Phase Difference Measurement with Matlab

버전 1.6.0.0 (598 KB) 작성자: Hristo Zhivomirov
Phase difference measurement between two signals via DFT or cross-correlation.
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다운로드 수: 7.9K
업데이트 날짜: 2023/10/31

라이선스 보기

The present code is a Matlab function that provides a measurement of the phase difference (as an angle) or time difference (as time duration) between two signals. In the first case, the measurement is based on the discrete Fourier transform, and in the second – on the cross-correlation computation. The methods are highly noise-resistive.
Several examples are given to clarify the usage of the function. For convenience, the input and output arguments are given at the beginning of the function.
The code is based on the theory described in:
[1] M. Sedlacek, M. Krumpholc. “Digital measurement of phase difference – a comparative study of DSP algorithms”. Metrology and Measurement Systems, Vol. XII, No. 4, pp. 427-448, 2005.
[2] M. Sedlacek. “Digital Measurement of Phase Difference of LF Signals A Comparison of DSP Algorithms”. Proceedings of XVII IMEKO World Congress, pp. 639-644, 2003.

인용 양식

Hristo Zhivomirov (2024). Phase Difference Measurement with Matlab (https://www.mathworks.com/matlabcentral/fileexchange/48025-phase-difference-measurement-with-matlab), MATLAB Central File Exchange. 검색됨 .

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개발 환경: R2017b
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Help Center 및 MATLAB Answers에서 Discrete Fourier and Cosine Transforms에 대해 자세히 알아보기

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