METHOD OF MEASURING MEAN VALUE OF PERIODIC SIGNAL, THE VARIABLE COMPONENT OF WHICH IS AMPLITUDE-MODULATED

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 to u044du043bu0435u043au0442u0440u043eu0438u0437u043cu0435u0440u0438u0442u0435u043bu044cu043du043eu0439 technology and can be used in the measurement of the frequency u0432u0440u0430u0449u0435u043du0438u00a0 electric drive with a non-linear (e.g., oscillating - u0448u0430u0442u0443u043du043du043eu0439) load, the parameters of which u043cu0435u043du00a0u044eu0442u0441u00a0 slowly over time. the purpose of u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 - improved accuracy u0438u0437u043cu0435u0440u0435u043du0438u00a0.method u0437u0430u043au043bu044eu0447u0430u0435u0442u0441u00a0 that form the first time intervals, the multiples of the period of periodic signal, the periodic signal are in the first pl u0435u043cu0435u043du043du044bu0445 intervals and moments of their u043eu043au043eu043du0447u0430u043du0438u00a0 learns the u0438u043du0442u0435u0433u0440u0438u0440u043eu0432u0430u043du0438u00a0.the formation of the second time intervals, equal to the first and u0441u0434u0432u0438u043du0443u0442u044bu0445 on them at u043fu043eu043bu0443u043fu0435u0440u0438u043eu0434 periodic signalthe integration of periodic signal during the second time intervals with remembering moments of their u043eu043au043eu043du0447u0430u043du0438u00a0 results u0438u043du0442u0435u0433u0440u0438u0440u043eu0432u0430u043du0438u00a0 and definition of the extended u0434u043du0435u0433u043e u0437u043du0430u0447u0435u043du0438u00a0 periodic signal as u043fu043eu043bu0443u0441u0443u043cu043cu044b every two neighbouring time results u0438u043du0442u0435u0433u0440u0438u0440u043eu0432u0430u043du0438u00a0 provide reducing errors due to noah u043cu043eu0434u0443u043bu00a0u0446u0438u0435u0439 amplitude variable u0441u043eu0441u0442u0430u0432u043bu00a0u044eu0449u0435u0439 periodic signal. 1 il.