Chinese Journal of Magnetic Resonance ›› 2007, Vol. 24 ›› Issue (2): 199-204.

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Removal of the Tailing Effects of Transmitting Pulse in a Nuclear Quadrupole Resonance Detecting System for Explosive Detection

GUO Hua-min; ZHANG Guo-jin; CHEN Chun; GAO Pan   

  1. China Research Institute of Radiowave Propagation, Qingdao 266071, China
  • Received:2006-06-26 Revised:2006-08-16 Online:2007-06-05 Published:2009-12-05
  • Contact: Guo Hua-min

Abstract: In previous studies we have developed a nuclear quadrupole resonance (NQR) for detection of explosives. However, the tailing effects of the transmitting pulse in these systems represent a serious technical problem, making the detection of NQR signals difficult. In this paper, an electronic circuit was designed to remove the tails of transmitting pulses. The effectiveness of the circuit was verified by both circuit analysis and experiments.

Key words:

nuclear quadrupole resonance, pulse ringing, resistance transform, explosive detection