中图分类号： TP391.9 文献标识码： A DOI：10.16157/j.issn.0258-7998.222652 中文引用格式： 梁庆真，周杨，张彭豪. 毫米波雷达在皮沙发干扰下的有无人检测方法[J].电子技术应用，2022，48(9)：149-152. 英文引用格式： Liang Qingzhen，Zhou Yang，Zhang Penghao. Manned and unmanned detection with the interference of the leather sofa[J]. Application of Electronic Technique，2022，48(9)：149-152.
Manned and unmanned detection with the interference of the leather sofa
Liang Qingzhen，Zhou Yang，Zhang Penghao
Sichuan Qiruike Technology Co., Ltd., Chengdu 610041, China
Abstract： When mmwave radar makes the manned or unmanned detection in the smart home environment, leather sofa reflects a strong signal because of its material itself, the strong reflection signals would bring a great disturbance, and finally cause false alarm. Aiming at this problem, a specific parameters through the human body breathe the margin of ups and downs in the chest wall was obtained , and the threshold was setted, coupled with the breathing frequency of the low frequency limit, and by choosing specific 4 root virtual antenna can achieve the threshold number do some judgement, greatly eliminating the false alarm interference of leather sofa.
Key words : mmwave radar; manned and unmanned detection; false alarm