'Abstract : Measurement of frequency'

'\n\nMethods of measuring frequence.\nThe reach of mountains of touchstoned frequencies in electronics , automation , engineering science communications , and so on extends from fractions to tens of gigacycles/second hertz , ie, the infra-low to ultra- proud frequencies. The choice of method acting is determined by its vymirvannya frequency range, the infallible true statement of meter and other factors. measuring the frequency of the vary current from 20 to 2500 Hz in the supply chain is made of comparatively low accuracy frequence electromagnetic, electrodynamic and ferodynamichnoyi frames with put readout on the home base lohometrychnoho frequency meter. To measure low and high frequencies zastotsovuyut frequency , whose routine is ground on the methods of charge and sac the capacitor , link , comparing the measurable frequency of the warning(a) resonance . The almost accurate wideband and digital frequency is constructed by the method of discrete counting. resonating frequency step method . resonance method is based on a comparison of the metric frequency of the bike frequencies of the vibrational level. use to measure frequencies from degree centigrade kHz to 100HHts . The briny hub Resonant Frequency is oscillatory system . At frequencies ...'