2006•Journal of PLA University of Science and TechnologyRequires access

Theory and test on nuclear quadrupole resonance explosive detection

Pan Gao

Abstract

For solving false signal of landmine detection and realizing effective landmine detection,the basic principle of nuclear quadrupole resonance and its condition in explosive detection were introduced,and the resonant frequency and detection method of N14 nucleus in RDX and TNT were also analyzed. The actable experiment system for the explosive detection was presented. The free induction decay (FID) signal and its FFT transform of RDX,frequency response of RDX and the influence on detection signal in the case of different quantity RDX were particular researched and analyzed, and the system of test research on RDX realizes effective detection of RDX explosive.

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Available abstract

Key concepts: Explosive material, Nuclear quadrupole resonance, Explosive detection, SIGNAL (programming language), Quadrupole, Detection theory, Resonance (particle physics), Fast Fourier transform