2.47 power spectral density; power spectrum density. Limit, as the bandwidth approaches zero, of sound power divided by bandwidth. Unit, watt per hertz...
2.47 power spectral density; power spectrum density. Limit, as the bandwidth approaches zero, of sound power divided by bandwidth. Unit, watt per hertz (W/Hz). ....
2.45 spectrum. (a) Description, for a function of time, of the resolution of a signal into components, each of different frequency and (usually) different amplitude and phase. (b) “Spectrum” is also used to signify a continuous range of...
2.44 distortion. (a) Any change in the shape of a waveform not resulting from linear addition of another waveform. (b) Undesired change of waveform. Annotation 1 Multiplication by a constant and time...
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