Signal Processing Toolbox

Opening the Spectrum Viewer

To open the Spectrum Viewer and create a PSD estimate from SPTool:

1. Select a signal from the Signal list box in SPTool.
2. Press the Create button in the Spectra list.
3. Press the Apply button in the Spectrum Viewer.

To open the Spectrum Viewer with a PSD estimate already listed in SPTool:

1. Select a PSD estimate from the Spectra list box in SPTool.
2. Press the View button in the Spectra list.

For example:

1. Select mtlb in the default Signals list in SPTool.
2. Press the Create button in SPTool to open the Spectrum Viewer.
3. Press the Apply button in the Spectrum Viewer to plot the spectrum
   
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The Spectrum Viewer has the following components:

• A signal identification region that provides information about the signal whose power spectral density estimate is displayed
• A Parameters region for modifying the PSD parameters
• A display region for analyzing spectra
• Zoom buttons for navigating plotted spectra
• Marker buttons and line-display buttons for making spectral measurements and comparisons
• Spectrum management controls:
• Inherit from menu to inherit PSD specifications from another PSD object listed in the menu
• Revert button to revert to the named PSD's original specifications
• Apply button for creating or updating PSD estimates
• Menu options for modifying plot display characteristics
• Menu options and buttons for printing PSD plots

Overview of the Spectrum Viewer: Spectral Analysis

Getting Help