How to Realize Digitized Processing of Wind Velocimeter Electrical Connection
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The input of the self-reporting paper image of the wind anemometer, the stripping of the self-recorded curve and the background, the tracking of the self-reported curve and the extraction of data are the key technologies of the digital processing system. The system designed a special self-written paper scanning system by invoking the TWAIN scanner driver interface specification; the stripping of the self-recording curve and background adopted the target image separation technology in the color space; the tracking and recognition of the self-recording curve was proposed by the system. A Segmented Linear Interpolation Algorithm Based on Gray-scale Projection Electrically Receiving Wind Anemometer The self-reporting record digital processing system is to input the wind direction wind speed self-reporting paper to the computer through the scanner, and then use the image processing and recognition technology to input the self-reporting paper. The wind direction and wind speed self-recorded curve are tracked and identified in the image, and the data represented by the curve is extracted. Finally, the extracted wind speed data is stored in the database server to measure the wind direction of the self-reporting wind paper anemometer. For units, the wind direction is divided into 16 positions, the minimum scale range is 22.5°, the wind direction is recorded according to the azimuth, and when the wind is still, the wind direction is recorded as C. Therefore, the manually-acquired azimuth value is compared with the computer's automatic digitization of the azimuth value to test whether the computer's automatic digital processing is correct or not.
Because the data recorded by the above wind anemometer records more and more information files due to the paper feature, it cannot be directly opened and used. If manual extraction of information and consolidation of records are used, it will lead to an increase in the workload, and it will not be able to achieve an automated form of management and application. Therefore, the combination of information technology and rapid system extraction and storage are inevitable trends in the development of wind anemometers.