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Sine wave |
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A continuous, uniform wave with a constant frequency and amplitude. See wavelength.
Sine wave A wave having a form which, if plotted, would be the same as that of a trigonometric sine or cosine function. The sine wave may be thought of as the projection on a plane of the path of a point moving around a circle at uniform speed. It is characteristic of one-dimensional vibrations and one-dimensional waves having no dissipation. See Harmonic motion The sine wave is the basic function employed in harmonic analysis. It can be shown that any complex motion in a one-dimensional system can be described as the superposition of sine waves having certain amplitude and phase relationships. The technique for determining these relationships is known as Fourier analysis. See Wave equation, Wave motion
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| Combinations of circles and standing sine waves might explain the observed shapes, agrees Tomas Bohr of the Technical University of Denmark. The servo signal is a series of sine waves that provide precise feedback to control the position of the read/write head on each of the 384 data tracks across the width of the tape. In his experiments, the same brain sine waves were overwhelmingly found from person to person and in the same person when reading the same word or sentence. |
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Sine waves
