阮考复习资料200437

rosbag2_bagfile_information: version: 4 storage_identifier: sqlite3 relative_file_paths: - filter3.bag_0.db3 duration: nanoseconds: 149312170237 starting_time: nanoseconds_since_epoch: 1701325150954228593 message_count: 14203 topics_with_message_count: - topic_metadata: name: /asensing_imu type: std_msgs/msg/UInt8MultiArray serialization_format: cdr offered_qos_profiles: "- history: 3\n depth: 0\n reliability: 1\n durability: 2\n deadline:\n sec: 2147483647\n nsec: 4294967295\n lifespan:\n sec: 2147483647\n nsec: 4294967295\n liveliness: 1\n liveliness_lease_duration:\n sec: 2147483647\n nsec: 4294967295\n avoid_ros_namespace_conventions: false" message_count: 14203 compression_format: "" compression_mode: ""