نتایج جستجو برای: electromagnetic pulse
تعداد نتایج: 164181 فیلتر نتایج به سال:
We employ an effective gravitational stellar final collapse model which contains the relevant physics involved in this complex phenomena: spherical radical infall in the Schwarzschild metric of the homogeneous core of an advanced star, giant magnetic dipole moment, mag-netohydrodynamic material response and realistic equations of state (EOS). The electromagnetic pulse is computed both for mediu...
The physics of CMOS Latch-Up (latchup) under high power microwave radiation is discussed.
An electromagnetic truncated Gaussian pulse propagates through a waveguide with piecewise diierent dielectric constants. The waveguide contains a barrier, namely a region of a lower dielectric constant compared to the neighboring regions. This setup yields a purely imaginary wave vector in the region of the barrier ('electromagnetic tunneling'). We exactly calculate the time-dependent Green's f...
INTRODUcnON ing was halted in 1962. Subsequently, 11.01 Explosions of conventional reliance has been placed on underhigh explosives can produce electroground testing, analysis of existing atmagnetic signals and so the generation mospheric test data, nonnuclear simulaof an electromagnetic pulse (EMP) from tion, and theoretical calculations. a nuclear detonation was expected. Extended efforts hav...
Comment on " Coherent Acceleration by Subcycle Laser Pulses " Rau et al. [1] remark that, if a " unipolarlike " electromagnetic pulse existed, it could be used to transfer large amounts of energy to a charged particle that it overtakes in vacuum and far from any other material. An earlier work by Lai [2] made essentially the same point. Rau et al. then argue that there exists a solution to Maxw...
This paper presents a novel control approach used in shunt active power filter based on variable structure control combined with Random PWM technique (RVSC) that provides robust, fast, and more favorable performance for active power filter. This control strategy is compared with two other strategies to show the effectiveness of the introduced methods; pulse width modulated proportional-integral...
Partial discharge occurs a lot in shielded dielectric power cables. Partial discharge pulses are high-frequency electromagnetic waves that propagate in the shielded dielectric power cables. This chapter will study partial discharge propagation and detection in shielded dielectric power cables.
The focusing resolution is very important performance for ultra wideband (UWB) imaging system. In this paper, the accuracy of focusing resolution with time-reversal (TR) electromagnetic (EM) pulse propagation is analyzed. The TR EM pulse propagation is done via the numerical simulation of finite difference time domain (FDTD) method. The modulated Gaussian pulse is used as the UWB EM pulse. The ...
An accurate and direct measurement of the energy distribution of a low repetition rate terahertz electromagnetic pulse is challenging because of the lack of sensitive detectors in this spectral range. In this paper, we show how the total energy and energy density distribution of a terahertz electromagnetic pulse can be determined by directly measuring the absolute electric field amplitude and b...
A kinetic equation describing the nonlinear evolution of intense electromagnetic pulses in electron–positron (e-p) plasmas is presented. The modulational instability is analyzed for a relativistically intense partially coherent pulse, and it is found that the modulational instability is inhibited by the spectral pulse broadening. A numerical study for the one-dimensional kinetic photon equation...
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