Filtering and noise reduction method, device, electronic device and storage medium
A technology of noise reduction and memory, applied in the field of sensors, can solve the problems of low-cost real-time system difficult to implement and large amount of calculation
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[0033] see figure 2 , is a filtering and denoising method applied to the electronic device 100 provided by the embodiment of the present invention, which will be combined below figure 2 Describe the steps involved.
[0034] Step S101: Obtain the original signal to be processed.
[0035] Obtain the raw signal to be processed, for example, obtain the raw signal collected by the MEMS sensor. The present application mainly aims at filtering the dynamic output signal of a low-cost Micro-Electro-Mechanical System (MEMS) sensor, so as to improve the data accuracy output by the sensor.
[0036] Step S102: Decompose the original signal into multiple intrinsic time scale components.
[0037] After obtaining the original signal to be processed, an improved adaptive time-scale decomposition (IATD) algorithm is used to decompose the original signal into multiple intrinsic time-scale components. First, take the original signal as the signal x(t) to be processed, and obtain all local e...
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