系统业务产品特性卡

1、1 FY-3A中分辨率光谱成像仪L1数据（OBC1.1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（OBCFY-3AMERSLevel 1 On boardcalibrati on dataProducts物理意义（中英文）该产品存放MERS1星上定标设备相关的原始数据和定标处理结果数据This product in eludes the MERSI on board calibrati on source data and the results of calibrati on process ing用途（中英文）该数据主要用

2、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 offli ne an alysis ofin strume nts status and on board calibrati on process ing, especially for calibrati on of solar reflective ban ds.用户MERS仪器研制方和定标工作组MERSI Manu facturer and Calibratio n Worki ngGroup1.2数据基本信息表2 FY-3A中分辨率光谱成像仪

3、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：FY 3A_MERSI_GBAL_L1_Y YYYMMDD_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_C ountFrame_C o

4、unt帧计数2Broadcast_TlmeBroadcast_Tlme广播时间3Day_Cou ntDay_Cou nt天计数4Milliseco nd_Cou ntMilliseco nd_Cou nt毫秒计数5Time J ntervalTimenterval时间间隔6Time_Co untTime_Co unt计时器7Positi onPositi on位置8Positio n_TimePositio n_Time位置时间9AttitudeAttitude姿态10Attitude_TimeAttitude_Time姿态时间11Cal_Sig nalCal_Sig nal定标器信 12Br

5、acket_Calibratior_TempBracket_Calibratior_Temp支架温度DN13Cool_Tem_VoltageCool_T em_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 TypeScan Type扫描类型18VOC start timeVOC start timeVOC起始时 间（十进制小时）19BB start timeBB start timeBB起始时间（十进制小时）20SV star

6、t 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 cen ter timeEV cen ter 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 zen ithVOC Sun zen ith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TimeCode_QC_FlagTimeCode_QC_F

7、lag时间码质27量检验码In strme nt_State_QC_FlagIn strme nt_State_QC_Flag仪器状态28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31VIS1 km_DN_Normalized_CoeffVIS_1 km_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SD

8、S1SV_250m_REFLSV_250m_REFL250M反射通道空间扫描DNSDS2VOC_250m_REFLVOC_250m_REFL250M反射通道星上定标器扫描DNSDS3BB_250m_REFLBB_250m_REFL250M反射通道黑体扫描DNSDS4SV_250m_EMISSV_250m_EMIS250M红外通道空间扫描DNSDS5VOC_250m_ EMISVOC_250m_ EMIS250M红外通道星上定标器扫描DNBB_250m_ EMISBB_250m_ EMIS250M红外SDS通道黑体6扫描DNSV_1 kmSV_1 km1KM反射SDS通道空间7扫描DNV0C_1

9、 kmV0C_1 km1KM反射SDS通道星上8定标器扫描DNSDSBB_1 kmBB_1 km1KM反射9通道黑体扫描DNOBCPRTTemperatureOBC_PRT_Temperature星上定标SDS器PRT温10度SDSOBC_B B_Ave rag e_T emperatureO B C_B B_Ave rag e_T emperature星上黑体11平均温度DN_avg_SV_1 kmDN_avg_SV_1 km1KM反射SDS通道空间12扫描DN平均值D N_avg_SV_250mDN_avg_SV_250m250M反射SDS通道空间13扫描DN平均值SDSIR_DN_SVI

10、R_DN_SV250M红外14通道空间扫描DN平均值SDSEVC_Lon_LatEVC_Lon_Lat1KM星下15点经纬度EVC_Azi_ZenEVC_Azi_Zen太阳相对SDS卫星角度16（方位角天顶角）BB_250m_EMIS_QC_FlagBB_250m_EMIS_QC_Flag红外通道SDS黑体扫描17数据质量检验码SV_250m_EMIS_QC_FlagSV_250m_EMIS_QC_Flag红外通道SDS空间扫描18数据质量检验码2.1.2HDF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里值/古描述属性名称数据类型数里值

11、2.1.3私有文件属性表5 FY-3A中分辨率光谱成像仪L1数据（OBC私有文件属性定义场 j LD ntr t描述属性名称数据类型数里/有效范表6 FY-3A中分辨率光谱成像仪L1数据（OBC科学数据集（SDS定义SDS 1. SDS NameTypeDime nsionsData SizeSV_250m_REFLui nt164, 200*40,241.536MSDS AttributeData Typenu mbervalueunitsstri ng1NOvalid_ra ngein t3220,4095_FillValuein t321-9999in terceptfloat3240s

12、lopefloat3241long_n amestri ng1Space View DN of 250mReflective Ban dsSDS 2. SDS NameTypeDime nsionsData SizeVOC_250m_REFLui nt164, 200*40,241.536MSDS AttributeData Typenu mbervalueunitsstri ng1NOvalid_ra ngein t3220,4095_FillValuein t321-9999in terceptfloat3240slopefloat3241long_n amestri ng1Visble

13、OboardCalibrator DN of 250mReflective Ban dsSDS 3. SDS NameTypeDime nsionsData SizeBB_250m_REFLui nt164, 200*40,241.536MSDS AttributeData Typenu mbervalueunitsstri ng1NOvalid_ra ngein t3220,4095_FillValuein t321-9999in terceptfloat3240slopefloat3241long_n amestri ng1BlackBody Sea nning DN of250m Ref

14、lective Ban dsSDS 4. SDS NameTypeDime nsionsData SizeSV_250m_EMISui nt161,200*40, 240.384MSDS AttributeData Typenu mbervalueunitsstri ng1NOvalid_ra ngein t3220,4095_FillValuein t321-9999in terceptfloat3210slopefloat3211long_n amestri ng1Space View DN of 250mEmissive Ban ds”SDS 5. SDS NameTypeDime ns

15、ionsData SizeVOC_250m_ EMISui nt161,200*40,240.384MSDS AttributeData Typenu mbervalueunitsstri ng1NOvalid_ra ngein t3220,4095_FillValuein t321-9999in terceptfloat3210slopefloat3211long_n amestri ng1Visble OboardCalibrator DN of 250mEmissive Ban ds”SDS 6. SDS NameTypeDime nsionsData SizeBB_250m_ EMIS

16、ui nt161,200*40,240.384MSDS AttributeData Typenu mbervalueunitsstri ng1NOvalid_ra ngein t3220,4095_FillValuein t321-9999in terceptfloat3210slopefloat3211long_n amestri ng1BlackBody Sea nning DN of250m Emissive Ban dsSDS 7. SDS NameTypeDime nsionsData SizeS V_1 kmui nt1615, 200*10,0.3606SDS Attribute

17、Data Typenu mbervalueunitsstri ng1NOvalid_ra ngein t3220,4095_FillValuein t321-9999in terceptfloat32150slopefloat32151long_n amestri ng1Space View DN of 1kmReflective Ban dsSDS 8. SDS NameTypeDime nsionsData SizeV0C_1 kmui nt1615, 200*10,60.360SDS AttributeData Typenu mbervalueunitsstri ng1NOvalid_r

18、a ngein t3220,4095_FillValuein t321-9999in terceptfloat32150slopefloat32151long_n amestri ng1Visble OboardCalibrator DN of 1kmReflective Ban dsSDS 9. SDS NameTypeDime nsionsData SizeBB_1 kmui nt1615, 200*10,60.360SDS AttributeData Typenu mbervalueunitsstri ng1NOvalid_ra ngein t3220,4095_FillValuein

19、t321-9999in terceptfloat32150slopefloat32151long_n amestri ng1BlackBody Sea nning DN of1km Reflective Ban ds”SDS 10. SDS NameTypeDime nsionsData SizeOBC_PRT_TemperatureFloat32200, 40.032SDS AttributeData Typenu mbervalueunitsstri ng1NOvalid_ra ngefloat6420,4095_FillValuefloat641-9999in terceptfloat6

20、410slopefloat6411long_n amestri ng1BlackBody 4 PRTstemperatureSDS 11. SDS NameTypeDime nsionsData SizeO B C_B B_Ave rag e_T empe ratureFloat32200, 10.008SDS AttributeData Typenu mbervalueunitsstri ng1NOvalid_ra ngefloat6420,4095_FillValuefloat641-9999in terceptfloat6410slopefloat6411long_n amestri n

21、g1BlackBody mean of 4PRTs temperatureSDS 12. SDS NameTypeDime nsionsData SizeDN_avg_SV_1 kmFloat3215, 200*100.12MSDS AttributeData Typenu mbervalueunitsstri ng1NOvalid_ra ngefloat6420,4095_FillValuefloat641-9999in terceptfloat64150slopefloat64151Mea n value of Spacelong_n amestri ng1View DN of 1km R

22、eflectiveBan ds”SDS 13. SDS NameTypeDime nsionsData SizeDN_avg_SV_250mFloat324, 200*400.128MSDS AttributeData Typenu mbervalueunitsstri ng1NOvalid_ra ngefloat6420,4095_FillValuefloat641-9999in terceptfloat6440slopefloat6441long_n amestri ng1Mea n value of SpaceView DNof 250mReflectiveBan dsHSDS 14.

23、SDS NameTypeDime nsionsData SizeIR_DN_SVFloat321,200* 400.032MBSDS AttributeData Typenu mbervalueunitsstri ng1NOvalid_ra ngefloat6420,4095_FillValuefloat641-9999in terceptfloat6410slopefloat6411long_n amestri ng1Mea n value of SpaceView DN of 250m EmissiveBand”SDS 15. SDS NameTypeDime nsionsData Siz

24、eEVC_Lon_Lat（1 KM星下点经纬度）float322000,20.016MSDS AttributeData Typenu mbervalueunitsstri ng1degreesvalid_ra ngefloat642-180.0, 180.0_FillValuefloat641-999.9in terceptfloat6410.0slopefloat6411.0long_n amestri ng1“EVC Nadir Lon gitude andLattitudeSDS 16. SDS NameTypeDime nsionsData SizeEVC_Azi_Zen（1KM星下

25、点时刻太阳相对卫星角度方位角 天顶角）float322000,20.016MSDS AttributeData Typenu mbervalueunitsstri ng1degreesvalid_ra ngein t322-18000, 18000/0,1800_FillValuein t321-32767 / 7FFFin terceptfloat3230.0slopefloat3230.01long_n amestri ng1EVC Nadir Azimuth andZenith An gleSDS 17. SDS NameTypeDime nsionsData SizeB B_250m_E MIS_QC_F agUint880000.008SDS AttributeData Typenu mbervalueunitsstri ng1NOvalid_ra ngein t3220 or 1_FillValuein t321-9999in terceptFloat3210slopeFloat3211long_n amestri ng1250m Emissive BB Sea nQuality CheckSDS 18. SDS