Nyquist diagram

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Nyquist diagram

[′nī‚kwist ‚dī·ə‚gram]
(control systems)
A plot in the complex plane of the open-loop transfer function as the complex frequency is varied along the Nyquist contour; used to determine stability of a control system.
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Nyquist plot shows the frequency response of heterogeneous biological system in the range of 0.
In Figure 3 the Nyquist plot, -Z" (milliohms) vs Z '(milliohms) for Ti[O.
The Nyquist plot of EIS analysis and the electrode system resulted superior electron transportation of sensitizer-photoanode.
In addition, it is also important to note that the bare carbon steel contains a single time constant due to the semicircular feature of the Nyquist plot.
The bulk resistance was calculated from the high frequency intercept on the real impedance axis of the Nyquist plot [23] as a function of temperature.
The Nyquist plot was observed to evaluate the pattern to the conditions of reinforced concrete sample under wet and dry condition.
T] Nyquist plot predicts pair of conjugated complex poles in the RHP, it is the necessary and sufficient condition for a proper oscillation.
d1]) were determined from Nyquist plot by fitting the data using Boukamp software.
Moreover, the potential problems with proper frequency gridding can be overcome using Nyquist plot based approach from (Soylemez et al.
From the Nyquist plot, the impedance can be represented as a vector of length [absolute value of Z].
Each time constant from the equivalent circuit appears as either a semicircle in a Nyquist plot or a peak in the phase angle in a Bode plot.