Header header bool is_invalid bool is_matched bool is_still uint8 cluster_mask uint8 radar_id # 0--f_radar, 1--fr_radar, 3--rr_radar, 5--rl_radar, 7--fl_radar uint16 object_id # uint8 type # 0--unknown 1--pedestrian 2--cyclist 3--car 4--truck uint16 life_count # float32 rcs float32 confidence float32 azimuth # car-body(R-F-U) R--0, F--90, (0,360) geometry_msgs/Point32 position # relative position, car-body(R-F-U) geometry_msgs/Vector3 velocity # relative velocity, car-body(R-F-U) geometry_msgs/Vector3 acceleration # relative acceleration, car-body(R-F-U) geometry_msgs/Vector3 dimensions # the scale of obj x--length, y--width, z--height