SatelliteOribit: # 轨道起算时间
    StartTime:
        Value:
            '2017-09-15 01:55:21.0000'
        format: # 时间格式
            "%Y-%m-%d %H:%M:%S.%f"
    ReferenceSpheroid:
        Re: # 长半轴
            6378137
        Rp: # 短半轴
            6356752.3142451795
        we:
            0.000072292115
GPS: # GPS 轨道节点
    GPSNode_Path:
        ['product','GPS','GPSParam']
    NodeInfomation_Name: # [时间，x坐标，y坐标，z坐标，x速度，y速度，z速度]
        ['TimeStamp', 'xPosition', 'yPosition', 'zPosition', 'xVelocity', 'yVelocity', 'zVelocity']
    Time_format:
        "%Y-%m-%d %H:%M:%S.%f"

imageinfo: # 影像信息
    ImageBox:
        NodePath:
            ['product','imageinfo','corner']
        NodeName:
            ['topLeft','topRight','bottomLeft','bottomRight']
        latLon:
            ["latitude","longitude"]
    ImageWidthSpace:
        NodePath:
            ['product','imageinfo','widthspace']
    ImageHeightSpace:
        NodePath:
            ['product','imageinfo','heightspace']
    ImageWidth: # 影像宽
        NodePath:
            ['product','imageinfo','width']
    ImageHeight: # 影像高
        NodePath:
            ['product','imageinfo','height']
    StartImageTime: # 影像开始时间
        NodePath:
            ['product','imageinfo','imagingTime',start]
        Format:
            "%Y-%m-%d %H:%M:%S.%f"
    EndImageTime: # 影像中止时间
        NodePath:
            ['product','imageinfo','imagingTime',end]
        Format:
            "%Y-%m-%d %H:%M:%S.%f"      
    CenterImageTime: # 中心像元时间
        NodePath:
            ['product','platform','CenterTime']
        Format:
            "%Y-%m-%d %H:%M:%S.%f"      
    CenterImagePositon: # 中心像元，可以作为迭代起算点
        NodePath:
            ['product','imageinfo','center']
        Value:
            ['latitude','longitude']      
    NearRange: # 近斜距
        NodePath:
            ['product','imageinfo','nearRange']
    DopplerCentroidCoefficients: # 多普勒质心常数
            NodePath:
                ['product','processinfo','DopplerCentroidCoefficients']
            DopplerCentroidCoefficients_Name:
                ['d0','d1','d2','d3','d4']
    DopplerParametersReferenceTime:
            NodePath:
                    ['product','processinfo',"DopplerParametersReferenceTime"]
    ReferenceRange:
            NodePath:
                     ['product','imageinfo','refRange']
    incidenceAngle: # 入射角
        NearRange: # 近入射角
            NodePath:
                ['product','processinfo','incidenceAngleNearRange']
        FarRange: # 远入射角
            NodePath:
                ['product','processinfo','incidenceAngleFarRange']
            
sensor:
    PRF: # 脉冲重复频率
        NodePath:
            ['product','imageinfo','eqvPRF']
    bandWidth: # 信号带宽，计算距离向分辨率 用于距离向分辨率
        NodePath:
            ['product','sensor','waveParams','wave','bandWidth']
    lambda: # 波长
        NodePath:
            ['product','sensor','lamda']
    Fs: # 等效采样频率 eqvFs
        NodePath:
            ['product','imageinfo','eqvFs']
LightSpeed:
    299792458