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- Dusan Agrez, Tomaz Lusin, Damir Ilic
- IEEE Transactions on Instrumentation andâ€¦
- 2015

This paper describes the measurement and nonparametric estimation of phase difference with stronger inhibition of spectral leakage. The phase difference is estimated by discrete Fourier transform coefficients around component peaks using Rife-Vincent windows class I (RV1) and the minimum side-lobe level (MSL) windows. Selecting a suitable window order, MSLâ€¦ (More)

- Dusan Agrez, Tomaz Lusin
- 29th Conference on Precision Electromagneticâ€¦
- 2014

The paper describes measurement and non-parametric estimation of the phase difference with stronger inhibition of the spectral leakage. Phase difference is estimated by DFT coefficients around the component peaks using the Rife-Vincent windows class I and the minimum side-lobe level windows.

- Tomaz Lusin, Dusan Agrez
- 2013 IEEE International Instrumentation andâ€¦
- 2013

The systematic bias error of the non-parametric frequency estimation due to leakage effect can be effective reduced by the interpolated discrete Fourier transform. For fast decline of the long-range leakages the Rife-Vincent windows are used and the RV class II windows perform the lowest bias error.

- Tomaz Lusin, Damir Ilic, Dusan Agrez
- 2014

The error reduction of the non-parametric amplitude estimation of the periodic signals with the three-point interpolated discrete Fourier transform (DFT) using cosine windows is presented. The paper analyzes and compares the systematic bias errors and the noise error behavior of the amplitude estimation changing the order of Rife-Vincent windows class Iâ€¦ (More)

- Tomaz Lusin, Dusan Agrez
- 2012 IEEE International Instrumentation andâ€¦
- 2012

High quality analog-to-digital (A/D) conversion is obtained using the non-uniform exponential tracking procedure. Samples of the analog signal and differences of the previous estimations are cycled rapidly through a non-uniform coarse quntizer while the round off error is fed back and subtracted from the input. It has been shown that the proposed A/Dâ€¦ (More)

- Tomaz Lusin, Dusan Agrez
- 2011

To improve the estimation of active power, the possibility of estimating the amplitude square of a signal component using the interpolation of the squared amplitude discrete Fourier transform (DFT) coefficients is presented. As with an energy-based approach, the amplitude square can be estimated with the squared amplitude DFT coefficients around theâ€¦ (More)

- Tomaz Lusin, Dusan Agrez
- 2013

Abstrac t The paper presents simple single-step algorithms for fast measurement and estimation of the amplitude ratio of the sinusoidal signals with the same frequency from two channels. The idea of the systematic error reduction with the weighted amplitude DFT coefficients around the component peaks is used in the comparative measurement procedure. Paperâ€¦ (More)

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