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IWR1642: driver-vital-signs例程呼吸心跳速率一直显示0

Part Number: IWR1642


mmwave_automotive_toolbox_2_7_1__win\mmwave_automotive_toolbox_2_7_1\labs\lab0001-driver-vital-signs\vitalSigns_host

在使用这个例程的时候,gui显示界面,呼吸心跳一直显示0,这是为什么