• 1590 Citations
  • 18 h-Index
1982 …2017

Research output per year

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Research Output

2017
2 Citations (Scopus)

Theoretical limits of parameter estimation based on quantized data

Virosztek, T. & Kollár, I., Nov 15 2017, In : Periodica polytechnica Electrical engineering and computer science. 61, 4, p. 312-319 8 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)
2016

Comparison of signal processing methods for calculating point-by-point discrete fourier transforms

Csuka, B., Kollár, I., Kolĺar, Z. & Kovacs, M., May 23 2016, 2016 26th International Conference Radioelektronika, RADIOELEKTRONIKA 2016. Institute of Electrical and Electronics Engineers Inc., p. 217-221 5 p. 7477394

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

Efficient Implementation of Least Squares Sine Fitting Algorithms

Renczes, B., Kollár, I. & Daboczi, T., Dec 1 2016, In : IEEE Transactions on Instrumentation and Measurement. 65, 12, p. 2717-2724 8 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Measuring the noise cumulative distribution function using quantized data

Carbone, P., Schoukens, J., Kollár, I. & Moschitta, A., Jul 1 2016, In : IEEE Transactions on Instrumentation and Measurement. 65, 7, p. 1540-1546 7 p., 7446304.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Numerical Optimization Problems of Sine-Wave Fitting Algorithms in the Presence of Roundoff Errors

Renczes, B., Kollár, I., Moschitta, A. & Carbone, P., Jun 1 2016, (Accepted/In press) In : IEEE Transactions on Instrumentation and Measurement.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Parameterization of nonlinearity for efficient estimation in ADC testing

Virosztek, T. & Kollár, I., 2016, 21st IMEKO TC-4 International Symposium on Understanding the World through Electrical and Electronic Measurement, and 19th International Workshop on ADC Modelling and Testing. IMEKO-International Measurement Federation Secretariat, p. 77-82 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)
2015

Accurate Sine-Wave Amplitude Measurements Using Nonlinearly Quantized Data

Carbone, P., Schoukens, J., Kollar, I. & Moschitta, A., Dec 2015, In : IEEE Transactions on Instrumentation and Measurement. 64, 12, p. 3201-3208 8 p., 7206581.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Analyzing numerical optimization problems of finite resolution sine wave fitting algorithms

Renczes, B., Kollar, I., Carbone, P., Moschitta, A., Palfi, V. & Virosztek, T., Jul 6 2015, 2015 IEEE International Instrumentation and Measurement Technology Conference - The "Measurable" of Tomorrow: Providing a Better Perspective on Complex Systems, I2MTC 2015 - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 1662-1667 6 p. 7151529. (Conference Record - IEEE Instrumentation and Measurement Technology Conference; vol. 2015-July).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Full information ADC test procedures using sinusoidal excitation, implemented in MATLAB and LabVIEW

Pálfi, V., Virosztek, T. & Kollár, I., Sep 1 2015, In : Acta IMEKO. 4, 3, p. 4-13 10 p.

Research output: Contribution to journalArticle

Open Access
4 Citations (Scopus)

Nonparametric time-domain identification of linear slowly time-variant systems using B-splines

Csurcsia, P. Z., Schoukens, J., Kollár, I. & Lataire, J., Jan 1 2015, In : IEEE Transactions on Instrumentation and Measurement. 64, 1, p. 252-262 11 p., 6872554.

Research output: Contribution to journalArticle

7 Citations (Scopus)
2014

ADC testing in standardized and nonstandardized ways, using a unified framework

Virosztek, T. & Kollár, I., Jan 1 2014, 20th IMEKO TC4 Symposium on Measurements of Electrical Quantities: Research on Electrical and Electronic Measurement for the Economic Upturn, Together with 18th TC4 International Workshop on ADC and DCA Modeling and Testing, IWADC 2014. IMEKO-International Measurement Federation Secretariat, p. 231-236 6 p. (20th IMEKO TC4 Symposium on Measurements of Electrical Quantities: Research on Electrical and Electronic Measurement for the Economic Upturn, Together with 18th TC4 International Workshop on ADC and DCA Modeling and Testing, IWADC 2014).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

ADCTest toolbox for MATLAB

Virosztek, T. & Kollár, I., Jan 1 2014, 20th IMEKO TC4 Symposium on Measurements of Electrical Quantities: Research on Electrical and Electronic Measurement for the Economic Upturn, Together with 18th TC4 International Workshop on ADC and DCA Modeling and Testing, IWADC 2014. IMEKO-International Measurement Federation Secretariat, p. 669-670 2 p. (20th IMEKO TC4 Symposium on Measurements of Electrical Quantities: Research on Electrical and Electronic Measurement for the Economic Upturn, Together with 18th TC4 International Workshop on ADC and DCA Modeling and Testing, IWADC 2014).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

ADC test tool for LabVIEW

Pálfi, V., Virosztek, T. & Kollár, I., Jan 1 2014, 20th IMEKO TC4 Symposium on Measurements of Electrical Quantities: Research on Electrical and Electronic Measurement for the Economic Upturn, Together with 18th TC4 International Workshop on ADC and DCA Modeling and Testing, IWADC 2014. IMEKO-International Measurement Federation Secretariat, p. 671-672 2 p. (20th IMEKO TC4 Symposium on Measurements of Electrical Quantities: Research on Electrical and Electronic Measurement for the Economic Upturn, Together with 18th TC4 International Workshop on ADC and DCA Modeling and Testing, IWADC 2014).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Measurement of distorted exponential signal components using maximum likelihood estimation

Michaeli, L., Šaliga, J., Liptak, J., Godla, M. & Kollár, I., Dec 1 2014, In : Measurement: Journal of the International Measurement Confederation. 58, p. 503-510 8 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Realiable ADC testing using Lab VIEW

Pálfi, V. & Kollár, I., Jan 1 2014, 20th IMEKO TC4 Symposium on Measurements of Electrical Quantities: Research on Electrical and Electronic Measurement for the Economic Upturn, Together with 18th TC4 International Workshop on ADC and DCA Modeling and Testing, IWADC 2014. IMEKO-International Measurement Federation Secretariat, p. 237-241 5 p. (20th IMEKO TC4 Symposium on Measurements of Electrical Quantities: Research on Electrical and Electronic Measurement for the Economic Upturn, Together with 18th TC4 International Workshop on ADC and DCA Modeling and Testing, IWADC 2014).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Round off errors in the evaluation of the cost function in sine wave based adc testing

Renczes, B. & Kollár, I., Jan 1 2014, 20th IMEKO TC4 Symposium on Measurements of Electrical Quantities: Research on Electrical and Electronic Measurement for the Economic Upturn, Together with 18th TC4 International Workshop on ADC and DCA Modeling and Testing, IWADC 2014. IMEKO-International Measurement Federation Secretariat, p. 248-252 5 p. (20th IMEKO TC4 Symposium on Measurements of Electrical Quantities: Research on Electrical and Electronic Measurement for the Economic Upturn, Together with 18th TC4 International Workshop on ADC and DCA Modeling and Testing, IWADC 2014).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)
2013

Acceleration of the ADC test with sine-wave fit

Palfi, V. & Kollar, I., Mar 11 2013, In : IEEE Transactions on Instrumentation and Measurement. 62, 5, p. 880-888 9 p., 6471218.

Research output: Contribution to journalArticle

20 Citations (Scopus)

A comparison of least squares and maximum likelihood methods using sine fitting in ADC testing

Šaliga, J., Kollár, I., Michaeli, L., Buša, J., Lipták, J. & Virosztek, T., Jan 1 2013, In : Measurement: Journal of the International Measurement Confederation. 46, 10, p. 4362-4368 7 p.

Research output: Contribution to journalArticle

25 Citations (Scopus)

A first study of using B-splines in nonparametric system identification

Csurcsia, P. Z., Schoukens, J. & Kollár, I., Jan 1 2013, 2013 IEEE 8th International Symposium on Intelligent Signal Processing, WISP 2013 - Proceedings. IEEE Computer Society, p. 87-92 6 p. 6657488. (2013 IEEE 8th International Symposium on Intelligent Signal Processing, WISP 2013 - Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)

Compensation of analog-to-digital converter nonlinearities using dither

Renczes, B. & Kollár, I., 2013, In : Periodica Polytechnica Electrical Engineering and Computer Science. 57, 3, p. 77-81 5 p.

Research output: Contribution to journalArticle

Improving histogram test by assuring uniform phase distribution with setting based on a fast sine fit algorithm

Pálfi, V. & Kollár, I., Dec 1 2013, 19th IMEKO TC4 Symposium - Measurements of Electrical Quantities 2013 and 17th International Workshop on ADC and DAC Modelling and Testing. p. 485-490 6 p. (19th IMEKO TC4 Symposium - Measurements of Electrical Quantities 2013 and 17th International Workshop on ADC and DAC Modelling and Testing).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Linearization of A/D converters using interpolation of samples

Renczes, B. & Kollár, I., Dec 1 2013, 19th IMEKO TC4 Symposium - Measurements of Electrical Quantities 2013 and 17th International Workshop on ADC and DAC Modelling and Testing. p. 525-531 7 p. (19th IMEKO TC4 Symposium - Measurements of Electrical Quantities 2013 and 17th International Workshop on ADC and DAC Modelling and Testing).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

The analysis of exponential signals by maximum likelihood estimation

Michaeli, L., Godla, M., Šaliga, J., Liptak, J. & Kollár, I., Dec 1 2013, 19th IMEKO TC4 Symposium - Measurements of Electrical Quantities 2013 and 17th International Workshop on ADC and DAC Modelling and Testing. p. 451-456 6 p. (19th IMEKO TC4 Symposium - Measurements of Electrical Quantities 2013 and 17th International Workshop on ADC and DAC Modelling and Testing).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

User-friendly matlab tool for easy ADC testing

Virosztek, T. & Kollár, I., Dec 1 2013, 19th IMEKO TC4 Symposium - Measurements of Electrical Quantities 2013 and 17th International Workshop on ADC and DAC Modelling and Testing. p. 561-568 8 p. (19th IMEKO TC4 Symposium - Measurements of Electrical Quantities 2013 and 17th International Workshop on ADC and DAC Modelling and Testing).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

6 Citations (Scopus)
2012

An efficient approximation for maximum likelihood estimation of ADC parameters

Sárhegyi, A., Balogh, L. & Kollár, I., Jul 30 2012, 2012 IEEE I2MTC - International Instrumentation and Measurement Technology Conference, Proceedings. p. 2656-2661 6 p. 6229449. (2012 IEEE I2MTC - International Instrumentation and Measurement Technology Conference, Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

Efficient execution of ADC test with sine fitting with verification of excitation signal parameter settings

Pálfi, V. & Kollár, I., Jul 30 2012, 2012 IEEE I2MTC - International Instrumentation and Measurement Technology Conference, Proceedings. p. 2662-2667 6 p. 6229502. (2012 IEEE I2MTC - International Instrumentation and Measurement Technology Conference, Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

Experimental comparison of maximum likelihood and ls fitting for ADC testing

Šaliga, J., Michaeli, L., Buša, J., Lipták, J., Kollár, I. & Virosztek, T., Dec 1 2012, 20th IMEKO World Congress 2012. p. 641-646 6 p. (20th IMEKO World Congress 2012; vol. 1).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Full information from measured ADC test data using maximum likelihood estimation

Balogh, L., Kollár, I., Michaeli, L., Šaliga, J. & Lipták, J., Feb 1 2012, In : Measurement: Journal of the International Measurement Confederation. 45, 2, p. 164-169 6 p.

Research output: Contribution to journalArticle

16 Citations (Scopus)

Identification of time-varying systems using a two-dimensional B-spline algorithm

Csurcsia, P. Z., Schoukens, J. & Kollár, I., Jul 30 2012, 2012 IEEE I2MTC - International Instrumentation and Measurement Technology Conference, Proceedings. p. 1056-1061 6 p. 6229494. (2012 IEEE I2MTC - International Instrumentation and Measurement Technology Conference, Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)
2010

Extracting full information from measured adc data

Balogh, L., Kollár, I., Michaeli, L., Šaliga, J. & Lipták, J., Dec 1 2010, 17th Symposium IMEKO TC4 - Measurement of Electrical Quantities, 15th International Workshop on ADC Modelling and Testing, and 3rd Symposium IMEKO TC19 - Environmental Measurements. p. 630-635 6 p. (17th Symposium IMEKO TC4 - Measurement of Electrical Quantities, 15th International Workshop on ADC Modelling and Testing, and 3rd Symposium IMEKO TC19 - Environmental Measurements).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Maximum likelihood estimation of ADC parameters

Balogh, L., Kollár, I. & Sárhegyi, A., Oct 18 2010, 2010 IEEE International Instrumentation and Measurement Technology Conference, I2MTC 2010 - Proceedings. p. 24-29 6 p. 5488286. (2010 IEEE International Instrumentation and Measurement Technology Conference, I2MTC 2010 - Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

19 Citations (Scopus)

Simulation of errors in floating-point DSP calculations

Pálfi, V. & Kollár, I., Dec 1 2010, 17th Symposium IMEKO TC4 - Measurement of Electrical Quantities, 15th International Workshop on ADC Modelling and Testing, and 3rd Symposium IMEKO TC19 - Environmental Measurements. p. 636-642 7 p. (17th Symposium IMEKO TC4 - Measurement of Electrical Quantities, 15th International Workshop on ADC Modelling and Testing, and 3rd Symposium IMEKO TC19 - Environmental Measurements).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2009

Digital oscilloscope displays results together with confidence bounds

Csurcsia, P. Z., Bánovics, A. & Kollár, I., Dec 10 2009, WISP 2009 - 6th IEEE International Symposium on Intelligent Signal Processing - Proceedings. p. 81-86 6 p. 5286576. (WISP 2009 - 6th IEEE International Symposium on Intelligent Signal Processing - Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Limitations of the noise model of roundoff for the FFT

Pálfi, V. & Kollár, I., 2009, In : Periodica Polytechnica Electrical Engineering. 53, 3-4, p. 179-185 7 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Roundoff errors in fixed-point FFT

Pálfi, V. & Kollár, I., Dec 10 2009, WISP 2009 - 6th IEEE International Symposium on Intelligent Signal Processing - Proceedings. p. 87-91 5 p. 5286573. (WISP 2009 - 6th IEEE International Symposium on Intelligent Signal Processing - Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)
2008

ADC testing with verification

Fodor, B. & Kollár, I., Aug 12 2008, In : IEEE Transactions on Instrumentation and Measurement. 57, 12, p. 2762-2768 7 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)
288 Citations (Scopus)
2007

ADC testing with verification

Fodor, B. & Kollár, I., Sep 28 2007, 2007 IEEE Instrumentation and Measurement Technology, IMTC 2007 - Conference Proceedings - Synergy of Science and Technology in Instrumentation and Measurement. 4258476. (Conference Record - IEEE Instrumentation and Measurement Technology Conference).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)

Maximum likelihood estimation of ADC parameters from sine wave test data

Balogh, L., Fodor, B., Sárhegyi, A. & Kollár, I., Dec 1 2007, Proceedings - 12th IMEKO TC-4 International Workshop on ADC Modelling and Testing. (Proceedings - 12th IMEKO TC-4 International Workshop on ADC Modelling and Testing).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

12 Citations (Scopus)
2006

Digital non-subtractive dither: Necessary and sufficient condition for unbiasedness, with implementation issues

Kollár, I., Dec 1 2006, IMTC'06 - Proceedings of the IEEE Instrumentation and Measurement Technology Conference. p. 140-145 6 p. 1700131. (Conference Record - IEEE Instrumentation and Measurement Technology Conference).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Citations (Scopus)

Robust sine wave fitting in ADC testing

Sárhegyi, A. & Kollár, I., Dec 1 2006, IMTC'06 - Proceedings of the IEEE Instrumentation and Measurement Technology Conference. p. 914-919 6 p. 1700304. (Conference Record - IEEE Instrumentation and Measurement Technology Conference).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

9 Citations (Scopus)
2005

Improved determination of the best fitting sine wave in ADC testing

Kollár, I. & Blair, J. J., Oct 1 2005, In : IEEE Transactions on Instrumentation and Measurement. 54, 5, p. 1978-1983 6 p.

Research output: Contribution to journalArticle

61 Citations (Scopus)

On the frequency scaling in continuous-time modeling

Pintelon, R. & Kollár, I., Jan 1 2005, In : IEEE Transactions on Instrumentation and Measurement. 54, 1, p. 318-321 4 p.

Research output: Contribution to journalArticle

35 Citations (Scopus)

On the monotonicity and linearity of ideal radix-based A/D converters

Márkus, J. & Kollár, I., Dec 1 2005, In : IEEE Transactions on Instrumentation and Measurement. 54, 6, p. 2454-2457 4 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)
2004

Four-parameter fitting of sine wave testing result: Iteration and convergence

Bilau, T. Z., Megyeri, T., Sárhegyi, A., Márkus, J. & Kollár, I., Jan 1 2004, In : Computer Standards and Interfaces. 26, 1, p. 51-56 6 p.

Research output: Contribution to journalArticle

85 Citations (Scopus)

Improved determination of the best fitting sine wave in ADC testing

Kollár, I. & Blair, J. J., Oct 8 2004, In : Conference Record - IEEE Instrumentation and Measurement Technology Conference. 2, p. 829-834 6 p.

Research output: Contribution to journalConference article

6 Citations (Scopus)

Improved residual analysis in ADC testing

Kollár, I., Jan 1 2004, 9th IMEKO Workshop on ADC Modeling and Testing, IWADC 2004, Held Together with the 13th IMEKO TC4 Symposium on Measurements for Research and Industrial Applications. IMEKO-International Measurement Federation Secretariat, p. 46-51 6 p. (9th IMEKO Workshop on ADC Modeling and Testing, IWADC 2004, Held Together with the 13th IMEKO TC4 Symposium on Measurements for Research and Industrial Applications).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

On the frequency scaling in continuous-time modeling

Pintelon, R. & Kollár, I., Oct 8 2004, In : Conference Record - IEEE Instrumentation and Measurement Technology Conference. 3, p. 1586-1589 4 p.

Research output: Contribution to journalConference article

1 Citation (Scopus)