随着企业信息化进程的不断推进和业务复杂性的提升,私有云的部署能够有效提升资源利用率和运维效率,还能够实现资源的动态按需分配,但随着私有云规模的不断扩大,传统的数据备份方式已经无法满足私有云环境下的备份需求,如果缺乏适当的...随着企业信息化进程的不断推进和业务复杂性的提升,私有云的部署能够有效提升资源利用率和运维效率,还能够实现资源的动态按需分配,但随着私有云规模的不断扩大,传统的数据备份方式已经无法满足私有云环境下的备份需求,如果缺乏适当的备份策略,当发生系统故障时,业务恢复时间较长,连续性很难得到保障。本文研究了基于vSphere Data Protection(VDP)的企业私有云备份策略,以某企业私有云环境为例,介绍了VDP的部署及数据恢复方法,实验结果表明,本文方法能够有效实现企业私有云环境的备份,保障业务的连续性。展开更多
通过对范德玻尔(van der pol)方程的数学模型分析,利用Simulink仿真系统建立了自激系统的仿真模型,并给出仿真模型的模块设计图和计算结果图像.通过仿真模型的封装,演示了对几个参数变量在封装模块参数对话框中参数值的统一设置.在解决...通过对范德玻尔(van der pol)方程的数学模型分析,利用Simulink仿真系统建立了自激系统的仿真模型,并给出仿真模型的模块设计图和计算结果图像.通过仿真模型的封装,演示了对几个参数变量在封装模块参数对话框中参数值的统一设置.在解决二阶常微分方程中,使用Simulink仿真方法能客观地操作系统的具体行为并能得到及时的结果.展开更多
This study aims to determine the phenomenological bifurcation(P-bifurcation)occur-ring in the van der Pol(VDP)neuronal model of burst neurons with a random signal.We observe the P-bifurcation under an intense noise st...This study aims to determine the phenomenological bifurcation(P-bifurcation)occur-ring in the van der Pol(VDP)neuronal model of burst neurons with a random signal.We observe the P-bifurcation under an intense noise stimulus which would become chaotic transitions.Bursting and spiking simulations are used to describe the causes of chaotic transitions between two periodic phases that are the reason for the neuronal activities.Ran-domness plays a crucial role in detecting the P-bifurcation.To determine the equilibrium points,stability or instability of the stochastic VDP equation,and bifurcation,we use the stochastic averaging method and some related theorems.Apart from theoretical methods,we also examine numerical simulations in the particular case of that stochastic equation that illustrates the outcome of theorems for various noise types.The most striking part of our theoretical findings is that these results are also valid for the Izhikevich-FitzHugh model,Bonhoeffer-van der Pol oscillator in dynamical systems of neuroscience.Finally,we will discuss some applications of the VDP equation in neuronal activity.展开更多
并不是每个人都有波澜壮阔的人生经历,也许每个人在小时候都曾经幻想自己在不太遥远的将来可以大权在握、富可敌国、万众瞩目、功成名就,但在成长的过程中这些幻想渐渐被现实冲散。我们发现活着就好,能吃饱就好,有点小积蓄就好,生活开...并不是每个人都有波澜壮阔的人生经历,也许每个人在小时候都曾经幻想自己在不太遥远的将来可以大权在握、富可敌国、万众瞩目、功成名就,但在成长的过程中这些幻想渐渐被现实冲散。我们发现活着就好,能吃饱就好,有点小积蓄就好,生活开始变得有些漫无目标,只是闷头走稳每一步。比起名人们被聚光灯围绕的生活,更"平凡"一些的人生别有一种美感,像一个无名的艺术家用一生时间去雕刻一件举世无双的艺术品。比之于酒,大多数人的人生像日常餐酒(VDT vin de table),不甚名贵却又不可不喝;不禁细品却又有滋有味。"我还不算成功人士吧?大成功是没有的,说小成功的话还差不多",接受采访时李善顺女士这么说。"小成功",不妨称之为地区餐酒(VDP,vin de pays)吧,虽然逊于AOC,却又好过VDT。展开更多
文摘随着企业信息化进程的不断推进和业务复杂性的提升,私有云的部署能够有效提升资源利用率和运维效率,还能够实现资源的动态按需分配,但随着私有云规模的不断扩大,传统的数据备份方式已经无法满足私有云环境下的备份需求,如果缺乏适当的备份策略,当发生系统故障时,业务恢复时间较长,连续性很难得到保障。本文研究了基于vSphere Data Protection(VDP)的企业私有云备份策略,以某企业私有云环境为例,介绍了VDP的部署及数据恢复方法,实验结果表明,本文方法能够有效实现企业私有云环境的备份,保障业务的连续性。
文摘通过对范德玻尔(van der pol)方程的数学模型分析,利用Simulink仿真系统建立了自激系统的仿真模型,并给出仿真模型的模块设计图和计算结果图像.通过仿真模型的封装,演示了对几个参数变量在封装模块参数对话框中参数值的统一设置.在解决二阶常微分方程中,使用Simulink仿真方法能客观地操作系统的具体行为并能得到及时的结果.
文摘This study aims to determine the phenomenological bifurcation(P-bifurcation)occur-ring in the van der Pol(VDP)neuronal model of burst neurons with a random signal.We observe the P-bifurcation under an intense noise stimulus which would become chaotic transitions.Bursting and spiking simulations are used to describe the causes of chaotic transitions between two periodic phases that are the reason for the neuronal activities.Ran-domness plays a crucial role in detecting the P-bifurcation.To determine the equilibrium points,stability or instability of the stochastic VDP equation,and bifurcation,we use the stochastic averaging method and some related theorems.Apart from theoretical methods,we also examine numerical simulations in the particular case of that stochastic equation that illustrates the outcome of theorems for various noise types.The most striking part of our theoretical findings is that these results are also valid for the Izhikevich-FitzHugh model,Bonhoeffer-van der Pol oscillator in dynamical systems of neuroscience.Finally,we will discuss some applications of the VDP equation in neuronal activity.
文摘并不是每个人都有波澜壮阔的人生经历,也许每个人在小时候都曾经幻想自己在不太遥远的将来可以大权在握、富可敌国、万众瞩目、功成名就,但在成长的过程中这些幻想渐渐被现实冲散。我们发现活着就好,能吃饱就好,有点小积蓄就好,生活开始变得有些漫无目标,只是闷头走稳每一步。比起名人们被聚光灯围绕的生活,更"平凡"一些的人生别有一种美感,像一个无名的艺术家用一生时间去雕刻一件举世无双的艺术品。比之于酒,大多数人的人生像日常餐酒(VDT vin de table),不甚名贵却又不可不喝;不禁细品却又有滋有味。"我还不算成功人士吧?大成功是没有的,说小成功的话还差不多",接受采访时李善顺女士这么说。"小成功",不妨称之为地区餐酒(VDP,vin de pays)吧,虽然逊于AOC,却又好过VDT。
