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misc:investigations:lps-precision [2017-05-11 15:14]
kristoffer
misc:investigations:lps-precision [2021-06-24 16:39] (current)
kimberly
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 +<WRAP center round important 60%>
 +This page has deprecated and will be archived. Please go to [[https://www.bitcraze.io/]].
 +</WRAP>
 ====== Measurements of accuracy and precision of the Loco Positioning system ====== ====== Measurements of accuracy and precision of the Loco Positioning system ======
  
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 | 1.62 | 4.80 | 1.44  | 1.67 |0.03 | 4.64 |-0.16| 1.40 |-0.27| 0.013  | 0.0093 | 0.013 | | 1.62 | 4.80 | 1.44  | 1.67 |0.03 | 4.64 |-0.16| 1.40 |-0.27| 0.013  | 0.0093 | 0.013 |
  
 +[[https://docs.google.com/spreadsheets/d/1ggHmUmRQ1N15vgPnumlmCsrpjw32Cm7DYKf-GYCoKck|Measurements]]
 ===== Measurement of accuracy and noise of 3D estimate and ranges ===== ===== Measurement of accuracy and noise of 3D estimate and ranges =====
  
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 === Analysis === === Analysis ===
 +
 +== Estimated position == 
 +
 +^ Physical position ^^^ Average estimated position ^^^^^^ Std-dev of estimated position ^^^ Average error ^
 +^ X ^ Y ^ Z ^ X ^ Err ^ Y ^ Err ^ Z ^ Err ^ X ^ Y ^ Z ^ distance ^
 +| 5.00 | 1.50 | 0.76 | 4.96 | 0.017 | 1.60 | 0.041 | -0.096 | -0.213 | 0.017 | 0.018 | 0.015 | 0.237 |
  
 == Raw range measurements ==  == Raw range measurements == 
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 Average and standard deviations are calculated on all data, including outliers. Average and standard deviations are calculated on all data, including outliers.
  
-The main part of the error should be the caused by the antenna delay, expected to be the same for all anchors.+The main part of the error should be caused by the antenna delay, expected to be the same for all anchors.
  
 ^ ^ Physical ^ Raw range measurements ^^^ ^ ^ Physical ^ Raw range measurements ^^^
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 |  5  | 2.20 | 1.90 | 0.008 | 0.30 | |  5  | 2.20 | 1.90 | 0.008 | 0.30 |
  
 +== Histogram over raw range measurements ==
 +{{:misc:investigations:hist_ref_setup.png?direct|}}
misc/investigations/lps-precision.1494508449.txt.gz · Last modified: 2017-05-11 15:14 by kristoffer