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- Title
HIGH RESOLUTION TIME-INTERVAL MEASUREMENT SYSTEMS APPLIED TO FLOW MEASUREMENT.
- Authors
Grzelak, Sławomir; Kowalski, Marcin; Czoków, Jarosław; Zieliński, Marek
- Abstract
The designing process of high resolution time interval measurement systems creates many problems that need to be eliminated. The problems are: the latch error, the nonlinearity conversion, the different duty cycle coefficient of the clock signal, and the clock signal jitter. Factors listed above affect the result of measurement. The FPGA (Field Programmable Gate Array) structure also imposes some restrictions, especially when a tapped delay line is constructed. The article describes the high resolution time-to-digital converter, implemented in a FPGA structure, and the types of errors that appear there. The method of minimization and processing of data to reduce the influence of errors on the measurement is also described.
- Subjects
FIELD programmable gate arrays; TIME-digital conversion; RANGEFINDERS (Photography); SPECTROMETERS; COSMIC ray spectrometers; LUMINESCENCE
- Publication
Metrology & Measurement Systems, 2014, Vol 21, Issue 1, p77
- ISSN
2080-9050
- Publication type
Article
- DOI
10.2478/mms-2014-0008