- v - LSDS-1574
Version 5.0
Contents
Executive Summary ..................................................................................................... iii
Document History ........................................................................................................ iv
Contents ......................................................................................................................... v
List of Figures ............................................................................................................. vii
List of Tables .............................................................................................................. viii
Section 1 Introduction .............................................................................................. 1
1.1 Foreword ........................................................................................................... 1
1.2 Background ....................................................................................................... 2
1.2.1 Previous Missions ...................................................................................... 3
1.2.2 Operations and Management .................................................................... 4
1.3 Landsat 8 Mission ............................................................................................. 4
1.3.1 Overall Mission Objectives ......................................................................... 4
1.3.2 System Capabilities ................................................................................... 5
1.3.3 Global Survey Mission ............................................................................... 5
1.3.4 Rapid Data Availability ............................................................................... 5
1.3.5 International Ground Stations (IGSs) ......................................................... 6
1.4 Document Purpose ........................................................................................... 6
1.5 Document Organization .................................................................................... 6
Section 2 Observatory Overview ............................................................................. 8
2.1 Concept of Operations ...................................................................................... 8
2.2 Operational Land Imager (OLI) ......................................................................... 9
2.3 Thermal Infrared Sensor (TIRS) ...................................................................... 13
2.4 Spacecraft Overview ....................................................................................... 15
2.4.1 Spacecraft Data Flow Operations ............................................................ 16
Section 3 Instrument Calibration ........................................................................... 18
3.1 Radiometric Characterization and Calibration Overview ................................. 18
3.1.1 Instrument Characterization and Calibration ............................................ 20
3.1.2 Pre-launch ............................................................................................... 22
3.1.3 Post-launch .............................................................................................. 24
3.1.4 Operational Radiometric Tasks ................................................................ 25
3.2 Geometric Calibration Overview ..................................................................... 27
3.2.1 Collection Types ...................................................................................... 30
3.2.2 Pre-launch ............................................................................................... 30
3.2.3 OLI Geodetic Accuracy Assessment........................................................ 31
3.2.4 Sensor Alignment Calibration .................................................................. 31
3.2.5 Geometric Accuracy Assessment ............................................................ 32
3.2.6 OLI Internal Geometric Characterization and Calibration......................... 32
3.2.7 TIRS Internal Geometric Characterization and Calibration ...................... 33
3.2.8 OLI Spatial Performance Characterization ............................................... 34
3.2.9 OLI Bridge Target MTF Estimation .......................................................... 35
3.2.10 Geometric Calibration Data Requirements .............................................. 36
3.3 Calibration Parameters ................................................................................... 39
