Related Words

Harmonic Analyzer: A machine designed for the resolution of a periodic curve into its harmonic constituents. Now performed by electronic digital computer.

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.

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.

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, a . . . View Full Definition

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 . . . View Full Definition

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 ti . . . View Full Definition

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 ( . . . View Full Definition

Harmonic Distortion: A type of Distortion in which resonance or sympathetic ringing vibrations are added to the original sound to produce second and third harmonics of a fundamental tone in a way that was not pr . . . View Full Definition

Enharmonic Interval: Two notes that differ in name only. The notes occupy the same position. For example: C sharp and D flat.

Frequency Analyzer: A device that measures the flex, or frequency, of a golf club's shaft by holding the grip end of the club fast while the club head end is bounced, or vibrated, and the cycles per minute (cpm) counted