NDLI: The SMOS end-to-end performance simulator: description and scientific applications

Content Provider	IEEE Xplore Digital Library
Author	Camps, A. Corbella, I. Vall-llossera, M. Duffo, N. Marcos, F. Martinez-Fadrique, F. Greiner, M.
Copyright Year	2003
Description	Author affiliation: Dept. of Signal Theor. & Commun., Univ. Politecnica de Catalunya, Barcelona, Spain (Camps, A.; Corbella, I.; Vall-llossera, M.; Duffo, N.)
Abstract	The SMOS Earth Explorer Opportunity Mission was selected in May 1999 by the European Space Agency to provide global and frequent soil moisture and sea salinity maps. SMOS' single payload is MIRAS (Microwave Imaging Radiometer by Aperture Synthesis), an L-band two-dimensional aperture synthesis interferometric radiometer with multi-angular observation capabilities. Two-dimensional brightness temperature images are obtained by processing the cross-relations measured by pairs of signals collected by each of the 72 elements of a Y-shaped array. Due to the significant differences with respect to its radio-astronomy predecessors (larger number of receiving channels and wider field-of-view) during the past decade a detailed instrument error model was studied, as well as new calibration and image reconstruction techniques. The analysis of the overall performance of this complex instrument required the implementation of an end-to-end performance simulator (Camps, 1996; Corbella et al., 2003; Camps et al., 2002), which has been and it is currently being used in the technical design trade-off of the instrument. This software tool was also designed to help both the engineers working in the instrument and mission design and the scientific community in the implementation of new multi-angular algorithms for soil moisture and ocean salinity retrieval. This paper briefly describes the main functionalities and capabilities of the present and next versions of the SMOS End-to-end Performance Simulator (SEPS) and presents examples of application to the soil moisture (SM) and sea surface salinity (SSS) retrieval problems.
Starting Page	13
Ending Page	15
File Size	1491531
Page Count	3
File Format	PDF
ISBN	0780379292
DOI	10.1109/IGARSS.2003.1293662
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-07-21
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Instruments Soil moisture Microwave radiometry Signal synthesis Algorithm design and analysis Earth Space missions Payloads Microwave imaging L-band
Content Type	Text
Resource Type	Article

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Soil moisture retrieval and applications from L band radiometry (SMOS)

SMOS performance simulation analysis

SMOS radiometric performance evaluation using SEPS: evaluation of thermal drifts

Sea surface salinity retrieval using multi-angular L-band radiometry: numerical study using the SMOS End-to-end Performance Simulator

MIRAS Functional Test Results for the SMOS Mission

Inversion model validation of ground emissivity. Contribution to the development of SMOS algorithm

Ocean salinity observations with SMOS mission

Detection of the L-Band Galactic Glint on the Sea Surface With the Airborne MIRAS

Surface Topography and Mixed-Pixel Effects on the Simulated L-Band Brightness Temperatures

The SMOS end-to-end performance simulator: description and scientific applications

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Soil moisture retrieval and applications from L band radiometry (SMOS)

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SMOS radiometric performance evaluation using SEPS: evaluation of thermal drifts

Sea surface salinity retrieval using multi-angular L-band radiometry: numerical study using the SMOS End-to-end Performance Simulator

MIRAS Functional Test Results for the SMOS Mission

Inversion model validation of ground emissivity. Contribution to the development of SMOS algorithm

Ocean salinity observations with SMOS mission

Detection of the L-Band Galactic Glint on the Sea Surface With the Airborne MIRAS

Surface Topography and Mixed-Pixel Effects on the Simulated L-Band Brightness Temperatures

The SMOS end-to-end performance simulator: description and scientific applications