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The Time and Frequency Laboratory of the Hellenic Institute of Metrology (EIM) Dr Irene Flouda Director of the Electrical Measurements Department Hellenic Institute of Metrology
HISTORY ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Management Council President and 6 Members General Director Director of Financial  & Administrative  Services Director of Quality Assurance & Scientific Support Director of  Mechanical  Measurements Dept . Director of  Physical Measurements Dept. Director of  Electrical  Measurements Dept . Accounting Personnel Technical  Support Quality Assurance Cooperation Training Mass Density Pressure Force-Torque Flow-Viscosity Volume Hardness Temperature- Humidity Dimensional Acoustics- Vibrations Optics- Photometry Low Frequency High Frequency Time &  Frequency Secretariat ORGANOGRAM
Location ,[object Object]
Laboratory ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Laboratory ,[object Object],[object Object],[object Object]
Scope– Activities ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Scope– Activities ,[object Object],[object Object],[object Object],[object Object],[object Object]
Quality System ,[object Object],[object Object],[object Object],[object Object]
National Standard for Time and Frequency ,[object Object],[object Object],[object Object],[object Object],[object Object]
System Configuration and Operation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Basic Equipment ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Basic Equipment ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Basic Equipment ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Time Dissemination ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Auxiliary Equipment ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
 
 
Simplified Ensemble Description
Simplified Ensemble Description
Operation ,[object Object],[object Object],[object Object],[object Object]
Non interrupting operation ,[object Object],[object Object],[object Object],[object Object]
Time Recovery Segment ,[object Object],[object Object],[object Object],[object Object],[object Object]
Antenna Position ,[object Object],[object Object],[object Object],[object Object]
Antenna Position ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
GPS observations ,[object Object]
TAI contribution ,[object Object],1431 0716
Advantages – Disadvantages ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
UTC-UTC(EIM)
Local Time Scale UTC(EIM)

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The Time and Frequency Laboratory of the Hellenic Institute of Metrology (EIM)

  • 1. The Time and Frequency Laboratory of the Hellenic Institute of Metrology (EIM) Dr Irene Flouda Director of the Electrical Measurements Department Hellenic Institute of Metrology
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  • 3. Management Council President and 6 Members General Director Director of Financial & Administrative Services Director of Quality Assurance & Scientific Support Director of Mechanical Measurements Dept . Director of Physical Measurements Dept. Director of Electrical Measurements Dept . Accounting Personnel Technical Support Quality Assurance Cooperation Training Mass Density Pressure Force-Torque Flow-Viscosity Volume Hardness Temperature- Humidity Dimensional Acoustics- Vibrations Optics- Photometry Low Frequency High Frequency Time & Frequency Secretariat ORGANOGRAM
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  • 30. Local Time Scale UTC(EIM)

Editor's Notes

  1. Πριν από λίγους μήνες το ΕΙΜ προχώρησε σε μία γενικευμένη αναβάθμιση του Εθνικού Προτύπου Χρόνου και Συχνότητας. Στην παρούσα εργασία θα αναλύσουμε τον σχεδιασμό και τις λύσεις που υιοθετήθηκαν κάνοντας κάποιες αναφορές στην καταγραφή του χρόνου σε παγκόσμιο επίπεδο.
  2. Although the word “metrology” derives from the Greek language, and metrology was already developed in ancient Greece, modern metrology established in Greece only in early 30’s with Legal Metrology . Scientific metrology, which is usually represented by a National Institute of Metrology, established only in 1994, through the foundation of the Hellenic Institute of Metrology. Τ he Hellenic Metrology Institute ( ΕΙΜ ) , is the only NMI in Greece, founded by the law 2231/1994, which was approved by the National Parliament. EIM is supervised by the Ministry of Development and is a legal body ascribing to private legislation. The first building site of EIM was completed in 1996 . Actually, it was a construction of an old industrial building and was too small and most of the labs were hosted in private calibration laboratories that fulfilled the appropriate environmental conditions. T he staff recruitment started in late 1997. The infrastructure of EIM (buildings, equipment) was funded by the 2nd European Framework Program of the E.U. during the period 1994-1999. The equipment set in operation gradually since 1998 and the QS implementation started in 1999. The following year, 2000, EIM begun to offer its services to customers. In early 2001 the second, and main, building site completed but it became operational only in the end of 2002, as there were many problems, concerning especially the stabilization of the environmental conditions. Upon the completion of the second building, the installation of most of the primary stds became feasible.
  3. The management structure of EIM is represented by its organogram as follows. Details of the responsibilities and the authorities of the staff are determined according to the decisions of the Management Council of EIM and described in the job descriptions and the procedures of the quality system. The laboratories are grouped in three sections as follows: Section of Mechanical Measurements including the laboratories of Mass, Force-Torque, Pressure, Flow of Liquids & Gases – Viscosity, Volume, Density. Section of Physical Measurements including the laboratories of Temperature & Humidity, Dimensional Measurements, Acoustics & Vibrations and Optics & Photometry. Section of Electrical Measurements, including the laboratories of Electrical Measurements at High Frequencies, Electrical Measurements at Low Frequencies and Time – Frequency.
  4. Τοποθεσία, γενικές πληροφορίες σχετικά με ΕΙΜ;
  5. Δωμάτιο description
  6. Διάφορες τεχνικές προβλέψεις
  7. Σκοποί – Δραστηριότητες (γενικά, αναφορά ή/και μικρή ανάλυση;)
  8. Σκοποί – Δραστηριότητες (γενικά, αναφορά ή/και μικρή ανάλυση;)
  9. Σκοποί – Δραστηριότητες (γενικά, αναφορά ή/και μικρή ανάλυση;)
  10. Σκοποί Εθνικού προτύπου Χρόνου και Συχνότητας
  11. Λογικός σχεδιασμός του συστήματος
  12. Περιγραφή κύριου εξοπλισμού.
  13. Περιγραφή κύριου εξοπλισμού.
  14. Περιγραφή κύριου εξοπλισμού.
  15. Οι NTP servers .
  16. Περιγραφή κύριου εξοπλισμού.
  17. Σύντομη τεχνική περιγραφή
  18. Σύντομη τεχνική περιγραφή
  19. Ότι λέει ο τίτλος....
  20. Ότι λέει ο τίτλος....
  21. (<100 ns για δύο εβδομάδες)
  22. Συνεχής λειτουργία από ηλεκτρικής άποψης
  23. Τμήμα ανάκτησης UTC. Το GPS βασικά.
  24. Πώς επιτυγχάνεται υψηλή ακρίβεια (επιπλέον των τυπικών προδιαγραφών της συσκευής από τον κατασκευαστή).
  25. Κεραία
  26. Παράδειγμα θέασης συγκεκριμένου δορυφόρου
  27. Οι αριθμοί είναι ο κωδικός που έχει δώσει το BIPM .
  28. Υπέρ και κατά της υλοποίησης.
  29. Από τα circular T οι αποκλίσεις μας από τον UTC. Φαίνεται και το μικρό hiccup που πάθαμε (μπορεί να ειπωθεί ότι η τοπική χρονική κλίμακα δεν είχε κάποια ασυνέχεια αλλά δεν μπορέσαμε να στείλουμε το αρχείο αναφοράς).
  30. Η διάταξη μπορεί να δουλέψει και με ένα ρολόι λιγότερο με πτώση της απόδοσης....