30-04-2020 дата публикации
Номер: US20200132650A1
Принадлежит:
A system, for measuring a physical quantity representative of air quality in an observation zone, comprises a mapping with a set (V) of modeled values representative of the physical quantity; means for measuring the physical quantity and possessing N positions or N trajectories in the observation zone to exhibit a spatial distribution (S); and means for calculating S. The calculating means are configured to construct a mesh comprising G points in the observation zone; calculate, for a given spatial distribution, an estimator ({circumflex over (V)}) of the set V for each of the G points in the mesh; calculate a cost function representative of the difference or of the likelihood between {circumflex over (V)} and the V values extracted at the G points; and extract the Sto minimize or maximize the cost function. 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;{'sub': 'opt', '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 S, in the observation zone; and'}{'sub': 'opt', 'claim-text': 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;', {'o': {'@ostyle': 'single', 'V'}, 'calculate a cost function, denoted φ(S), representative of a difference or of a likelihood between {circumflex over (V)} and the modeled values, denoted , of the set V extracted at the G points of the mesh; and'}, {'sub': 'opt', 'o': {'@ostyle': 'single', 'V'}, 'extract the spatial ...
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