| 摘要 |
FIELD: measurement technology; determination of amplitude ratio of periodic signals varying according to harmonic law; calibration of measuring channels for determining their amplitude and phase characteristics. SUBSTANCE: signal-dividend value X(t) is divided into signal-dividend value Y(t), signal-quotient f(t) = X(t)/Y(t) is recorded, at time moment t1 corresponding to center of half-wave of signal-divider Y the values of signal-quotient f(t1) and its derivative F′(t1) are determined, then harmonic-signal amplitude ratio K is found from equation. EFFECT: improved speed of response and simplified design. |
