Analysis of a Non-Iterative Algorithm for the Amplitude and Phase Difference Es...

• Author(s): Janeiro, Fernando M. ; Ramos, Pedro M. ; Tlemçani, Mouhaydine ; Serra, A. C.
• Date: 2006
• Persistent ID: http://hdl.handle.net/10174/2028
• Origin: Repositório Científico da Universidade de Évora
• Subject(s): Sine-fitting; Ellipse fitting; Amplitude and phase difference estimation; Least-squares method
• Document Type: Lecture
• Language: English

Description

In this paper, a non-iterative algorithm for amplitude and phase difference estimation of two acquired sinewaves is presented and analyzed. The method is based on the least-squares fitting of ellipses where the common signal frequency is eliminated from the algorithm.