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ANALYSIS OF ELECTROMAGNETIC RADIATION PROCESS OF TYPICAL SINGLE-COMPOUND EXPLOSIVE
Abstract
Explosion will generate electromagnetic radiation, the time domain waveform and spectrum generated from different types of explosives are different. For researching the characteristics of the electromagnetic radiation in process of explosion, the electromagnetic radiation signals and the images of the explosion process of typical single-compound explosives TNT and RDX are measured by wide band electromagnetic radiation signal measuring devices and high-speed photography. The experimental results show that the peak time of electromagnetic signals of TNT and RDX are significantly delayed compared with the initiation time of the detonation. The delay time of the peak signal of TNT explosion electromagnetic radiation is 55.07μs, and the delay time of RDX is 68.40μs. At 5m from the detonation center, the peak signal electric field strength of TNT and RDX explosion electromagnetic radiation is 1.92V/m. After the initial discharge interference signals have been removed, the electromagnetic pulse signals are analyzed by Fast Fourier Transform, it is shown that during explosion, the frequency of electromagnetic radiation is within 100MHz, and the frequency spectrums of electromagnetic radiation signals of different explosives are different.
DOI
10.12783/ballistics22/36054
10.12783/ballistics22/36054
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