1. Research on Method of Random Error Separation Based on Wavelet Transform and Frequency Bands Character
- Author
-
Xiu Yun Duan and Yu Huang
- Subjects
Discrete wavelet transform ,Lifting scheme ,Computer science ,business.industry ,Second-generation wavelet transform ,Stationary wavelet transform ,Wavelet transform ,Pattern recognition ,Cascade algorithm ,General Medicine ,Wavelet packet decomposition ,Wavelet ,Artificial intelligence ,Harmonic wavelet transform ,business ,Continuous wavelet transform - Abstract
a new method of random error separation based on wavelet transform and the frequency bands character of measurement data is proposed. Approximates the random error with the detail components of the wavelet decomposition, determines the optimal decomposition level on the frequency intervals between the random errors and other components, and finally gets the random error by reconstructing all the detail components. The method is simply and efficient, avoids the indirect error with modeling and indirect methods, and computer simulation proves the robustness of the separation results.
- Published
- 2013