近年来科技、医疗技术的进展加快,许多先前未曾受到重视的疾病开始受到广泛关注,而创后应激障碍(Post-Traumatic Stress Disorder,PTSD)便是其中一种。且随着功能性核磁成像(Functional Magnetic Resonance Imaging,FMRI)技术的高度发展...近年来科技、医疗技术的进展加快,许多先前未曾受到重视的疾病开始受到广泛关注,而创后应激障碍(Post-Traumatic Stress Disorder,PTSD)便是其中一种。且随着功能性核磁成像(Functional Magnetic Resonance Imaging,FMRI)技术的高度发展,逐渐发展出从脑部具体区域处于静息态时统计所得数据进行分析的方式对PTSD病症进行探究的方式。而本文则正是采用该思路,分别采用了方差、相关度、T检验及F检验等数学工具进行探究分析,并根据其统计结果,利用Matlab、Brain Net Viewer等软件进行数据处理结果仿真以及结论分析等,然而,目前已有的大多数相关研究只是认为病症机理只存在于某些孤立的大脑区域中,而忽略了区域之间的脑电信号的联系对发病的影响。基于以上原因,本研究使用功能磁共振成像(f MRI)来探查经过2008汶川地震灾害后的PTSD患者静息状态和正常人的在脑区域之间电信号连通性的区别,确定病变的发生是存在于大脑的哪两个区域的联系上。展开更多
To meet the exponentially growing demand fbr bandwidth in Optical Transport Networks (OTNs), 100-Gb/s (100G) coherent technology based oil Polarization-Division Multiplexed Quadrature Phase Shift Keying (PDM-QPSK...To meet the exponentially growing demand fbr bandwidth in Optical Transport Networks (OTNs), 100-Gb/s (100G) coherent technology based oil Polarization-Division Multiplexed Quadrature Phase Shift Keying (PDM-QPSK), which enables the capacity of a Wavelength Division Multiplexing (WDM) system to approach 10 Tb/s, is being widely deployed globally. As the first vendor to intro- duce a single-carrier 100G solution, A1- catel-Lucent has developed key transponder and network management technologies, which are reviewed in this paper together with their commercial evolution to 400G. Focusing on the Chinese market, we also review some key bench-mark testing results obtained in partner- ship with major Chinese operators. Finally, we discuss enabling technologies that are currently being researched to allow interfaces to scale to Terabit/s rates.展开更多
文摘近年来科技、医疗技术的进展加快,许多先前未曾受到重视的疾病开始受到广泛关注,而创后应激障碍(Post-Traumatic Stress Disorder,PTSD)便是其中一种。且随着功能性核磁成像(Functional Magnetic Resonance Imaging,FMRI)技术的高度发展,逐渐发展出从脑部具体区域处于静息态时统计所得数据进行分析的方式对PTSD病症进行探究的方式。而本文则正是采用该思路,分别采用了方差、相关度、T检验及F检验等数学工具进行探究分析,并根据其统计结果,利用Matlab、Brain Net Viewer等软件进行数据处理结果仿真以及结论分析等,然而,目前已有的大多数相关研究只是认为病症机理只存在于某些孤立的大脑区域中,而忽略了区域之间的脑电信号的联系对发病的影响。基于以上原因,本研究使用功能磁共振成像(f MRI)来探查经过2008汶川地震灾害后的PTSD患者静息状态和正常人的在脑区域之间电信号连通性的区别,确定病变的发生是存在于大脑的哪两个区域的联系上。
文摘To meet the exponentially growing demand fbr bandwidth in Optical Transport Networks (OTNs), 100-Gb/s (100G) coherent technology based oil Polarization-Division Multiplexed Quadrature Phase Shift Keying (PDM-QPSK), which enables the capacity of a Wavelength Division Multiplexing (WDM) system to approach 10 Tb/s, is being widely deployed globally. As the first vendor to intro- duce a single-carrier 100G solution, A1- catel-Lucent has developed key transponder and network management technologies, which are reviewed in this paper together with their commercial evolution to 400G. Focusing on the Chinese market, we also review some key bench-mark testing results obtained in partner- ship with major Chinese operators. Finally, we discuss enabling technologies that are currently being researched to allow interfaces to scale to Terabit/s rates.