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Revolving door compression algorithm
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Application background Process control system has the characteristics of high data throughput, high efficiency, high reliability and so on. It has made a great contribution to the long-term stable operation of the industrial control system. However, with the application of the control system of large scale, the number of signals generated by the system is greatly increased, and the number of historical data is very large. If the data is stored directly, it will not only waste a lot of storage space, but also makes the data query, transfer and call become very troublesome. The rotary door compression algorithm is a classical data processing algorithm. Key Technology Suppose the first archival data point to a and a to the connection between a data point B as the axis, after AB for both sides of the X axis vertical and width is 2 times the compression error parallelogram, along with the updating of the data, continue to using the same method, draw n
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