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Sensors, Volume 6, Issue 3

March 2006 - 8 articles

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Articles (8)

  • Article
  • Open Access
3 Citations
9,027 Views
11 Pages

29 March 2006

GANDER – for Global Altimeter Network Designed to Evaluate Risk – was anidea that was probably ahead of its time. Conceived at a time when ocean observingsatellites were sometimes 10 years in the planning stage, the concept of affordable fastersampli...

  • Article
  • Open Access
74 Citations
12,077 Views
27 Pages

AltiKa: a Ka-band Altimetry Payload and System for Operational Altimetry during the GMES Period

  • Patrick Vincent,
  • Nathalie Steunou,
  • Eric Caubetq,
  • Laurent Phalippou,
  • Laurent Rey,
  • Eric Thouvenot and
  • Jacques Verron

17 March 2006

This paper describes the Ka-band altimetry payload and system that has beenstudied for several years by CNES, ALCATEL SPACE and some science laboratories.Altimetry is one of the major elements of the ocean observing system to be madesustainable throu...

  • Article
  • Open Access
3 Citations
9,369 Views
14 Pages

17 March 2006

The multiple altimeter missions have not only advanced our knowledge of oceancirculation, ice sheet topography, and global climate, but also improved the accuracy ofaltimetric measurements by cross-calibration and validation. In this paper, one year’...

  • Article
  • Open Access
19 Citations
11,149 Views
15 Pages

8 March 2006

The authors report the first results in studying the polarization anisotropy of themicrowave backscatter from nadir observations provided by Jason-1 altimeter in both Ku-and C-band. A small but clear wind direction signal for wind speeds above 6 m/s...

  • Article
  • Open Access
49 Citations
12,361 Views
29 Pages

Performances Study of Interferometric Radar Altimeters: from the Instrument to the Global Mission Definition

  • Vivien Enjolras,
  • Patrick Vincent,
  • Jean-Claude Souyris,
  • Ernesto Rodriguez,
  • Laurent Phalippou and
  • Anny Cazenave

7 March 2006

The main limitations of standard nadir-looking radar altimeters have been knownfor long. They include the lack of coverage (intertrack distance of typically 150 km for theT/P / Jason tandem), and the spatial resolution (typically 2 km for T/P and Jas...

  • Article
  • Open Access
19 Citations
12,253 Views
33 Pages

Impact of Altimeter Data Processing on Sea Level Studies

  • M. Joana Fernandes,
  • Susana Barbosa and
  • Clara Lázaro

6 March 2006

This study addresses the impact of satellite altimetry data processing on sea levelstudies at regional scale, with emphasis on the influence of various geophysical correctionsand satellite orbit on the structure of the derived interannual signal and...

  • Article
  • Open Access
4 Citations
9,708 Views
10 Pages

3 March 2006

This paper describes a new method for the selection of an appropriate signal lineElectromagnetic Interference (EMI) filter. To date, EMI filter selection has been based onthe measurement of the radiation of the entire device. The new selection method...

  • Article
  • Open Access
45 Citations
12,027 Views
31 Pages

Envisat Ocean Altimetry Performance Assessment and Cross-calibration

  • Yannice Faugere,
  • Joël Dorandeu,
  • Fabien Lefevre,
  • Nicolas Picot and
  • Pierre Femenias

3 March 2006

Nearly three years of Envisat altimetric observations over ocean are available inGeophysical Data Record (GDR) products. The quality assessment of these data is routinelyperformed at the CLS Space Oceanography Division in the frame of the CNES Segmen...

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Sensors - ISSN 1424-8220