| NQR炸药检测系统中激励脉冲拖尾的抑制 |
| |
| 引用本文： | 郭华民,张国选,陈春,高攀.NQR炸药检测系统中激励脉冲拖尾的抑制[J].波谱学杂志,2007,24(2):199-204. |
| |
| 作者姓名： | 郭华民 张国选 陈春 高攀 |
| |
| 作者单位： | 中国电波传播研究所，山东 青岛 266071 |
| |
| 摘 要： | 介绍了核四极矩共振（Nuclear Quadrupole Resonance简称NQR）炸药检测系统的基本原理及检测过程中面临的如何消除激励脉冲信号拖尾对NQR检测信号的影响问题. 文中采用了在发射电路中增加消振铃电路来消除激励脉冲拖尾的方法，并给出了电路分析和实验结果. 经实际应用验证，该种方法对消除激励脉冲拖尾具有较好的效果，提高了系统的探测能力.
|
| 关 键 词： | 脉冲振铃 核四极矩共振 阻抗变换 炸药检测 |
| 文章编号： | 1000-4556（2007）02-0199-06 |
| 收稿时间： | 2006-6-26 |
| 修稿时间： | 2006-06-262006-08-16 |
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.Removal of the Tailing Effects of Transmitting Pulse in a Nuclear Quadrupole Resonance Detecting System for Explosive Detection[J].Chinese Journal of Magnetic Resonance,2007,24(2):199-204. |
| |
| Authors: | GUO Hua-min ZHANG Guo-jin CHEN Chun GAO Pan |
| |
| Institution: | China Research Institute of Radiowave Propagation, Qingdao 266071, China |
| |
| 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. |
| |
| Keywords: | nuclear quadrupole resonance pulse ringing resistance transform explosive detection |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
| 点击此处可从《波谱学杂志》浏览原始摘要信息 |
| 点击此处可从《波谱学杂志》下载免费的PDF全文 |
