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

• Autor(es): Janeiro, Fernando M. ; Ramos, Pedro M. ; Tlemçani, Mouhaydine ; Serra, A. C.
• Data: 2006
• Identificador Persistente: http://hdl.handle.net/10174/2028
• Origem: Repositório Científico da Universidade de Évora
• Assunto(s): Sine-fitting; Ellipse fitting; Amplitude and phase difference estimation; Least-squares method
• Tipo de Documento: Palestra
• Idioma: Inglês

Descrição

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.