来源:
《安全与电磁兼容》2013年第6期
作者:李红升 刘琳 韩井玉 等
汽车防盗器辐射抗扰度试验中误报警问题整改
Correction for False Alarm of VSAS in Radiated Radio-frequency
Electromagnetic Field Immunity Test
摘要 分析了汽车防盗报警器在射频电磁场辐射抗扰度试验中误报警的原因,并根据电磁兼容理论和产品的实际情况,介绍了滤波和提高触发电压两种整改方法,并论述了各自的技术实现方法及优缺点。
关键词 汽车防盗报警器;振动传感器;射频电磁场;滤波器;触发电压
Abstract This paper mainly analyzes the reasons for false alarm of VSAS in radiated
radio-frequency electromagnetic field immunity test, and summarizes two kinds of
efficient correction methods for filtering and raising trigger voltage based on the
electromagnetic theory and the actual conditions of products, the technology
realization or the advantages and disadvantages of each method.
Keywords vehicle security alarm system (VSAS); vibration transducer; radiated radio
-frequency electromagnetic field; filter; trigger voltage