Multiple domains provide designers and test engineers with complementary views of acquired signals. Oscilloscopes originated as instruments that measure electrical signals in the time domain. The ...
Transformer defects can be identified by the FRA (frequency response analysis) that is a promising diagnostic technique. Despite the standardization in FRA measuring technique, its results ...
A general-purpose vector signal analyzer offers a low-cost, flexible option for measuring the frequency settling time of PLLs. By Douglas Olney, Keithley Instruments Inc. The frequency-settling time ...
Fundamental limits and optimal estimation of the resonance frequency of a linear harmonic oscillator
All physical oscillators are subject to thermodynamic and quantum perturbations, fundamentally limiting measurement of their resonance frequency. Analyses assuming specific ways of estimating ...
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