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ROS demo使用的是mmwave sdk里的mmw demo，这个demo的点云通过串口（usb）提供给Linux。你能否直接获取这个串口的点云信息? mmw demo点云的格式是和配置相关的，请参考：mmwave_sdk_03_05_00_04/packages/ti/demo/xwr18xx/mmw/docs/doxygen/html/index.html里Output information sent to host章节相关内容。
