In signal processing, distortion is the alteration of the original shape of a signal.
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11 Facts About Harmonic distortion
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Quality measures that reflect both noise and distortion include the signal-to-noise and distortion ratio and total harmonic distortion plus noise.
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Amplitude Harmonic distortion is Harmonic distortion occurring in a system, subsystem, or device when the output amplitude is not a linear function of the input amplitude under specified conditions.
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Harmonic distortion adds overtones that are whole number multiples of a sound wave's frequencies.
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The level at which harmonic distortion becomes audible depends on the exact nature of the distortion.
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Different types of Harmonic distortion are more audible than others even if the THD measurements are identical.
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Non-flat frequency response is a form of Harmonic distortion that occurs when different frequencies are amplified by different amounts in a filter.
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In binary signaling such as FSK, Harmonic distortion is the shifting of the significant instants of the signal pulses from their proper positions relative to the beginning of the start pulse.
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The magnitude of the Harmonic distortion is expressed in percent of an ideal unit pulse length.
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10.
Telegraphic Harmonic distortion is a similar and older problem, distorting the ratio between mark and space intervals.
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11.
In cartography, a Harmonic distortion is the misrepresentation of the area or shape of a feature.
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