The mask is defined by a frequency vector and a magnitude vector. To add spectral masks or rejection area lines to your magnitude plot, click View > User-defined Spectral Mask. You can click the response to add plot data tips that display information aboutįor information on using data tips, see Interactively Explore Plotted Data. You can overlay the filter specifications on the Magnitude plot by selecting View > Specification Mask. You can also display the filter coefficients and detailed filter information in thisįor all the analysis methods, except zero-phase response, you can access them from theĪnalysis menu, the Analysis Parameters dialog box from theĬontext menu, or by using the toolbar buttons. (Note that not all responses can be overlaid A second y-axis isĪdded to the right side of the response plot. You can display two responses in the same plot by selecting Analysis > Overlay Analysis and selecting an available response. These two analyses are the only ones that use filterįor descriptions of the above responses and their associated toolbar buttons and otherįilter Designer toolbar buttons, see FVTool. If you have DSP System Toolbox installed, two other analyses are available: magnitude response estimateĪnd round-off noise power. You have two mutually exclusive options for determining the filter order when you You can also view the filter specifications on the Magnitude plot of a designed filterīy selecting View > Specification Mask. The display region illustrates filter specifications when you select Analysis > Filter Specifications or when you click the Filter Specifications toolbar The filter design specifications that you can set vary according to response type andĭesign method. Setting the Filter Design Specifications Viewing Filter Specifications To select the Remez algorithm to compute FIR filter coefficients, select theįIR radio button and choose Equiripple from the Or you can select a filter design method from the available FIR and IIR methods listed in You can use the default filter design method for the response type that you've selected, Filterĭesign methods that are not available for a selected response type are removed from theĭesign Method region of the app. Your response type, this may restrict the filter design methods available to you. Not all filter design methods are available for all response types. Saving and Opening Filter Design Sessions.
Managing Filters in the Current Session.Exporting Coefficients or Objects to a MAT-File.Exporting Coefficients to an ASCII File.Exporting Coefficients or Objects to the Workspace.Editing the Filter Using the Pole-Zero Editor.Bandpass Filter Magnitude Specifications.Bandpass Filter Frequency Specifications.Setting the Filter Design Specifications.
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