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IWR6843AOP: vitalSigns demo 如何实现人员在2.3-2.8m处测量呼吸心跳?

Part Number: IWR6843AOP

vitalSigns demo中算法默认支持1m内呼吸心跳检测,如果要实现在2.3-2.8m处测量人员的呼吸心跳,在算法上需要如何优化?

备注:应用环境:我的环境比较特殊,雷达安装在房顶,高度约为2.5m,我希望人员躺在地上时,可以测量出该人员的呼吸活心跳