Metrology Development Program 2009 - Precision Time and Frequency Measurement

Sponsor: Czech Office for Standards, Metrology and Testing

Principal investigator: Alexander Kuna, Ph.D.

Members: Blanka Čemusová, MSc.; Petr Pánek, Ph.D.; Ludvík Šojdr, Ph.D.

From: 2009-01-01

To: 2009-12-31

  1. Design of an improved version of the laboratory Dual-Mixer Time-Difference Multiplication (DMTDM) comparator for ultrasensitive short-term frequency stability measurement. The new comparator, IPE4, will enhance the measurement and calibration capabilities of the DMTDM system compared with the previously built IPE3 comparator. It will have comparable target background instability <7x10-15 at 1 s (≈25 Hz bandwidth) and will allow switching between 5 MHz and 10 MHz input frequency.
  2. Analysis of the influence of the temperature to the GPS receiver chain used for evaluation of the national time scale UTC(TP).





IPE carries out fundamental and applied research in the scientific fields of photonics, optoelectronics and electronics. In these fields, IPE generates new knowledge and develops new technologies.

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