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  2. Bode plot - Wikipedia

    en.wikipedia.org/wiki/Bode_plot

    For many practical problems, the detailed Bode plots can be approximated with straight-line segments that are asymptotes of the precise response. The effect of each of the terms of a multiple element transfer function can be approximated by a set of straight lines on a Bode plot. This allows a graphical solution of the overall frequency ...

  3. Phase margin - Wikipedia

    en.wikipedia.org/wiki/Phase_margin

    Bode plot illustrating phase margin. In electronic amplifiers, the phase margin (PM) is the difference between the phase lag φ (< 0) and -180°, for an amplifier's output signal (relative to its input) at zero dB gain - i.e. unity gain, or that the output signal has the same amplitude as the input.

  4. Butterworth filter - Wikipedia

    en.wikipedia.org/wiki/Butterworth_filter

    The Bode plot of a first-order low-pass filter. The frequency response of the Butterworth filter is maximally flat (i.e., has no ripples) in the passband and rolls off towards zero in the stopband. [2] When viewed on a logarithmic Bode plot, the response slopes off linearly towards negative

  5. Cutoff frequency - Wikipedia

    en.wikipedia.org/wiki/Cutoff_frequency

    Magnitude transfer function of a bandpass filter with lower 3 dB cutoff frequency f 1 and upper 3 dB cutoff frequency f 2 Bode plot (a logarithmic frequency response plot) of any first-order low-pass filter with a normalized cutoff frequency at =1 and a unity gain (0 dB) passband.

  6. 80 of the Most Useful Excel Shortcuts - AOL

    www.aol.com/lifestyle/80-most-useful-excel...

    These shortcuts, also called hotkeys, consist of two or more keys pressed at the same time. Here are some of the most useful Excel hotkeys to make a wide range of spreadsheet tasks easier ...

  7. Boole's rule - Wikipedia

    en.wikipedia.org/wiki/Boole's_rule

    (defun integrate-composite-booles-rule (f a b n) "Calculates the composite Boole's rule numerical integral of the function F in the closed interval extending from inclusive A to ...

  8. Dielectric spectroscopy - Wikipedia

    en.wikipedia.org/wiki/Dielectric_spectroscopy

    Often, data obtained by electrochemical impedance spectroscopy (EIS) is expressed graphically in a Bode plot or a Nyquist plot. Impedance is the opposition to the flow of alternating current (AC) in a complex system. A passive complex electrical system comprises both energy dissipater and energy storage elements.

  9. Stokes number - Wikipedia

    en.wikipedia.org/wiki/Stokes_number

    Illustration of the effect of varying the Stokes number. Orange and green trajectories are for small and large Stokes numbers, respectively. Orange curve is trajectory of particle with Stokes number less than one that follows the streamlines (blue), while green curve is for a Stokes number greater than one, and so the particle does not follow the streamlines.