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  2. File:Wave packet propagation (phase faster than group ...

    en.wikipedia.org/wiki/File:Wave_packet...

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  3. Longitudinal wave - Wikipedia

    en.wikipedia.org/wiki/Longitudinal_wave

    "Longitudinal waves" and "transverse waves" have been abbreviated by some authors as "L-waves" and "T-waves", respectively, for their own convenience. [1] While these two abbreviations have specific meanings in seismology (L-wave for Love wave [2] or long wave [3]) and electrocardiography (see T wave), some authors chose to use "ℓ-waves" (lowercase 'L') and "t-waves" instead, although they ...

  4. File:Fourier series square wave circles animation.svg

    en.wikipedia.org/wiki/File:Fourier_series_square...

    Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.

  5. File:SquareWaveFourierArrows,rotated,nocaption 20fps.gif

    en.wikipedia.org/wiki/File:SquareWaveFourier...

    And the purple dot is the sum of all six. The arrows represent the amplitudes of sine functions with different peak-values and frequencies. They are the first six terms of a Fourier series derived from the square wave motion of the blue dot, which transitions between only two amplitudes.

  6. Wave - Wikipedia

    en.wikipedia.org/wiki/Wave

    A plane wave is classified as a transverse wave if the field disturbance at each point is described by a vector perpendicular to the direction of propagation (also the direction of energy transfer); or longitudinal wave if those vectors are aligned with the propagation direction. Mechanical waves include both transverse and longitudinal waves ...

  7. Mechanical wave - Wikipedia

    en.wikipedia.org/wiki/Mechanical_wave

    Mechanical waves can be produced only in media which possess elasticity and inertia. There are three types of mechanical waves: transverse waves, longitudinal waves, and surface waves. Some of the most common examples of mechanical waves are water waves, sound waves, and seismic waves. Like all waves, mechanical waves transport energy.

  8. List of equations in wave theory - Wikipedia

    en.wikipedia.org/wiki/List_of_equations_in_wave...

    Position of a point in space, not necessarily a point on the wave profile or any line of propagation d, r: m [L] Wave profile displacement Along propagation direction, distance travelled (path length) by one wave from the source point r 0 to any point in space d (for longitudinal or transverse waves) L, d, r

  9. File:Longitudinal wave jp.svg - Wikipedia

    en.wikipedia.org/wiki/File:Longitudinal_wave_jp.svg

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