Zero-drift analysis and processing of explosion shock with low distortion

ZHANG Wenwei; PANG Jiazhi; YANG Shichao; ZHAI Jiang

doi:10.11883/bzycj-2017-0251

Volume 38 Issue 3

Feb. 2018

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ZHANG Wenwei, PANG Jiazhi, YANG Shichao, ZHAI Jiang. Zero-drift analysis and processing of explosion shock with low distortion[J]. Explosion And Shock Waves, 2018, 38(3): 509-516. doi: 10.11883/bzycj-2017-0251

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ZHANG Wenwei, PANG Jiazhi, YANG Shichao, ZHAI Jiang. Zero-drift analysis and processing of explosion shock with low distortion[J]. Explosion And Shock Waves, 2018, 38(3): 509-516. doi: 10.11883/bzycj-2017-0251

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Zero-drift analysis and processing of explosion shock with low distortion

doi: 10.11883/bzycj-2017-0251

Aerospace Science and Industry Defense Technology Research and Test Center, Beijing 100854, China

Received Date: 2017-01-20
Rev Recd Date: 2017-02-28
Publish Date: 2018-05-25

Abstract

Abstract

Due to its wide shock frequency and high amplitude, an explosion shock signal is commonly characterized by the phenomenon of signal zero drift in its measuring shock tests. In this study, we examined the origin of this zero drift phenomenon, compared the advantages and disadvantages of various methods used to rectify it, and proposed an improved version of the empirical mode decomposition (EMD) method with the window function filter in the frequency domain. The result shows that our improved EMD method can make up for the defects suffered by the current methods and provide data for explosion shock signal processing with low distortion.
- empirical mode decomposition,
- explosion transient shock,
- zero drift,
- data processing

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References(11)

References

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