欢迎阅读本文档，希望本文档能对您有所帮助!1 FY-3A中分辨率光谱成像仪L1数据（OBC） 1.1 数据概况表1 FY-3A中分辨率光谱成像仪L1数据（OBC）概况表产品名称FY-3A中分辨率光谱成像仪L1数据（OBC）FY-3A MERSI Level 1 Onboard calibration data Products物理意义（中英文）该产品存放MERSI星上定标设备相关的原始数据和定标处理结果数据This product includes the MERSI onboard calibration source data and the results of calibration processing用途（中英文）该数据主要用于MERSI星上性能状态离线分析和星上定标离线处理，特别是可见近红外通道星上定标数据处理。This product is used to offline analysis of instruments status and onboard calibration processing, especially for calibration of solar reflective bands.用户MERSI仪器研制方和定标工作组MERSI Manufacturer and Calibration Working Group1.2 数据基本信息表2 FY-3A中分辨率光谱成像仪L1数据（OBC）基本信息表产品名称：FY-3A中分辨率光谱成像仪L1数据（OBC）文件名约定：FY3A_MERSI_GBAL_L1_YYYYMMDD_HHmm_OBCXX_MS.HDF栏目值备注卫星名FY3A参考“附件2：风云三号应用数据文件名命名规范”4.3仪器名称MERSI数据区域类型GBAL数据级别L1分辨率数据格式名称HDF分块方式块/5分钟数据量5.36M2 L1数据规格2.1 结构特性2.1.1 HDF数据格式结构表3 FY-3A中分辨率光谱成像仪L1数据（OBC）HDF结构L1全局文件属性私有文件属性私有文件属性名私有文件属性中文名1Frame_CountFrame_Count帧计数2Broadcast_TImeBroadcast_TIme广播时间3Day_CountDay_Count天计数4Millisecond_CountMillisecond_Count毫秒计数5Time_IntervalTime_Interval时间间隔6Time_CountTime_Count计时器7PositionPosition位置8Position_TimePosition_Time位置时间9AttitudeAttitude姿态10Attitude_TimeAttitude_Time姿态时间11Cal_SignalCal_Signal定标器信号12Bracket_Calibratior_TempBracket_Calibratior_Temp支架温度DN13Cool_Tem_VoltageCool_Tem_Voltage辐冷温度电压14Status_TelemetryStatus_Telemetry遥测状态参数15Gain_statusGain_status增益状态16BB_TempBB_Temp黑体温度17Scan Type Scan Type 扫描类型18VOC start time VOC start time VOC起始时间(十进制小时)19BB start timeBB start timeBB起始时间(十进制小时)20SV start timeSV start timeSV起始时间(十进制小时)21EV start timeEV start timeEV起始时间(十进制小时)22EV center timeEV center time地球观测中心时间(十进制小时)23VOC Sun azimuthVOC Sun azimuth积分球太阳方位角24VOC Sun zenithVOC Sun zenith积分球太阳天顶角25IR_Cal_CoeffIR_Cal_Coeff红外通道定标系数26VIS_Cal_CoeffVIS_Cal_Coeff可见光通道定标系数27TimeCode_QC_FlagTimeCode_QC_Flag时间码质量检验码28Instrment_State_QC_FlagInstrment_State_QC_Flag仪器状态质量检验码29IR_DN_Normalized_CoeffIR_DN_Normalized_Coeff红外通道多探元修正系数30VIS_250m_DN_Normalized_CoeffVIS_250m_DN_Normalized_Coeff250m反射通道多探元修正系数31VIS_1km_DN_Normalized_CoeffVIS_1km_DN_Normalized_Coeff1km反射通道多探元修正系数科学数据集科学数据集名(英文)科学数据集中文名SDS 1SV_250m_REFLSV_250m_REFL250M反射通道空间扫描DNSDS 2VOC_250m_REFLVOC_250m_REFL250M反射通道星上定标器扫描DNSDS 3BB_250m_REFLBB_250m_REFL250M反射通道黑体扫描DNSDS 4SV_250m_EMISSV_250m_EMIS250M红外通道空间扫描DNSDS 5VOC_250m_ EMISVOC_250m_ EMIS250M红外通道星上定标器扫描DNSDS 6BB_250m_ EMISBB_250m_ EMIS250M红外通道黑体扫描DNSDS 7SV_1kmSV_1km1KM反射通道空间扫描DNSDS 8VOC_1kmVOC_1km1KM反射通道星上定标器扫描DNSDS 9BB_1kmBB_1km1KM反射通道黑体扫描DNSDS 10OBC_PRT_TemperatureOBC_PRT_Temperature星上定标器PRT温度SDS 11OBC_BB_Average_Temperature OBC_BB_Average_Temperature 星上黑体平均温度SDS 12DN_avg_SV_1kmDN_avg_SV_1km1KM反射通道空间扫描DN平均值SDS 13DN_avg_SV_250mDN_avg_SV_250m250M反射通道空间扫描DN平均值SDS 14IR_DN_SVIR_DN_SV250M红外通道空间扫描DN平均值SDS 15EVC_Lon_LatEVC_Lon_Lat1KM星下点经纬度SDS 16EVC_Azi_ZenEVC_Azi_Zen太阳相对卫星角度（方位角天顶角）SDS 17BB_250m_EMIS_QC_FlagBB_250m_EMIS_QC_Flag红外通道黑体扫描数据质量检验码SDS 18SV_250m_EMIS_QC_FlagSV_250m_EMIS_QC_Flag红外通道空间扫描数据质量检验码2.1.2 HDF全局文件属性表4 FY-3A中分辨率光谱成像仪L1数据（OBC）全局文件属性定义描述属性名称数据类型数量值卫星名称（如FY-3A等）Satellite Name8-bit signed char不定长FY-3A仪器名称Sensor Name8-bit signed char不定长Medium Resolution Spectral Imager传感器代码（如VIRR）Sensor Identification Code8-bit signed char不定长MERSI数据集名称（如MPT）Dataset Name8-bit signed char不定长MPT文件名称File Name8-bit signed char不定长文件别名File Alias Name8-bit signed char不定长产品生成地（NSMC）Responser8-bit signed char不定长NSMC处理软件版本号(如V1.0.0)Version Of Software8-bit signed char不定长V 1.0.0处理软件更新日期Software Revision Date8-bit signed char不定长定标系数版本号Version Of Coefficient Index8-bit signed char不定长定标系数更新日期Coefficient Index Revision Date8-bit signed char不定长数据观测开始日期(包括年月日)Observing Beginning Date8-bit signed char不定长数据观测开始时间（包括时分秒毫秒）Observing Beginning Time8-bit signed char不定长数据观测结束日期(包括年月日)Observing Ending Date8-bit signed char不定长数据观测结束时间（包括时分秒毫秒）Observing Ending Time8-bit signed char不定长数据创建日期(包括年月日)Data Creating Date8-bit signed char不定长数据创建时间（包括时分秒毫秒）Data Creating Time8-bit signed char不定长白天夜间标志Day Or Night Flag8-bit signed char不定长轨道号Orbit Number 32-bit unsigned Integer1轨道周期Orbit Period16-bit unsigned Integer1轨道方向Orbit Direction8-bit signed char1数据质量标记(1-5级)Data Quality8-bit unsigned Integer1总扫描数Number Of Scans32-bit signed Integer1白天模式扫描数Number Of Day mode scans32-bit signed Integer1晚上模式扫描数Number