Zuheir ALTAMIMI - Implication de l'IGN dans les ... - Recherche
Zuheir ALTAMIMI - Implication de l'IGN dans les ... - Recherche
Zuheir ALTAMIMI - Implication de l'IGN dans les ... - Recherche
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ITRF and Science Requirements<br />
• Long-term stable ITRF: 0.1 mm/yr<br />
==> Stable: linear behaviour of the TRF parameters, i.e.<br />
with no discontinuity :<br />
– Origin Components: 0.1 mm/yr<br />
– Scale 0.01 ppb/yr (0.06 mm/yr)<br />
Value<br />
Unstable parameter<br />
Value<br />
Stable parameter<br />
time<br />
Current status ≥ 1 mm/yr<br />
time<br />
Journées <strong>Recherche</strong> IGN 11 mars 2009<br />
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