<p>A multi-resonant nuclear quadrupole resonance (NQR) inspection system is disclosed. The system comprises a multi-resonant circuit 16 tuned to simultaneously transmit and receive a plurality of signais. The receiver circuit comprises passive circuit protection in the form of a lumped element quarter-wave unit 10 and a signal generator 6 and frequency mixer 8 are used to modify the return signais in order to facilitate signal monitoring. The system has been shown to simultaneously detect RDX and PETN.</p>
申请公布号
WO2004109314(A1)
申请公布日期
2004.12.16
申请号
WO2004GB02182
申请日期
2004.05.20
申请人
THE SECRETARY OF STATE FOR DEFENCE;SHILSTONE, GARETH, NIGEL;BRADLEY, JOHN, MICHAEL;JENKINSON, RICHARD, IAN
发明人
SHILSTONE, GARETH, NIGEL;BRADLEY, JOHN, MICHAEL;JENKINSON, RICHARD, IAN