Abstract
The wavelet transform has been proved to be an efficient tool for de-noising the signal due to its capability to stand out inhomogeneous and localized signal features. This paper presents a wavelet filter in ITER PF converter I&C system for signals de-noising and processing using the discrete wavelet transform. Daubechies 4 which is an orthogonal wavelet has been selected. The wavelet filter was realized by transforming the signal into the wavelet domain and then reconstructing the signal after eliminating the noise by compulsory de-noising method. The wavelet filter eliminates the noise effectively and accurately, proved by the simulation and experimental results.
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