A signal is made up of 3 sine waves of equal amplitude with frequencies F1 = 180 hz, F2 = 1200 Hz, and F3 = 2500 Hz. This signal is monitored using a DAQ and plotted on a FFT. The DAQ settings are Fsample = 4000 Hz, Nsample = 10,000. 1). Draw the resulting measured FFT below. 2). Draw the resulting measured FFT if the signal is passed through an analog Low Pass filter with a cutoff frequency of Fc = 400 Hz prior to measurement.
A signal is made up of 3 sine waves of equal amplitude with frequencies F1 = 180 hz, F2 = 1200 Hz, and F3 = 2500 Hz. This signal is monitored using a DAQ and plotted on a FFT. The DAQ settings are Fsample = 4000 Hz, Nsample = 10,000. 1). Draw the resulting measured FFT below. 2). Draw the resulting measured FFT if the signal is passed through an analog Low Pass filter with a cutoff frequency of Fc = 400 Hz prior to measurement.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A signal is made up of 3 sine waves of equal amplitude with frequencies F1 = 180 hz, F2 = 1200 Hz, and F3 = 2500 Hz. This signal is monitored using a DAQ and plotted on a FFT.
The DAQ settings are Fsample = 4000 Hz, Nsample = 10,000.
1). Draw the resulting measured FFT below.
2). Draw the resulting measured FFT if the signal is passed through an analog Low Pass filter with a cutoff frequency of Fc = 400 Hz prior to measurement.
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