multilevel相关论文
Circumferential decompression via the posterior approach for the surgical treatment of multilevel th
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文章认为随着全球治理的参与主体日益多元化,通过多层级治理来推进气候减缓和适应,已经成为全球气候治理的题中之义。通过对气候议......
A novel high-order curvature compensation negative voltage bandgap reference(NBGR) based on a novel multilevel compensat......
A barcode-like waveguide nanostructure with discretized multilevel pixel lines is designed and optimized by a nonlinear ......
Objective:To investigate a novel surgical method for multilevel cervical spondylotic myelopathy (CSM). Methods: Totally ......
Multilevel photon combined with binary pulse position modulation(BPPM)(Manchester pulsed signals),is introduced in this ......
Based on multi-module-cascaded inverter topology, this study presented a universal multilevel inverter hybrid topology a......
对任意电平逆变器在60°坐标系下的空间矢量脉宽调制通用算法进行研究;并在此基础上推导出了多电平与两电平电压矢量之间的作用时......
将有源X型电感网络替换基本直流变换器中的二极管电感网络或者电感,并引入极性反转逆变桥可以推演出一族电流型多电平逆变器.在此......
Circumferential decompression via the posterior approach for the surgical treatment of multilevel th
Background The treatment strategies for multilevel thoracic ossification of the posterior longitudinal ligaments (T-OPLL......
受三相逆变器拓扑图非平面性的制约，很难直接运用对偶原理实现三相电压型逆变器拓扑与三相电流型逆变器拓扑之间的相互转换。为充分......
为提高并网逆变器的变换效率,提出一种新颖的五电平双降压式全桥并网逆变器,它由三电平双降压式全桥拓扑、输入分压电容和钳位支路......
为了抑制级联H桥型逆变器连接变压器时存在的变压器偏磁现象,通过对变压器偏磁现象的形成机理研究,发现变压器原边电压和副边电流......
The new 6-switch single-phase 5-level current-source inverter proposed in this paper was developed by properly simplifyi......
目的 分析和探讨我国HIV/AIDS报告现患率与宏观社会因素的关联. 方法 收集各省份经济、人口和卫生等社会因素数据资料,利用主成分......
