Peidong Zhuang

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Based on the theory of wavelet packet for signal analysis, a new method to diagnose mechanical fault for circuit breakers is presented. Firstly, vibration signal after noise removing is wp-decomposed at the fourth level, and the signal of each junction at the fourth level are reconstructed; Secondly, the characteristic vector is extracted with the(More)
We report the observation of hybrid optoelectronic bistability in a fiber Bragg grating (FBG) by use of an electro-optically tuned cw fiber laser in which another wavelength-matched FBG is employed to constitute a tunable resonant cavity. The potential application of such a device as a fiber-optic sensor is also discussed.
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