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Fixed-point public opinion monitoring system uses ordinary color printers to output data in two ways. One is to use the printer's drawing function to output images in an image. According to different types of soil moisture, printing pixels are assigned different colors, making the data very intuitive. A provincial-wide lyrics information can be printed on a wide line of paper, which is convenient for carrying and storing data. Another form is output in the form of compressed characters, and the graphic is large and clear.
At present, the relationship between the fixed-point moisture monitoring system and the relative humidity of the soil at a depth of 10cm is established, and the correlation is relatively high. In general, under the same relative soil moisture conditions, the daily temperature in the eastern coastal areas is much lower than in the western region. The effect of depth less than 10cm is unsatisfactory, which is very lacking in the use of agriculture. It should be deeper research to find ways to monitor the relative humidity of deeper soils.
The fixed-point public opinion monitoring system data has the advantages of flexible, convenient, fast, and beautiful graphics output on the computer screen. To facilitate the promotion, the use of micro-displays for real-time display of public opinion is a good application. In the case of fixed-point public opinion monitoring system data output, if the administrative boundaries are not added, it will be difficult to analyze the soil moisture situation in a certain place, and it will not be possible to count the drought area in each place. Therefore, it is necessary to make an administrative boundary map.
Fixed point monitoring system data output processing
As the seasons change, the ground temperature also changes. The temperature difference is also changing. The temperature and temperature difference are not the same on the same date during the year. Therefore, the relationship established with a certain data and measured soil relative humidity can only be used within a short period of time. Otherwise, it will cause a large error. The relative humidity of the soil monitored by the fixed-point public opinion monitoring system is used to establish the relationship, check and contrast, and then Calculate the soil moisture of other pixel points.