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A new method to denoise partial discharge signal is presented in this paper. It is based on the adaptive wavelet transform combining with mathematical morphology method to eliminate the noise of partial discharge, and use self-adaptive method to select the threshold coefficient. Wavelet transform threshold and wavelet transform modular maximum have compared with this method. The testing results prove...
In order to detect luminous intensity of light signal in NIR (Near-infrared) wavelength range, a novel MOEMS(Micro-Opto-Electro-Mechanical Systems) NIR spectrometer is proposed in the paper. It uses DMD (Digital Micro-mirror Device) to band filter the input spectrum. The merits of DMD are small size, low price and high scan speed. Especially, when DMD acts as a Hadamard Transform encoding mask, the...
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