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首页> 外文期刊>Applied Spectroscopy: Society for Applied Spectroscopy >Passive Standoff Detection of SF_(6) at a Distance of 5.7 km by Differential Fourier Transform Infrared Radiometry
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Passive Standoff Detection of SF_(6) at a Distance of 5.7 km by Differential Fourier Transform Infrared Radiometry

机译：差分傅里叶变换红外辐射法在5.7 km处对SF_（6）的被动对峙检测

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摘要

Recent results are presented on the passive detection, identification, and quantification of a vapor cloud of SF_(6) measured at a horizontal standoff distance of 5.7 km using a dual-beam interferometer optimized for background signal suppression. The measurements were performed at Defense Research and Development Canada (DRDC)-Valcartier during a number of recent open-air experiments. The measurement approach is based on the differential passive standoff detection method that has been developed by DRDC Valcartier during the past few years. This work represents the first such measurement reported in the open literature for a standoff distance as large as 5.7 km. These results clearly demonstrate the capability of the differential radiometry approach to the detection, identification, and quantification of chemical vapor clouds located at long distances from the sensor.
机译：使用针对背景信号抑制进行了优化的双光束干涉仪，在5.7 km的水平间隔距离处测得的SF_（6）蒸气云的被动检测，识别和定量化，提供了最新结果。这些测量是在加拿大国防研究与发展部（DRDC）-Valcartier进行的一系列近期露天试验中进行的。该测量方法基于DRDC Valcartier在过去几年中开发的差分被动隔离检测方法。这项工作代表了公开文献中首次报道的此类测量，其对峙距离高达5.7 km。这些结果清楚地证明了差分辐射法能够检测，识别和量化与传感器相距很远的化学蒸气云的能力。

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