allan-variance noise terms of MEMS accelerometer

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Specific sound position are fixed successful datasheets of MEMS sensors. In illustration nan specification of accelerometer contains accusation astir random locomotion and successful immoderate cases nan bias instability.

  • Both quantities are wished by computing nan allan varianz and allan deviation.
    The consequence of nan allan deviation consists retired of much sound position than random locomotion and bias stability.

    • Why are only random locomotion and bias instability mentioned successful datasheets?
    • Are those nan position that origin astir noise?
      If yes why?
  • One much thing:
    Different sound errors are represented by different slopes of allan deviation.

  • Is it for illustration a characteristic of allan deviation that different slopes hap aft calculating a circumstantial magnitude of overlapping clusters (groups of samples)?

Reference:

  • Allan Variance: Noise Analysis for Gyroscopes
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