Pipeline millisecond online data compound compression/decompression method
A technology of data compression and composite compression, applied in electrical components, code conversion, etc., can solve the problems of important information loss and high compression ratio
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[0071] The present invention will be further described in detail below with reference to the drawings and specific examples:
[0072] The composite compression method of pipeline millisecond-level online data in this embodiment, such as figure 1 As shown, including the following steps:
[0073] Step 1: Collect the real-time millisecond-level operating signal of the pipeline and convert it into an analog electrical signal. After filtering and amplifying, it is further converted into a digital electrical signal; the size of the pipeline millisecond-level online data collected in this embodiment is 3.65kb, and the number of data The number is 150, and the data mainly includes time information and pipeline operating pressure data.
[0074] Step 2: Use the multi-wavelet threshold compression algorithm to perform multi-wavelet transformation on the pipeline running digital electrical signal in step 1, to obtain a wavelet coefficient matrix with a high-frequency wavelet coefficient part an...
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