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ZHAO Suo-fei, SA Chao, YANG Na, LI Ting-ting. Laminated veneer lumber strength testing system based on time domain and frequency domain analyses.[J]. Journal of Beijing Forestry University, 2012, 34(3): 116-119.
Citation: ZHAO Suo-fei, SA Chao, YANG Na, LI Ting-ting. Laminated veneer lumber strength testing system based on time domain and frequency domain analyses.[J]. Journal of Beijing Forestry University, 2012, 34(3): 116-119.
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Laminated veneer lumber strength testing system based on time domain and frequency domain analyses.

  • School of Technology, Beijing Forestry University,100083,P.R.China.

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  • Received Date: December 31, 1899
  • Revised Date: December 31, 1899
  • Published Date: May 29, 2012
    Graphical Abstract
    • Abstract
  • In order to test the strength of laminated veneer lumber nondestructively and online, a new detecting system which can test the strength of laminated veneer lumber based on time domain and frequency domain analyses was introduced in this paper. Data acquisition card PCI-1710HG was selected to collect data information. Industrial computer was used as the core processor. By extracting vibration signal logarithmic decrement and each natural frequency of samples, the strength of laminated veneer lumber can be tested. Testing principle, system constitutes, software design and experiments were discussed. Also this system designing was validated by experiments.
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