From the course: Learning LabVIEW

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Filter Express VI

Filter Express VI - LabVIEW Tutorial

From the course: Learning LabVIEW

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Filter Express VI

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- [Instructor] After acquiring or simulating a signal, the next step in many labVIEW applications is to apply some sort of signal processing to it. The example code shown here uses the Simulate Signal Express VI to continuously generate a sine wave. And I can use this slider on the front panel to adjust its frequency from zero to 100 hertz. Filtering is one of the most common signal processing operations so it should be no surprise that there's a Filter Express VI. You can find it on the Functions palette in the Express section, Signal Analysis, Filter. The configuration options let you select a filter type. There's Lowpass, Highpass, Bandpass, and others. For now, I'll select Lowpass filter. From there you can set different filter specifications. By default, this Lowpass filter has a cutoff frequency of 100 hertz, I'm going to lower that down to 20. There are other more advanced filter configuration options here, but…

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