Removal of noise from weak dynamic signals of explosion and shock test based on wavelet

被引:0
|
作者
Wu, ZT [1 ]
Ren, GD [1 ]
Wang, QS [1 ]
Jiang, ZD [1 ]
机构
[1] Xian Jiaotong Univ, Inst Precise Engn, Xian 710049, Peoples R China
关键词
wavelet analysis; de-noise; explosion and shock; weak signal;
D O I
暂无
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
To obtain correct information, the background noise has to be removed or the sound must be purified. How to remove noise and eliminate disturbance from the measured signal, and a de-noising method based on the wavelet technique and using Morlet wavelet as the mother wavelet is therefore proposed to enable its time-frequency resolution to be adjustable it to the signal to be analyzed.
引用
收藏
页码:606 / 609
页数:4
相关论文
共 50 条
  • [21] METHODS OF SEPARATING WEAK PERIODIC SIGNALS FROM NOISE
    POTAPOV, AV
    CHEKALOV, VV
    CHERNYAV.AF
    INSTRUMENTS AND EXPERIMENTAL TECHNIQUES-USSR, 1968, (05): : 1020 - &
  • [22] Wavelet-Based Detrending for EMG Noise Removal
    Attenberger, Andreas
    Buchenrieder, Klaus
    2013 20TH ANNUAL IEEE INTERNATIONAL CONFERENCE AND WORKSHOPS ON THE ENGINEERING OF COMPUTER BASED SYSTEMS (ECBS 2013), 2013, : 196 - 202
  • [23] Fast removal of stripe noise based on wavelet decomposition
    Yang, Jingwei
    Wang, Sile
    Yang, Wenzhu
    2013 FOURTH GLOBAL CONGRESS ON INTELLIGENT SYSTEMS (GCIS), 2013, : 195 - 199
  • [24] An Impulse Noise Removal Based on a Wavelet Neural Network
    Deng, Chao
    An, Ji Yu
    ICIC 2009: SECOND INTERNATIONAL CONFERENCE ON INFORMATION AND COMPUTING SCIENCE, VOL 2, PROCEEDINGS: IMAGE ANALYSIS, INFORMATION AND SIGNAL PROCESSING, 2009, : 71 - 74
  • [25] Recognition of oceanic explosion signals based on wavelet packet transform and neural network
    Li, RY
    Ma, YL
    Zhang, ZM
    WAVELET ANALYSIS AND ITS APPLICATIONS (WAA), VOLS 1 AND 2, 2003, : 341 - 346
  • [26] Parameters of Noise Suppression Based on Wavelet Transform for Phonocardiographic Signals
    Kudo, Shinya
    Nishijima, Keisuke
    Uenohara, Shingo
    Furuya, Ken'ichi
    PROCEEDINGS OF 2016 10TH INTERNATIONAL CONFERENCE ON COMPLEX, INTELLIGENT, AND SOFTWARE INTENSIVE SYSTEMS (CISIS), 2016, : 578 - 581
  • [27] Morphological filter based noise removal from vibration signals of fighter plane
    Jiang, SD
    Lu, ZM
    Sun, SH
    PROCEEDINGS OF 2001 INTERNATIONAL SYMPOSIUM ON INTELLIGENT MULTIMEDIA, VIDEO AND SPEECH PROCESSING, 2001, : 251 - 254
  • [28] TIME-BASED NOISE REMOVAL FROM MAGNETIC RESONANCE SOUNDING SIGNALS
    Shahi, Mahmoud
    Khaloozadeh, Hamid
    Hafizi, Mohammad Kazem
    INTERNATIONAL JOURNAL OF INNOVATIVE COMPUTING INFORMATION AND CONTROL, 2011, 7 (12): : 6635 - 6646
  • [29] Projection Operator Based Removal of Baseline Wander Noise from ECG Signals
    Agrawal, Sakshi
    Gupta, Anubha
    2013 ASILOMAR CONFERENCE ON SIGNALS, SYSTEMS AND COMPUTERS, 2013, : 957 - 961
  • [30] Removal of colored noise from non-stationary signals using wavelet packet and cosine packet decompositions
    Barsanti, RJ
    Proceedings of the Thirty-Seventh Southeastern Symposium on System Theory, 2005, : 297 - 301