Huazhong
University of Science and Technology
Visual
Sound Instrument (Version 3.2)
Spectrum Menu
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a). Power
Spectrum
Show the power spectrum of the signal.
Below is a power spectrum of th sine signal in log mode.
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b).Amplitude
Spectrum
Show the Amplitude spectrum of the
signal. Below is a amplitude spectrum of th square signal in linear
mode.
c).Waveform
and Amplitude Spectrum
Show the waveform and the Amplitude
spectrum of the signal together.
d).Spectrum
Parameters
Set the display of the spectrum.
As shown below.
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e) 1/1 Octave Spectrum
Show the 1/1 octave spectrum of the signal. It is usually used in sound
signal analyze.
e) 1/3 Octave Spectrum
Show the 1/3 octave spectrum of the signal. It is usually used in sound
signal analyze.
f) Octave Spectrum Parameters
Set the parameters of the octave analyze. As shown below.
Weighting
This is used to set frequency weighting
network. Linear A, B and C weighting curves can be used in analyze.
Window
This is used to set spectrum
window type. Rectangle, Hanning, Hamming and Flat window are supplied.
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g) Spectrum Array
This function do spectrum array analyze of the signal.
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[Return]
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2004.1.10