• 并将诊断系统实际应用KM178F小型柴油机的故障诊断中,通过声信号实际识别表明效果良好

    The effect is also testified by putting it into the use on the fault diagnosis of the KM178F mini-diesel.

    youdao

  • 当研究水信道信号其中检测效果时,利用本文结果可以选择最佳接收方向

    Investigating the channel of the underwater sound and the effect of the signal detection in it, by utilizing the obtained results, the optimum receiving direction can be chosen.

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  • 后者直接应用广义s变换时频谱实现,用于高斯信号滤波,达到了突出有效信号压制效果

    Another applied in filtering signal containing Gaussian white noise is computed directly by utilizing time-frequency spectrum of GST, which can enhance non-stationary signal and suppress noise.

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  • 由于发动机频率成分比较复杂如果采用主动降噪技术不能适时采集到信号,就达不到理想降噪效果

    Because engine noise takes on complicated frequency characteristics, if original noise signal is not collected, the noise control effect will not be evident.

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  • 试验结果表明选择了适当基函数和值的情况下,采用小波变换消噪方法对舰船辐射噪声信号进行消噪处理,可以取得良好效果

    The results prove that we can get a very effective outcome by the method of wavelet transformation if the adaptive wavelet base and threshold value are chosen.

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  • 已有改进自适应算法性能进行分析,尝试将其应用于有源滤波器谐波检测中。实验表明这些变算法的性能极易受到系统中声信号干扰,改进效果不明显。

    A number of conventional time-varying step size algorithms have been tried on the active filter, and experiments indicate that their performance is highly sensitive to the noise disturbance.

    youdao

  • 已有改进自适应算法性能进行分析,尝试将其应用于有源滤波器谐波检测中。实验表明这些变算法的性能极易受到系统中声信号干扰,改进效果不明显。

    A number of conventional time-varying step size algorithms have been tried on the active filter, and experiments indicate that their performance is highly sensitive to the noise disturbance.

    youdao

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