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

MEN Xiu-hua; LI Shun-ming; YANG Dong

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

更新时间：2026-07-07

- Simulation and experimental investigation of test signal transmission on temperature changing environment
- Vol. 26, Issue 7, (2011)
- 作者机构：
  
  1. 济南大学机械工程学院,济南,25002
  2. 南京航空航天大学能源与动力学院,南京,210016
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2011
- 稿件说明：
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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]. 2011, 26(7).
DOI：

MEN Xiu-hua, LI Shun-ming, YANG Dong. Simulation and experimental investigation of test signal transmission on temperature changing environment[J]. 2011, 26(7). DOI：

摘要

信号传输理论应用于电路网络中

由基尔霍夫定律推导了离散的温度-时间信号传输模型.给出了一种基于电压和电流的迭代算法

分别实现了导线升温、降温过程的信号传输仿真分析.研究表明:测试信号幅值随温度升高而逐渐衰减

在300℃时

幅值衰减了10%左右

而在升、降温并存环境中幅值衰减更加明显.在此基础上

设计了温变环境下的振动测试试验

所得结果与仿真分析结果一致.该研究为提高振动测试信号的精度提供了一种新方法.

Abstract

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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