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IWR1642: 关于IWR1642人员轨迹检测

Part Number: IWR1642
Other Parts Discussed in Thread: IWR6843,

mmwave_industrial_toolbox_2_4_0测量环境,在测量人员轨迹56m时,在远离雷达方向走,直到目标消失,可以检测到56m,并且有轨迹。而当目标返回时,雷达直到目标走进距离雷达20m时,才可以识别到目标,显示目标轨迹。发现问题:在任何情况下,一旦目标丢失,就只能在目标靠近雷达板20m时才能识别到,这个什么原因呢?有什么办法可以改进的吗?麻烦工程师可以解答一下,非常感谢!