录制前需设置文件主要有两个

文件一：catkin_zed/src/zed-ros-wrapper-3.8.x/zed_wrapper/params/common.yaml

# params/common.yaml
# Common parameters to Stereolabs ZED and ZED mini cameras
---

# Dynamic parameters cannot have a namespace
brightness:                 4                                   # Dynamic
contrast:                   4                                   # Dynamic
hue:                        0                                   # Dynamic
saturation:                 4                                   # Dynamic
sharpness:                  4                                   # Dynamic
gamma:                      8                                   # Dynamic - Requires SDK >=v3.1
auto_exposure_gain:         true                                # Dynamic
#自动曝光，如果想全局一致可以关掉
gain:                       100                                 # Dynamic - works only if `auto_exposure_gain` is false
exposure:                   100                                 # Dynamic - works only if `auto_exposure_gain` is false
auto_whitebalance:          true                                # Dynamic
whitebalance_temperature:   42                                  # Dynamic - works only if `auto_whitebalance` is false
depth_confidence:           30                                  # Dynamic
depth_texture_conf:         100                                 # Dynamic
pub_frame_rate:             10.0                                # Dynamic - frequency of publishing of video and depth data
#数据发布频率
point_cloud_freq:           10.0                                # Dynamic - frequency of the pointcloud publishing (equal or less to `grab_frame_rate` value)

general:
    camera_name:                zed                             # A name for the camera (can be different from camera model and node name and can be overwritten by the launch file)
    zed_id:                     0
    serial_number:              0
    resolution:                 2                               # '0': HD2K, '1': HD1080, '2': HD720, '3': VGA
    grab_frame_rate:            10                              # Frequency of frame grabbing for internal SDK operations
#彩色图像抓取频率
    gpu_id:                     -1
    base_frame:                 'base_link'                     # must be equal to the frame_id used in the URDF file
    verbose:                    false                           # Enable info message by the ZED SDK
    svo_compression:            2                               # `0`: LOSSLESS, `1`: AVCHD, `2`: HEVC
    self_calib:                 true                            # enable/disable self calibration at starting
    camera_flip:                false

video:
    img_downsample_factor:      0.5                             # Resample factor for images [0.01,1.0] The SDK works with native image sizes, but publishes rescaled image.缩放因子，例如0.5会缩小图像长宽各一半
#缩放因子，按比例调节图像分辨率
    extrinsic_in_camera_frame:  true                            # if `false` extrinsic parameter in `camera_info` will use ROS native frame (X FORWARD, Z UP) instead of the camera frame (Z FORWARD, Y DOWN) [`true` use old behavior as for version < v3.1]

depth:
    quality:                    3                               # '0': NONE, '1': PERFORMANCE, '2': QUALITY, '3': ULTRA, '4': NEURAL
#控制深度图的质量级别。'0': NONE：不生成深度图。'1': PERFORMANCE：优先性能的深度图生成模式，适用于需要较高帧率的应用。'2': QUALITY'：优先质量的深度图生成模式，适用于需要更准确深度信息的应用，但可能降低帧率。'3': ULTRA'：最高质量的深度图生成模式，提供最好的深度信息，但要求高计算能力。'4': NEURAL'：使用神经网络增强的深度图生成模式，旨在提供更准确和详细的深度信息。
    sensing_mode:               0                               # '0': STANDARD, '1': FILL (not use FILL for robotic applications)
    depth_stabilization:        1                               # `0`: disabled, `1`: enabled
    openni_depth_mode:          false                           # 'false': 32bit float meters, 'true': 16bit uchar millimeters
#更高精度的深度图，但是解码时也要调整格式为32UC1
    depth_downsample_factor:    0.5                             # Resample factor for depth data matrices [0.01,1.0] The SDK works with native data sizes, but publishes rescaled matrices (depth map, point cloud, ...)

pos_tracking:
    pos_tracking_enabled:       false                            # True to enable positional tracking from start
#关闭，录制用不到
    publish_tf:                 true                            # publish `odom -> base_link` TF
    publish_map_tf:             true                            # publish `map -> odom` TF
    map_frame:                  'map'                           # main frame
    odometry_frame:             'odom'                          # odometry frame
    area_memory_db_path:        'zed_area_memory.area'          # file loaded when the node starts to restore the "known visual features" map. 
    save_area_memory_db_on_exit: false                          # save the "known visual features" map when the node is correctly closed to the path indicated by `area_memory_db_path`
    area_memory:                true                            # Enable to detect loop closure
    floor_alignment:            false                           # Enable to automatically calculate camera/floor offset
    initial_base_pose:          [0.0,0.0,0.0, 0.0,0.0,0.0]      # Initial position of the `base_frame` -> [X, Y, Z, R, P, Y]
    init_odom_with_first_valid_pose: true                       # Enable to initialize the odometry with the first valid pose
    path_pub_rate:              2.0                             # Camera trajectory publishing frequency
    path_max_count:             -1                              # use '-1' for unlimited path size
    two_d_mode:                 false                           # Force navigation on a plane. If true the Z value will be fixed to "fixed_z_value", roll and pitch to zero
    fixed_z_value:              0.00                            # Value to be used for Z coordinate if `two_d_mode` is true    

mapping:
    mapping_enabled:            false                           # True to enable mapping and fused point cloud publication
#关闭，录制用不到
    resolution:                 0.05                            # maps resolution in meters [0.01f, 0.2f]
    max_mapping_range:          -1                              # maximum depth range while mapping in meters (-1 for automatic calculation) [2.0, 20.0]
    fused_pointcloud_freq:      1.0                             # frequency of the publishing of the fused colored point cloud
    clicked_point_topic:        '/clicked_point'                # Topic published by Rviz when a point of the cloud is clicked. Used for plane detection

 文件2：

catkin_zed/src/zed-ros-wrapper-3.8.x/zed_wrapper/params/zed2i.yaml

# params/zed2i.yaml
# Parameters for Stereolabs ZED2 camera
---

general:
    camera_model:               'zed2i'

depth:
    min_depth:                  0.7             # Min: 0.2, Max: 3.0 - Default 0.7 - Note: reducing this value wil require more computational power and GPU memory
#最小深度
    max_depth:                  10.0             # Max: 40.0
#最大深度

pos_tracking:
    imu_fusion:                 true            # enable/disable IMU fusion. When set to false, only the optical odometry will be used.
sensors:
    sensors_timestamp_sync:     false           # Synchronize Sensors messages timestamp with latest received frame 不能开，开会极大降低IMU频率
    max_pub_rate:               300.            # max frequency of publishing of sensors data. MAX: 400. - MIN: grab rate imu的频率，开到400实际值会在360附近
#imu的频率
    publish_imu_tf:             true            # publish `IMU -> <cam_name>_left_camera_frame` TF

object_detection:
    od_enabled:                 false           # True to enable Object Detection [not available for ZED]
#录制用不到，关闭
    model:                      0               # '0': MULTI_CLASS_BOX - '1': MULTI_CLASS_BOX_ACCURATE - '2': HUMAN_BODY_FAST - '3': HUMAN_BODY_ACCURATE - '4': MULTI_CLASS_BOX_MEDIUM - '5': HUMAN_BODY_MEDIUM - '6': PERSON_HEAD_BOX
    confidence_threshold:       50              # Minimum value of the detection confidence of an object [0,100]
    max_range:                  15.             # Maximum detection range
    object_tracking_enabled:    true            # Enable/disable the tracking of the detected objects
    body_fitting:               false           # Enable/disable body fitting for 'HUMAN_BODY_X' models
    mc_people:                  true            # Enable/disable the detection of persons for 'MULTI_CLASS_BOX_X' models
    mc_vehicle:                 true            # Enable/disable the detection of vehicles for 'MULTI_CLASS_BOX_X' models
    mc_bag:                     true            # Enable/disable the detection of bags for 'MULTI_CLASS_BOX_X' models
    mc_animal:                  true            # Enable/disable the detection of animals for 'MULTI_CLASS_BOX_X' models
    mc_electronics:             true            # Enable/disable the detection of electronic devices for 'MULTI_CLASS_BOX_X' models
    mc_fruit_vegetable:         true            # Enable/disable the detection of fruits and vegetables for 'MULTI_CLASS_BOX_X' models
    mc_sport:                   true            # Enable/disable the detection of sport-related objects for 'MULTI_CLASS_BOX_X' models

打开驱动：

终端1：

cd  ~/path_yours/catkin_zed/

source devel/setup.bash

roslaunch zed_wrapper zed2i.launch

开始录制：

终端2：

rosbag record -O zed_result /zed2i/zed_node/depth/depth_registered   /zed2i/zed_node/imu/data /zed2i/zed_node/imu/data_raw  /zed2i/zed_node/left_raw/image_raw_color /zed2i/zed_node/left/image_rect_color /zed2i/zed_node/right/image_rect_color /zed2i/zed_node/right_raw/image_raw_color

 需要注意的地方，我都用中文注释了，自己摸索出来的，如果有谬误，欢迎指正~