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OPTIMIZATION OF THE SPATIAL DISTRIBUTION OF AIR QUALITY MEASUREMENT MEANS

  • US 20200132650A1
  • Filed: 04/17/2018
  • Published: 04/30/2020
  • Est. Priority Date: 04/19/2017
  • Status: Active Grant
First Claim
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1. A system for measuring at least one physical quantity representative of air quality in an observation zone, the system comprising:

  • a mapping of the observation zone, comprising a set, denoted V, of modeled values representative of the at least one physical quantity;

    means for measuring the at least one physical quantity, possessing a number N of positions or a number N of trajectories in the observation zone, the N positions or the N trajectories exhibiting a spatial distribution, denoted Sopt, in the observation zone; and

    means for calculating the spatial distribution Sopt, configured to;

    construct a mesh of the observation zone, the mesh comprising a number G of points;

    calculate, for a given spatial distribution, denoted S, of the N positions or of the N trajectories, an estimator of the set V, denoted {circumflex over (V)}, for each of the G points of the mesh;

    calculate a cost function, denoted φ

    (S), representative of a difference or of a likelihood between {circumflex over (V)} and the modeled values, denoted V, of the set V extracted at the G points of the mesh; and

    extract the spatial distribution Sopt to minimize or maximize the cost function in dependence on whether the cost function is representative of the difference or of the likelihood between {circumflex over (V)} and V.

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