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In recently years, biomass as a renewable and widely available source of energy has increasingly been used in power generation industry and the concept of bio-power is widely accepted. However, conventional methods for proximate analysis are time consuming and can only be performed in laboratory. In this paper, 110 biomass samples are collected and near infrared spectroscopy (NIRS) technology is applied...
This paper proposes a method of empirical mode decomposition (EMD) modal parameter identification based on Laplace wavelet matching, on the basis of synchronization test for pressure switch. Taking a pressure switch which is used in the air-conditioning of automotives as a object, the paper conducts a lot experiments with hammering test and white noise for vibrating identification of diaphragm. Results...
De-noising based on wavelet may bring artifacts (Gibbs) on the discontinuity points of signals. Because of great translation work of the method- translation invariance that can eliminate Gibbs, the partial translation invariance is presented. Haar wavelet that can eliminate Gibbs if the discontinuity is in the middle of the signals is analyzed firstly, then the method detecting the location of discontinuity...
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