Problem about frequency filtering help me

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SUMMARY

The discussion centers on a homework assignment involving frequency filtering of sensor voltage data using MATLAB. The task requires plotting the voltage data, performing a Fourier transform, and designing a low-pass filter. Key challenges include analyzing the data to determine periodic properties and identifying the appropriate cutoff frequency for the filter. Participants emphasize the importance of using MATLAB for data visualization and transformation.

PREREQUISITES
  • Understanding of Fourier Transform in MATLAB
  • Knowledge of low-pass filter design principles
  • Ability to analyze periodic properties in signal data
  • Familiarity with MATLAB plotting functions
NEXT STEPS
  • Learn how to implement Fourier Transform in MATLAB
  • Research methods for designing low-pass filters in MATLAB
  • Explore techniques for analyzing periodic properties of signals
  • Study MATLAB plotting functions for effective data visualization
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Students in electrical engineering, signal processing enthusiasts, and anyone tasked with analyzing sensor data and implementing filtering techniques in MATLAB.

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Problem about frequency filtering help me please urgent

Homework Statement


I received sensor's volts and professor says "plot the volts ,Fourier transform, analyze data and design low pass filter"
it is attached "data.zip"
<< zip file deleted by Mentors >>
it has 4 data in matlab
1 is ploted volts
사진1.jpg

2 is transformed volts ploted
사진2-3.jpg


Homework Equations


nothing?
low pass filtering



The Attempt at a Solution


how to analyze data (find period properties and frequencys)
how to find cut off frequency
Help me please
 
Last edited:
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kohkeun said:

Homework Statement


I received sensor's volts and professor says "plot the volts ,Fourier transform, analyze data and design low pass filter"
it is attached "data.zip"
<< zip file deleted by Mentors >>
it has 4 data in matlab
1 is value of volts
2 is ploted volts
3 and 4 is transformed volts and ploted transformed volts



Homework Equations


nothing?
low pass filtering



The Attempt at a Solution


how to analyze data (find period properties and frequencys)
how to find cut off frequency
Help me please

Please do not post ZIP attachments. Please post in PDF or JPG formats.
 

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