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Analyzing Potentiometer Signal Noise and Filtering Techniques from Electronic Card Measurements

This document examines noise issues related to the potentiometer signals obtained from electronic cards. It presents raw data measurements using both direct potentiometer outputs and signals processed through electronic cards. The study involves filtering strategies including low-pass and FFT filters, gauging their effectiveness in reducing noise levels. Measurements taken on 20131107 highlight comparative analyses of signal profiles and the impact of filtering on data quality. Insights include optimal profiling methods for noise reduction in electronic systems.

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Analyzing Potentiometer Signal Noise and Filtering Techniques from Electronic Card Measurements

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  1. Noise issues – Potentiometer signal from the electronic card RAW DATA position measurements using the output signal from the electronic card IN OUT2 OUT1 measurements 20131107

  2. Noise issues – Potentiometer signal from the electronic card measurements 20131107

  3. Noise issues – Potentiometer signal from the electronic card measurements 20131107

  4. Noise issues – Potentiometer signal from the electronic card measurements 20131107

  5. Noise issues – Potentiometer signal from the electronic card measurements 20131107

  6. Noise issues – Potentiometer signal from the potentiometer RAW DATA position measurements using the output signal from the potentiometer with a differential probe IN OUT2 OUT1 measurements 20131107

  7. Noise issues – Potentiometer signal from the potentiometer measurements 20131107

  8. Noise issues – Potentiometer signal from the potentiometer measurements 20131107

  9. Noise issues – Potentiometer signal from the potentiometer measurements 20131107

  10. Noise issues – Potentiometer signal from the potentiometer measurements 20131107

  11. Noise issues signal from the electronic card have less noise than the signal taken directly on the potentiometer from electronic card from potentiometer measurements 20131107

  12. Filter strategies, signal from the electronic card – Stop filters + low pass FFT filter Signal from the electronic card Filter 50Hz, 150Hz, 170 . . .Hz on the signal from the electronic card before filter after filter measurements 20131107

  13. Filter strategies, signal from the electronic card – Cumulating profiles -> mean RAW DATA position measurements using the output signal from the electronic card blue 10 profiles red mean of 10 profiles IN OUT2 OUT1 measurements 20131107

  14. Filter strategies signal from the electronic card – Cumulating profiles -> mean measurements 20131107

  15. Filter strategies, signal from the electronic card – Cumulating profiles -> mean measurements 20131107

  16. Filter strategies, signal from the electronic card – Cumulating profiles -> mean measurements 20131107

  17. Filter strategies, signal from the electronic card – Cumulating profiles -> mean measurements 20131107

  18. Filter strategies, signal from the electronic card – Cumulating profiles -> mean 10 profiles FFT, results comparison one single profile measurements 20131107

  19. Filter strategies, signal from the electronic card – Cumulating profiles -> mean 10 profiles derivative of the position after FFT low pass filter 170 Hz one single profile measurements 20131107

  20. Filter strategies, signal from the electronic card – Cumulating profiles -> mean 10 profiles derivative of the position after Butter low pass filter 170 Hz one single profile measurements 20131107

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