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The rapid development of modern information technology to drive the development of sensor technology has become one of the pillars of modern information technology development. The reliability of the sensors as sensor applications in various industries is more and more attention. Therefore, sensor fault diagnosis technology is more and more importance. This paper takes the digital stage integrated information collection system inertial sensor as an example, and it not only introduces the application of wavelet analysis in sensor fault diagnosis, but also studied the application function of continuous wavelet transforms. Through simulation experiment, we simulated and verified the effect of continuous wavelet transforms in the sensor fault. The experiment proved that the continuous wavelet transform analyses have good sensitivity and anti-noise in sensor fault diagnosis, then it shows that the wavelet transform analysis method has a good practical application in sensor network fault.

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