Abstract
At present, the adaptive noise reduction method of sensor signal can not accurately reduce the noise points, and the ability to identify the change of azimuth of sensor signal is poor, resulting in poor noise reduction ability. In order to solve the above problems, a new adaptive noise reduction method for the health monitoring of civil engineering structure is studied. The mathematical model is established, the expression of noise function is analyzed, the noise function is determined, the software model is used for simulation design, the noise coefficient is extracted, the coupling system is established, the sketch map of the edges of different noisy signals is determined, the absolute coordinates of sensor signals are determined in the coordinate system, and the adaptive noise reduction of sensor signals is carried out according to image threshold and communication mode. The experimental results show that the adaptive denoising method for the health monitoring of civil engineering structure can reduce the noise point by half, and improve the ability to understand the change of the sensor signal azimuth.
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