| 摘要 |
FIELD: measuring equipment.SUBSTANCE: method can be used in apparatus for measuring passive and active, including complex, alternating current values, for example, in bridges and alternating current compensators or in meters (analyzers) of electric circuit parameters, as well as in vector voltmeters and spectral analyzers. Invention consists in the fact that by irregular frequency-dependent sampling involved in the measuring of signals and efficient processing of values of discrete records, realised taking into account their specificity, simultaneously invariance of the measuring procedure is achieved with respect to a variety of harmonic interferences with a permanent component, as well as to time of its beginning, and maximum simplification of its implementation by summing up the discrete records of said signals as they are recorded at exclusively low time of measurement data processing equal to time of multiplication or division of the obtained sum of the discrete records by constant factor, as well as to time for obtaining measurement information, equal to half sum of periods of interference signals.EFFECT: technical result consists in providing the invariance of measuring vector of harmonic signal in relation to a plurality of harmonic interference with a permanent component and the moment of beginning of the measurement procedure, as well as its simplification to performing elementary operations summation of values of the discrete records of the sum of participating in the measuring process signals and one multiplication of this sum by constant factor at minimum time for obtaining measurement information, equal to half sum of periods of signals of harmonic interference.1 cl |
