DETERMINATION OF THE OPTIMAL MEASUREMENT TIME OF NONSTATIONARY SIGNAL PARAMETERS BY INTEGRATING DEVICES.

Measurement facilities manufactured by industry for the method of referring the numerical value of the quantity being measured to an integrating method, have special switches, as a rule, that permit setting up the necessary measurement time. Among these are electronic-counter frequency meters, amplitude spectrum analyzers, etc. The measurement time must be chosen correctly when using these devices to measure time-varying signals in order to obtain minimal error. Questions of determining the optimal measurement time of a running nonstationary signal amplitude spectrum are examined in this paper; however, all the relationships and fundamental deductions obtained can be used to measure analog signals of different physical nature.