Composite software filtering method and system applied to AD collection
A software filtering and composite technology, applied in the field of signal processing, can solve the problems of inability to effectively suppress the periodic interference of irregular high-frequency signals, poor smoothness, and large overall data deviation.
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Embodiment 1
[0047] This scheme discloses a compound software filtering method applied in AD acquisition, such as Figure 9 shown, including:
[0048] Obtain the original time series data after AD conversion, and open up a certain space for sequential storage;
[0049] Take the latest continuous measured values of N items and sort them to get a set of increasing or decreasing sequence {n 1 , n 2 ,...,n N};
[0050] Process the obtained increasing or decreasing sequence, and discard the X items of data at the front end and back end of the sequence respectively, where X is not greater than 0.5N, and average the remaining data to obtain a preprocessing value
[0051] Reacquire the latest continuous measured values of N items for sorting, repeat the above operation M times, and finally obtain M items of preprocessing values.
[0052] Preferably, the value of M is greater than 5 and is a multiple of 5.
[0053] Define a window with a time period of T and a storage space of M, store ...
Embodiment 2
[0070] The invention discloses a composite software filtering system applied in AD acquisition, which includes a server, the server includes a memory, a processor, and a computer program stored in the memory and operable on the processor, the program implements The composite software filter applied in AD acquisition described in Example 1.
Embodiment 3
[0072]The invention discloses a computer-readable storage medium, on which a computer program is stored, and when the program is executed by a processor, the compound software filtering method applied in AD acquisition described in the first embodiment is executed.
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