@techreport{5d025cdfffbf493389498292ab6857d4,
title = "Multistage adaptive filters for in-phase processing of line-frequency signals",
keywords = "prediction, zero-crossing detection, prediction, zero-crossing detection, prediction, zero-crossing detection",
author = "O. Vainio and S. V{\"a}liviita and S. Ovaska",
year = "1997",
language = "English",
series = "IEEE Instrumentation and Measurement Technology Conference (IMTC-97), Ottawa, Canada, May 19-21, 1997",
pages = "428--433",
type = "WorkingPaper",
}