Harmonic Analyzer

Science / Tides and Currents / Harmonic Analyzer: A machine designed for the resolution of a periodic curve into its harmonic constituents. Now performed by electronic digital computer.
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Entertainment / Music / Harmonica: Mouth organ: a small metal box on which free reeds are mounted, played by moving back and forth across the mouth while breathing into it. MORE

Harmonic Prediction

Science / Tides and Currents / Harmonic Prediction: Method of predicting tides and tidal currents by combining the harmonic constituents into a single tide curve. The work is usually performed by electronic digital computer. MORE


Science / Astrology / Harmonics: The term for zodiacal aspects that describe the energy levels or vibrational frequencies associated with aspects. An aspect, derived from the division of a circle (360°) by a whole number, and its mu MORE

Non-Harmonic Constants

Science / Tides and Currents / Non-Harmonic Constants: Tidal constants such as lunitidal intervals, ranges, and inequalities which may be derived directly from high and low water observations without regard to the harmonic constituents of the tide. Also a MORE

Total Harmonic Distortion (THD)

Technology / Home Audio / Total Harmonic Distortion (THD): Total harmonic distortion is a measure of the how much a given audio device may distort a signal through the introduction of added harmonics or overtones. These figures are usually given as percentage MORE

Harmonic Function

Science / Tides and Currents / Harmonic Function: In its simplest form, a quantity that varies as the cosine of an angle that increases uniformly with time. It may be expressed by the formula: y = A cos at in which y is a function of time (t), A is a MORE