TY JOUR TI TO THE QUESTION OF REDUCING THE COST OF ELECTRONIC MEASURING INSTRUMENTS KW data acquisition system KW power quality KW digital filter. JO Scientific Papers Collection of the Angarsk State Technical University AU Pil'cov, M.V. AU Udachin, M.A. PY 2019 IS 2019 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»