Mathematical Problems in Engineering / 2014 / Article / Fig 4

Research Article

Sparse Representation of Transients Based on Wavelet Basis and Majorization-Minimization Algorithm for Machinery Fault Diagnosis

Figure 4

Detection results of the simulated signal by using the proposed method: (a) the sparse coefficients; (b) the amplified sparse coefficients, and (c) the reconstructed signal.
696051.fig.004a
(a)
696051.fig.004b
(b)
696051.fig.004c
(c)

We are committed to sharing findings related to COVID-19 as quickly and safely as possible. Any author submitting a COVID-19 paper should notify us at help@hindawi.com to ensure their research is fast-tracked and made available on a preprint server as soon as possible. We will be providing unlimited waivers of publication charges for accepted articles related to COVID-19. Sign up here as a reviewer to help fast-track new submissions.