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本文提出了故障信号的宽带解调技术并对其性能做了详细的理论分析,给出了其结果的信噪比表达式。为了比较,还给出了共振解调技术的理论分析结果。理论和实践都证明:本文所提出的宽带解调技术优于共振解调技术。
In this paper, the broadband demodulation technology of fault signal is proposed and its performance is analyzed theoretically in detail. The signal-to-noise ratio of the result is given. For the sake of comparison, the theoretical analysis results of resonance demodulation technique are also given. Both theory and practice prove that the proposed broadband demodulation technology is superior to the resonant demodulation technique.