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Nyquist Plot of a Filter

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Signal Processing Resource Center » LabVIEW Signal Processing Shipping Examples » Nyquist Plot of a Filter

Computes the frequency response function of a digital filter and displays the attenuation versus the frequency, as well as the imaginary part versus the real part (i.e., Nyquist plot). This example uses a white noise signal as the stimulus of the filter and measures the frequency response between this stimulus and the response of the filter.

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This example requires the Full or Professional version of LabVIEW and is included as a shipping example. Download the LabVIEW Evaluation to try this example on your computer, or visit the LabVIEW Online Evaluation to use LabVIEW without downloading any software. To run this example, open LabVIEW and navigate to Help » Find Examples... » Analyzing and Processing Signals » FFT and Frequency Analysis » Nyquist Plot of a Filter

 


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This example program (this "program") was developed by a National Instruments ("NI") Applications Engineer. Although technical support of this program may be made available by National Instruments, this program may not be completely tested and verified, and NI does not guarantee its quality in any way or that NI will continue to support this program with each new revision of related products and drivers. THIS EXAMPLE PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND AND SUBJECT TO CERTAIN RESTRICTIONS AS MORE SPECIFICALLY SET FORTH IN NI.COM'S TERMS OF USE (http://ni.com/legal/termsofuse/unitedstates/us/).