简述了窃听技术分类和红外热成像原理, 分析了将红外热成像技术应用于反窃听领域的可行性, 并重点介绍了一种基于制冷型红外焦平面探测器的反窃听设备设计方案。该方案具有一定的技术优势, 且对部分窃听装置具有良好的侦测效果。此方案在设计时以用户及使用场景为出发点, 重点关注人机适应性, 具有一定的市场前景。

This paper briefly discusses the classification of eavesdropping technology and the principle of infrared thermal imaging, analyzes the feasibility of applying infrared thermal imaging technology in the field of anti-eavesdropping, and emphatically introduces a design scheme of the anti-eavesdropping equipment based on cooled infrared focal plane detector. The scheme has certain technical advantages and good detection effect for some eavesdropping devices. The design of this scheme is based on users and usage scenarios, and focuses on man-machine adaptability, so it has a certain market prospect.