Volume 26 Issue 7
Jul.  2011
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MEN Xiu-hua, LI Shun-ming, YANG Dong. Simulation and experimental investigation of test signal transmission on temperature changing environment[J]. Journal of Aerospace Power, 2011, 26(7): 1543-1550.
Citation: MEN Xiu-hua, LI Shun-ming, YANG Dong. Simulation and experimental investigation of test signal transmission on temperature changing environment[J]. Journal of Aerospace Power, 2011, 26(7): 1543-1550.

Simulation and experimental investigation of test signal transmission on temperature changing environment

  • Received Date: 2010-06-03
  • Rev Recd Date: 2010-12-12
  • Publish Date: 2011-07-28
  • The signal transmission theory was applied to circuit network to obtain discrete temperature-time signal transmission model derived by Kirchhoff's law.And then,an iterative algorithm based on voltage and current was proposed,realizing the signal transmission with different temperature change processes.It shows that the amplitude of output signal gradually attenuates with the rise of conductor temperature,by 10% at 300℃.And the amplitude attenuation is more evident due to the coexistence of conductor temperature rise and drop.The corresponding experiment has been conducted,and the results can meet that of proposed model.It provides a new method for improving the accuracy of vibration test signal.

     

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