Analysis of a non-iterative algorithm for the amplitude and phase difference estimation of two acquired sinewaves

18th IMEKO World Congress 2006: Metrology for a Sustainable Development

Volumn 3, Issue , 2006, Pages 2153-2158

  Janeiro, Fernando M ^a   Ramos, Pedro M ^b   Tlemcani, Mouhaydine ^a   Serra, A Cruz ^b  

^a UNIVERSITY OF ÉVORA   (Portugal)

^b INSTITUTO SUPERIOR TÉCNICO   (Portugal)

Author keywords

Amplitude and phase difference estimation; Ellipse fitting; Least squares method; Sine fitting

Indexed keywords

ELLIPSE FITTING; LEAST SQUARES METHODS; LEAST-SQUARES FITTINGS; NON-ITERATIVE ALGORITHMS; PHASE DIFFERENCE ESTIMATIONS; SIGNAL FREQUENCIES; SINE-FITTING; SINEWAVES;

ALGORITHMS; ITERATIVE METHODS; PLANNING; SUSTAINABLE DEVELOPMENT; UNITS OF MEASUREMENT;

ESTIMATION;

EID: 84877752419     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (7)

1. M. Krumpholc and M. Sedlacek, "Measurement of Phase Difference Using DSP Algorithms by Non-Coherent Sampling", 14th IMEKO Symposium on New Technologies in Measurement and Instrumentation, Gdynia, Poland, pp. 229-235, Sept. 2005.
2. Pedro M. Ramos, M. Fonseca da Silva and A. Cruz Serra, "Low frequency impedance measurement using sine-fitting", Measurement, vol. 35, n. 1, pp. 89-96, Jan. 2004.
3. A. Fitzgibbon, M. Pilu and R. Fischer, "Direct least squares fitting of ellipses", Proc. of the 13th International Conference on Pattern Recognition, pp. 253-257, Vienna, Sept. 1996.
4. Tomáš Radil, Pedro M. Ramos and A. Cruz Serra, "DSP based portable impedance measurement instrument using sine-fitting algorithms", IMTC 2005 - Instrumentation and Measurement Technology Conference, Ottawa, Canada, vol. 2, pp. 1018-1022
5. R. Halir and J. Flusser, "Numerically Stable Direct May 2005. Least Squares Fitting of Ellipses," Proc. WSCG'98, pp 125-132, University of West Bohemia, Campus Bory, Plzen - Bory, Czech Republic, Feb. 1998.
6. IEEE Std. 1057-1994, Standard for Digitizing Waveform Records, The Institute of Electrical and Electronics Engineers, New York, December 1994.
7. Pedro M. Ramos, Fonseca da Silva and A. Cruz Serra, "Improving sine-fitting algorithms for amplitude and phase measurements", XVII IMEKO World Congress, Dubrovnik, Croatia, pp. 614-619, June 2003.