Theory and Design for Mechanical Measurements
Theory and Design for Mechanical Measurements
6th Edition
ISBN: 9781118881279
Author: Richard S. Figliola, Donald E. Beasley
Publisher: WILEY
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Chapter 6, Problem 6.39P

The Labview program Filtering_Noise demonstrates the effect of using a low-pass Butterworth filter to treat a signal containing high-frequency noise. Set the signal frequency at 5 Hz. Set the cutoff frequency at 10 Hz. Discuss the behavior of the filter as the number of stages is increased. Then incrementally decrease the cutoff frequency and discuss the behavior. Tie your discussion back to filter roll-off. What happens when the cutoff frequency is less than the signal frequency? Why?

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Theory and Design for Mechanical Measurements

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