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首页> 外文期刊>IEEE Geoscience and Remote Sensing Letters >Countering Radio Frequency Interference in Single-Sensor Quadrupole Resonance
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Countering Radio Frequency Interference in Single-Sensor Quadrupole Resonance

机译:对抗单传感器四极共振中的射频干扰

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摘要

Nuclear quadrupole resonance (NQR) is a solid-state radio frequency (RF) spectroscopic technique that allows for the detection of many narcotics and highly explosive substances. Unfortunately, the practical use of NQR is often restricted by the presence of strong RF interference (RFI). In this letter, extending our recent work on stochastic NQR (sNQR), we propose acquiring signal-of-interest free samples, containing only corrupting signals, and exploiting them to reduce the effects of RFI on conventional NQR (cNQR) measurements. Similar to the sNQR case, the presented detectors are able to substantially outperform previous cNQR detectors when RFI is present.
机译:核四极共振(NQR)是一种固态射频(RF)光谱技术,可用于检测许多麻醉品和高爆炸性物质。不幸的是,NQR的实际使用通常受到强RF干扰(RFI)的限制。在这封信中,扩展了我们对随机NQR(sNQR)的最新研究,我们建议获取无信号样本,仅包含损坏的信号,并利用它们来减少RFI对常规NQR(cNQR)测量的影响。类似于sNQR情况,当存在RFI时,所提供的检测器能够大大胜过先前的cNQR检测器。

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