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用 WiFi 测心跳:不穿设备,也能精准监测
Pulse-Fi的工作原理,来源于一个人人家中都有的现象: WiFi信号会被周围物体吸收和扰动。 Pulse-Fi系统由一个发射器和一个接收器组成, 其核心是一个能识别心跳信号的机器学习算法。 研究核心成员包括计算机工程教授Katia Obraczka、博士生Nayan Bhatia,以及年仅高中生的访问研究员Pranay Kocheta。
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