.The challenges in manufacturing conformal windows that should be faced in the future are discussed.
文摘Under solvothermal conditions,six new coordination polymers(CPs)[Mn(L)(phen)(H_(2)O)]_(n)(1),[Co(L)(phen)(H_(2)O)]_(n)(2),[Cu(L)(phen)(H_(2)O)]_(n)(3),[Zn_(2)(L)_(2)(phen)2(H_(2)O)]_(n)(4),[Zn(L)(phen)]_(n)(5),and[Cd(L)(phen)2]_(n)(6)were synthesized by reactions of dicarboxylate ligand 2,2'-(1,2-phenylenebis(methylene))bis(sulfanediyl)dinobutyric acid(H_(2)L)and 1,10-phenanthroline(phen)with the corresponding metal salts.Complexes 1-6 have been structurally characterized by single-crystal X-ray diffraction analyses,elemental analysis,IR,thermogravimetric analysis,and powder X-ray diffraction.The structures of 1-6 are 1D chains,which are further connected by hydrogen bonding interac-tions to form 3D supramolecular structures.Among them,1 and 2 are isomorphic with L2-of syn-conformation,while L2-shows anti-conformation in 3-6.In addition,the solid-state photoluminescence property of 4-6 was investigated.
