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  2. Bode plot - Wikipedia

    en.wikipedia.org/wiki/Bode_plot

    Figures 2-5 further illustrate construction of Bode plots. This example with both a pole and a zero shows how to use superposition. To begin, the components are presented separately. Figure 2 shows the Bode magnitude plot for a zero and a low-pass pole, and compares the two with the Bode straight line plots.

  3. Dynamic line rating for electric utilities - Wikipedia

    en.wikipedia.org/wiki/Dynamic_line_rating_for...

    Spans deemed "critical" – likely to reach thermal or clearance limits first – are monitored in real-time, providing data on their status with respect to safety limits. The state change equation of the conductor, using its thermal features (absorptivity, emissivity) converts data on span geometry into valid temperature data for the "ruling ...

  4. Contact mechanics - Wikipedia

    en.wikipedia.org/wiki/Contact_mechanics

    The MATLAB implementation presented by Almqvist et al. is one example that can be employed to solve the problem numerically. In addition, an example code for an LCP solution of a 2D linear elastic contact mechanics problem has also been made public at MATLAB file exchange by Almqvist et al.

  5. Transmission line - Wikipedia

    en.wikipedia.org/wiki/Transmission_line

    A type of transmission line called a cage line, used for high power, low frequency applications. It functions similarly to a large coaxial cable. It functions similarly to a large coaxial cable. This example is the antenna feed line for a longwave radio transmitter in Poland , which operates at a frequency of 225 kHz and a power of 1200 kW.

  6. Phase line (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Phase_line_(mathematics)

    A plot of () (left) and its phase line (right). In this case, a and c are both sinks and b is a source. In mathematics , a phase line is a diagram that shows the qualitative behaviour of an autonomous ordinary differential equation in a single variable, d y d x = f ( y ) {\displaystyle {\tfrac {dy}{dx}}=f(y)} .

  7. Rotation matrix - Wikipedia

    en.wikipedia.org/wiki/Rotation_matrix

    For example, in 2-space n = 2, a rotation by angle θ has eigenvalues λ = e iθ and λ = e −iθ, so there is no axis of rotation except when θ = 0, the case of the null rotation. In 3-space n = 3, the axis of a non-null proper rotation is always a unique line, and a rotation around this axis by angle θ has eigenvalues λ = 1, e iθ, e −iθ.

  8. Coordinate system - Wikipedia

    en.wikipedia.org/wiki/Coordinate_system

    For example, Plücker coordinates are used to determine the position of a line in space. [11] When there is a need, the type of figure being described is used to distinguish the type of coordinate system, for example the term line coordinates is used for any coordinate system that specifies the position of a line.

  9. Unbalanced line - Wikipedia

    en.wikipedia.org/wiki/Unbalanced_line

    A multicore cable able to support 25 unbalanced transmission lines. In telecommunications and electrical engineering in general, an unbalanced line is a pair of conductors intended to carry electrical signals, which have unequal impedances along their lengths and to ground and other circuits.