A PM2.5 Concentration Estimation Method Based on Vehicle-mounted Data Acquisition Technology
A data acquisition, vehicle-mounted technology, applied in electrical digital data processing, special data processing applications, computing, etc., can solve the problems of low data area coverage, high cost of monitoring equipment, difficult measurement, etc., to achieve easy deployment, price Inexpensive and stable
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[0034] The present invention will be further described below in conjunction with accompanying drawing.
[0035] The specific steps of the PM2.5 grid concentration estimation method based on vehicle-mounted data acquisition technology are:
[0036] Step (1), using the vehicle-mounted dust collection equipment to collect the original PM2.5 concentration data. Such as figure 1 As shown, the urban area is gridded, and the vehicle equipped with dust collection equipment collects the PM2.5 concentration data in the urban area and transmits it to the server through the GPRS network. Such as figure 2 As shown, the grid with a circle means that the test vehicle has passed the grid, that is, the grid has PM2.5 concentration data coverage, and the grid without circles means that the grid has no PM2.5 concentration data coverage.
[0037] Step (2), using the collected original PM2.5 concentration data to establish a probability transition matrix model. This step consists of the follo...
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