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  2. Logarithmic decrement - Wikipedia

    en.wikipedia.org/wiki/Logarithmic_decrement

    The logarithmic decrement can be obtained e.g. as ln(x 1 /x 3).Logarithmic decrement, , is used to find the damping ratio of an underdamped system in the time domain.. The method of logarithmic decrement becomes less and less precise as the damping ratio increases past about 0.5; it does not apply at all for a damping ratio greater than 1.0 because the system is overdamped.

  3. Category:Logarithms - Wikipedia

    en.wikipedia.org/wiki/Category:Logarithms

    Log-likelihood; List of logarithmic identities; Logarithm of a matrix; Logarithm table; Logarithmic addition; Logarithmic convolution; Logarithmic decrement; Logarithmic differentiation; Logarithmic distribution; Logarithmic growth; Logarithmic number system; Logarithmic Sobolev inequalities; Logarithmus; Logarithmus binaris; Logarithmus ...

  4. Damping - Wikipedia

    en.wikipedia.org/wiki/Damping

    Underdamped spring–mass system with ζ < 1. In physical systems, damping is the loss of energy of an oscillating system by dissipation. [1] [2] Damping is an influence within or upon an oscillatory system that has the effect of reducing or preventing its oscillation. [3]

  5. List of logarithmic identities - Wikipedia

    en.wikipedia.org/wiki/List_of_logarithmic_identities

    The multiple valued version of log(z) is a set, but it is easier to write it without braces and using it in formulas follows obvious rules. log(z) is the set of complex numbers v which satisfy e v = z; arg(z) is the set of possible values of the arg function applied to z. When k is any integer:

  6. Impulse excitation technique - Wikipedia

    en.wikipedia.org/wiki/Impulse_excitation_technique

    Material damping or internal friction is characterized by the decay of the vibration amplitude of the sample in free vibration as the logarithmic decrement. The damping behaviour originates from anelastic processes occurring in a strained solid i.e. thermoelastic damping, magnetic damping, viscous damping, defect damping, ...

  7. Decrement - Wikipedia

    en.wikipedia.org/wiki/Decrement

    Decrement may refer to: Decrement table; Logarithmic decrement; Increment and decrement operators; See also. Increment (disambiguation) This page was last edited on 3 ...

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  9. Logarithm - Wikipedia

    en.wikipedia.org/wiki/Logarithm

    The logarithm is denoted "log b x" (pronounced as "the logarithm of x to base b", "the base-b logarithm of x", or most commonly "the log, base b, of x "). An equivalent and more succinct definition is that the function log b is the inverse function to the function .