As for the Domino effect dv/dt and electromagnetic interference during the rapid switching course of single-chip switching power supply,this article firstly analyzes electromagnetic interference source,and then diagno...As for the Domino effect dv/dt and electromagnetic interference during the rapid switching course of single-chip switching power supply,this article firstly analyzes electromagnetic interference source,and then diagnoses the essential interaction relationship between interference and switching activity based on the timely and area measured waveform,analyzes and studies the production mechanism and coupling path of interference mode,and sets up circuit model according to the features of transverse mode interference and common mode interference.Put forward different suppression methods finally.展开更多
A new method for designing metasurfaces has been proposed and demonstrated,which allows for the generation of precise quantitative field distributions.This unique approach involves combining a tandem neural network wi...A new method for designing metasurfaces has been proposed and demonstrated,which allows for the generation of precise quantitative field distributions.This unique approach involves combining a tandem neural network with an iterative algorithm to optimize the metasurface design,enabling accurate control over the intensity and polarization of the resulting field.This strategy is both efficient and robust and has the potential to accelerate the development of metasurface devices with complex functionalities.展开更多
基金Tianjin Natunal science Foundation of China(No:05YFSYSF033)
文摘As for the Domino effect dv/dt and electromagnetic interference during the rapid switching course of single-chip switching power supply,this article firstly analyzes electromagnetic interference source,and then diagnoses the essential interaction relationship between interference and switching activity based on the timely and area measured waveform,analyzes and studies the production mechanism and coupling path of interference mode,and sets up circuit model according to the features of transverse mode interference and common mode interference.Put forward different suppression methods finally.
文摘A new method for designing metasurfaces has been proposed and demonstrated,which allows for the generation of precise quantitative field distributions.This unique approach involves combining a tandem neural network with an iterative algorithm to optimize the metasurface design,enabling accurate control over the intensity and polarization of the resulting field.This strategy is both efficient and robust and has the potential to accelerate the development of metasurface devices with complex functionalities.