Ground nuclear explosion electromagnetic pulse composite environment simulation system and simulation method

Abstract

The invention discloses a ground nuclear explosion electromagnetic pulse composite environment simulation system and simulation method. The system comprises a magnetic field control circuit, an electric field control circuit and a magnetic field coil, the magnetic field control circuit is communicated with one end of the magnetic field coil through a first time delay circuit, the magnetic field coil is controlled to generate a pulsed magnetic field environment, the other end of the magnetic field coil is communicated with the electric field control circuit through a Rogowski coil, a signal acquisition circuit, a signal conditioning circuit and a second time delay circuit in sequence, a uniform field test space is generated inside the magnetic field coil, a radiation antenna surrounds the uniform field test space, and the electric field control circuit is connected with the radiation antenna to generate a pulsed strong electric field environment in the radiation antenna space. The system truly and effectively simulates the electromagnetic pulse electric field and magnetic field radiation environment generated by ground nuclear explosion, and achieves the ground nuclear explosion electromagnetic pulse composite field environment simulation; the simulation method based on the simulation system is scientific, reasonable, safe and reliable and is suitable for conducting ground nuclear explosion electromagnetic pulse environmental effect related research work.

Description

technical field [0001] The invention relates to the field of electromagnetic environment simulation, in particular to a ground nuclear explosion electromagnetic pulse composite environment simulation system and a simulation method. Background technique [0002] Due to the extreme asymmetry of the explosive environment, when a nuclear weapon explodes on the ground, it can generate a low-frequency low-impedance pulse strong magnetic field on the surface with a peak magnetic induction intensity of several hundred Gauss, a pulse duration of milliseconds, and a main energy spectrum ranging from 10Hz to 100kHz. , the rise time of the electric field generated by it is 10~100ns, the half-wave width is 1ms, and the intensity is as high as 100kV / m. The electromagnetic pulse of ground nuclear explosion has the characteristics of high intensity, high energy, low frequency, and long duration. It can penetrate the protective structure layer and enter the interior of the project, interfer...

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Problems solved by technology

However, for the ground nuclear explosion source area, the electromagnetic field environment is very complex, and there is no fixed impedance relationship in the strict sense. The electric field and magnetic field environment can be simulated separately and simultaneously. The environment offers the possibility

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