ESA Earth Home Missions Data Products Resources Applications
    24-Jul-2014
EO Data Access
How to Apply
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Index
Credits
RA2/MWR Data Formats Products
Glossary
Frequently Asked Questions
Main RA-2 Level 2 Algorithms (Non-Ocean)
Main MWR Level 1b algorithms
Main RA-2 Level 1b algorithms
MWR Instrument
RA-2 Instrument
RA-2 and MWR Instruments
MWR Instrument Characteristics and Performance
In-flight performance verification
MWR Instrument Description
RA-2 Instrument Characteristics and Performance
In-flight Performance verification
RA2/MWR Products and Algorithms
RA-2/MWR Auxiliary files
Common Auxiliary Data Sets
Level 2 processing
Level 1b processing
Specific Topics Related To The Radar Altimeter
Orbit interpolation
Measurement Reference
Datation
Time Handling And Leap Seconds
RA-2/MWR Level 2 Products And Algorithms
RA2/MWR Level 2 Products
Averaged Ku chirp band
Ocean depth/land elevation
RA-2 ionospheric correction
RA-2/MWR Level 1b Products and Algorithms
RA-2/MWR Level 1b product
MWR Level 1b algorithms
Level 0 products
MWR Level 0 products
Products Evolution History
Definitions and Conventions
Organisation of Products
Data Handling Cookbook
Characterisation And Calibration
Latency, Throughput And Data Volume.
Product size
RA2/MWR Products User Guide
Further reading
How to use RA-2/MWR data
How To Choose RA-2/MWR Data Products
Summary of Applications vs. Products
Peculiarities of MWR
Peculiarities of RA2
Geophysical Coverage
Principles Of Measurement
Scientific Background
ENVISAT RA2/MWR Product Handbook
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Site Map
Frequently asked questions
Glossary
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Index

1 RA2/MWR Products User Guide
1.1 How To Choose RA-2/MWR Data Products
1.1.1 Geophysical Measurements
1.1.2 Scientific Background
1.1.3 Principles Of Measurement
1.1.4 Geophysical Coverage
1.1.5 Peculiarities of RA2
1.1.6 Peculiarities of MWR
1.1.7 Summary of Applications vs. Products
1.2 How to use RA-2/MWR data
1.2.1 Software Tools
1.2.1.1 General tools
1.2.1.2 EnviView
1.3 Further reading
2 RA2/MWR Products and Algorithms
2.1 Introduction
2.2 Organisation of Products
2.3 Definitions and Conventions
2.4 Products Evolution History
2.4.1 L1B IPF upgrades
2.4.2 L2 IPF upgrades
2.4.3 L2 CMA upgrades
2.5 Level 0 products
2.5.1 RA-2 Level 0 products
2.5.1.1 Definition
2.5.1.2 Structure
2.5.1.3 Packet Header
2.5.1.4 Packet Data Field
2.5.2 MWR Level 0 products
2.5.2.1 Definition
2.5.2.2 Structure
2.5.2.3 Packet Header
2.5.2.4 Packet Data Field
2.6 RA-2/MWR Level 1b Products and Algorithms
2.6.1 RA-2 Level 1b algorithms
2.6.1.1 Level 0 data decoding
2.6.1.2 PTR Data Processing
2.6.1.3 IF Shape Correction
2.6.1.4 AGC Calibration
2.6.1.5 Window Time Reference Extraction
2.6.1.6 Orbit Data Generation and Datation Correction
2.6.1.7 Level 1b data formatting
2.6.2 MWR Level 1b algorithms
2.6.2.1 Level 0 data extraction and decoding
2.6.2.2 Gain Processing and Offset Temperature Evaluation
2.6.2.3 Antenna Temperature Retrieval
2.6.2.4 Brightness Temperature Evaluation
2.6.2.5 Antenna axis registration
2.6.2.6 Level 1b Data Formatting
2.6.3 RA-2/MWR Level 1b product
2.6.3.1 Definition
2.6.3.2 Structure
2.6.3.3 RA-2/MWR Level 1b SPH
2.6.3.4 Level 1b RA2 MDS
2.6.3.5 Level 1b RA2 individual echoes waveforms MDS
2.6.3.6 Level 1b PTR MDS
2.6.3.7 Level 1b MWR MDS
2.7 RA-2/MWR Level 2 Products And Algorithms
2.7.1 RA-2 Level 2 Algorithms
2.7.1.1 Ocean retracking algorithm
2.7.1.2 Ice2 retracking algorithm
2.7.1.3 Level 2 Ice Algorithms : General
2.7.1.4 Level 2 Ice Algorithms : Retracking
2.7.1.4.1 Pre-processing
2.7.1.4.2 OCOG Retracking
2.7.1.4.3 Sea-Ice Retracking
2.7.1.5 Level 2 Ice Algorithms : Slope Correction
2.7.1.5.1 Co-ordinate Conversion
2.7.1.5.2 Echo Direction
2.7.1.5.3 Elevation Calculation
2.7.1.6 Level 2 Ice Algorithms : Delta Doppler Correction
2.7.1.7 Doppler correction
2.7.1.8 ECMWF model derived wet and dry tropospheric corrections, u and v components of the wind vector, and surface pressure
2.7.1.9 Inverted barometer correction algorithm
2.7.1.10 Combined atmospheric correction from MOG2D and IB
2.7.1.11 MWR wet tropospheric correction
2.7.1.12 Sea state bias
2.7.1.13 RA-2 ionospheric correction
2.7.1.14 DORIS ionospheric correction
2.7.1.15 BENT model ionospheric correction
2.7.1.16 GIM Ionospheric correction
2.7.1.17 Atmospheric attenuation correction
2.7.1.18 Ku-band rain attenuation
2.7.1.19 Squared Off nadir angle of the satellite computed from platform data
2.7.1.20 Mean sea surface height
2.7.1.21 Geoid height
2.7.1.22 Ocean depth/land elevation
2.7.1.23 Total geocentric ocean tide height (solution 1)
2.7.1.24 Total geocentric ocean tide height (solution 2)
2.7.1.25 Solid earth tide height and long period tide height
2.7.1.26 Tidal loading height according to ocean tide solution 1
2.7.1.27 Tidal loading height according to ocean tide solution 2
2.7.1.28 Geocentric pole tide height
2.7.1.29 MWR water vapour content
2.7.1.30 MWR liquid water content
2.7.1.31 RA-2 wind speed algorithm
2.7.1.32 Averaged Ku chirp band
2.7.2 RA2/MWR Level 2 Products
2.7.2.1 Definition
2.7.2.2 Structure
2.7.2.3 Level 2 RA2/MWR SPH
2.7.2.4 Level 2 RA2 MDS in FDGDR, IGDR and GDR
2.7.2.5 Level 2 RA2 MDS in FDMAR and IMAR
2.7.2.6 Level 2 MWR MDS
2.7.2.7 Level 2 Averaged Waveforms MDS
2.7.2.8 Level 2 Individual Waveforms MDS
2.8 Specific Topics Related To The Radar Altimeter
2.8.1 Data Packeting
2.8.2 Time Handling And Leap Seconds
2.8.2.1 Leap Second Description
2.8.2.2 Leap second correction
2.8.2.3 Evolution of L1b time stamps during a leap second occurrence
2.8.2.4 Leap_sign
2.8.2.5 Leap_err
2.8.3 Datation
2.8.4 Measurement Reference
2.8.5 Orbit interpolation
2.8.5.1 po_ppforb
2.8.5.2 po_interpol
2.9 RA-2/MWR Auxiliary files
2.9.1 Summary of Auxiliary Data Sets
2.9.2 Level 1b processing
2.9.3 Level 2 processing
2.9.4 Common Auxiliary Data Sets
2.10 Latency, Throughput And Data Volume.
2.10.1 Product Latency
2.10.2 Product size
2.11 Characterisation And Calibration
2.12 Data Handling Cookbook
2.12.1 Hints And Algorithms For Product Use
3 RA-2 and MWR Instruments
3.1 RA-2 Instrument Description
3.2 RA-2 Instrument Characteristics and Performance
3.2.1 Pre-flight Characteristics and expected performance
3.2.1.1 Chirp Generator
3.2.1.2 Frequency Generation and Conversion Unit
3.2.1.3 Transmitter
3.2.1.4 Antenna
3.2.1.5 Microwave Receiver
3.2.1.6 Digital Processing Subassembly Unit
3.2.1.7 Low Voltage Power Supply and Instrument Control Unit
3.2.2 In-flight Performance verification
3.3 MWR Instrument Description
3.4 MWR Instrument Characteristics and Performance
3.4.1 Pre-flight Characteristics and expected performance
3.4.1.1 Radiometric Receiving System
3.4.1.2 Antenna
3.4.1.2.1 Measurement Feed-Horns
3.4.1.2.2 Measurement Antenna
3.4.1.2.3 Sky-Horn Antenna
3.4.1.3 Radio Frequency Front End
3.4.1.4 Intermediate Frequency (IF) and Video
3.4.1.5 Instrument Operational Mode
3.4.1.6 Instrument Data Characteristics and Data Rate
3.4.1.7 Instrument Improvements
3.4.2 In-flight performance verification
4 Frequently Asked Questions
4.1 RA-2 Instrument
4.2 MWR Instrument
4.3 Main RA-2 Level 1b algorithms
4.4 Main MWR Level 1b algorithms
4.5 Main RA-2 Level 2 Algorithms (Non-Ocean)
5 Glossary
5.1 Acronyms And Abbrieviations
6 RA2/MWR Data Formats Products
7 Credits

Keywords: ESA European Space Agency - Agence spatiale europeenne, observation de la terre, earth observation, satellite remote sensing, teledetection, geophysique, altimetrie, radar, chimique atmospherique, geophysics, altimetry, radar, atmospheric chemistry