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This paper reviews developments in high-altitude electromagnetic pulse (HEMP) research in China in recent decades. The main contents are obtained from a literature survey of technical papers published in the past years, which include HEMP simulators and test systems, coupling analysis methods and results, experimental research on the susceptibility of electronic equipment, time-domain measurement,...
Although the multi-resolution time domain scheme (MRTD) has been applied successfully in many areas, it's complicated implementation disappointed the researchers a lot. However, there is such a kind of S-MRTD, which based on the scaling functions with compactly supported and interpolation characters, bringing a lot of convenience to the implementation of boundary conditions and the modeling of inhomogeneous...
A mechanical and finite element method(FEM) model of vehicle and track structure coupling system are established. The modal and harmonic analysis are carried out by FEM. The natural frequency and modal shape are presented. The ride comfort and subgrade reaction are dealt with by considering the natural frequency. The influence of vibration isolation effect on system is also described by comparing...
We investigate exciton dynamics in disordered quantum wells with optical two-dimensional Fourier transform spectroscopy (2DFTS). The lack of cross peaks in 2DFTS suggests that excitons localized in spatially separated regions are uncoupled.
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