A Weak SNR Signal Extraction Method for Near-Bit Attitude Parameters Based on DWT
Abstract
:1. Introduction
2. Backgrounds
2.1. Static Drilling and Dynamic Drilling
2.2. Influence of Near-Bit Vibration on Attitude Parameters Measurements
2.3. Effect of High-Speed Tool Rotation on Attitude Parameter Measurements
3. New Scheme for Gravity Acceleration Signals Extraction Based on DWT
3.1. Discrete Wavelet Transformation
3.2. Calculation Procedure of Attitude Measurement Parameters
3.3. Proposed Extraction Scheme Based on DWT
4. Performance Evaluation and Discussion
4.1. Verification of Our Extraction Algorithm via MATLAB Simulation
4.2. Verification of Our Extraction Algorithm via Actual Drilling Data
5. Conclusions
Author Contributions
Funding
Data Availability Statement
Conflicts of Interest
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Mao, Y.; Zhong, Y.; Gao, Y.; Wang, Y. A Weak SNR Signal Extraction Method for Near-Bit Attitude Parameters Based on DWT. Actuators 2022, 11, 323. https://doi.org/10.3390/act11110323
Mao Y, Zhong Y, Gao Y, Wang Y. A Weak SNR Signal Extraction Method for Near-Bit Attitude Parameters Based on DWT. Actuators. 2022; 11(11):323. https://doi.org/10.3390/act11110323
Chicago/Turabian StyleMao, Yanhui, Yongmin Zhong, Yi Gao, and Yuelong Wang. 2022. "A Weak SNR Signal Extraction Method for Near-Bit Attitude Parameters Based on DWT" Actuators 11, no. 11: 323. https://doi.org/10.3390/act11110323