Bounded wave intensity electromagnetic pulse simulation system
An analog system, strong electromagnetic technology, applied in the field of electromagnetic field, can solve problems such as large degree of dispersion, poor stability, and small change of electromagnetic pulse amplitude.
Active Publication Date: 2021-03-23
CHINA ELECTRONICS PROD RELIABILITY & ENVIRONMENTAL TESTING RES INST THE FIFTH ELECTRONICS RES INST OF MIITCEPREI LAB
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Problems solved by technology
[0004] Based on this, it is necessary to provide an improved bounded wave strong electromagnetic pulse simulation system for the problems of smal
Method used
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specific Embodiment 1
[0053] The energy storage capacitor 12 is adjusted to 476pF, the working gas in the air switch 13 is adjusted to dry air, the pressure is 0.5 atmospheres, and the discharge gap is 5mm.
[0054] Such as Figure 4 As shown, it can be seen that the peak value of the voltage pulse formed in this case is close to 40kV, the rising edge is 8ns, and the pulse width is 53ns.
specific Embodiment 2
[0056] The energy storage capacitor 12 is adjusted to 33nF, the working gas in the air switch 13 is adjusted to dry air, the pressure is 1 atmosphere, and the discharge gap is 10mm.
[0057] Such as Figure 5 As shown, it can be seen that the peak value of the voltage pulse formed in this case is close to 30kV, the rising edge is 32.8ns, and the pulse width is 1.19μs.
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The invention provides a bounded wave intensity electromagnetic pulse simulation system. The system comprises a high-voltage pulse assembly and a waveguide type antenna connected with the high-voltagepulse assembly, wherein the tail end of the waveguide type antenna is connected with a load; the high-voltage pulse assembly comprises a direct-current high-voltage module, a charging resistor, an energy storage capacitor and an air switch which are connected in sequence, the capacitance value of the energy storage capacitor is adjustable, the air switch comprises a shell, and a first electrode and a second electrode with variable discharge gaps are arranged in the shell and filled with working gas with variable pressure intensity; the direct-current high-voltage module is used for outputtingdirect-current high voltage and compressing the direct-current high voltage into the energy storage capacitor through the charging resistor, the energy storage capacitor is used for triggering the air switch to be broken down to form corresponding voltage pulses, and the voltage pulses are transmitted to a load through the waveguide type antenna. Strong electromagnetic pulse amplitude, leading edge and pulse width output by the system are large in variation amplitude and small in dispersion degree, and the stability of the system is high.
Description
technical field [0001] The invention relates to the field of electromagnetic field technology, in particular to a bounded wave strong electromagnetic pulse simulation system. Background technique [0002] The high-altitude nuclear electromagnetic pulse (HEMP) effect test is a test that places the subject in the HEMP environment, studies its effect law, and evaluates its combat effectiveness and survivability in the HEMP environment, usually in an artificially simulated radiation environment. next. At present, domestic common HEMP simulators include radiation wave simulators and bounded wave simulators, which are composed of high-voltage pulse sources, transmission lines and terminal loads. The bounded wave simulator (also known as the guided wave electromagnetic pulse simulator) uses a parallel plate transmission line as its antenna, and the electromagnetic wave propagates along the parallel plate transmission line, mainly in the TEM mode. During the propagation of electro...
Claims
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CPCG01R31/00
Inventor 方文啸张航刘欣汪玉龙邵伟恒黄权王磊
Owner CHINA ELECTRONICS PROD RELIABILITY & ENVIRONMENTAL TESTING RES INST THE FIFTH ELECTRONICS RES INST OF MIITCEPREI LAB
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