About this article
Published Online: Nov 20, 2021
Page range: 348 - 351
Received: Sep 24, 2021
DOI: https://doi.org/10.2478/jee-2021-0049
Keywords
© 2021 Pengfei Xu et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Interpolation improves the resolution of the curve. Based on the stationary characteristics of the signal and the non-stationary characteristics of the noise, the theoretical proof indicates that the piecewise linear interpolation can improve the signal-to-noise ratio, which is further confirmed by simulation results.