multi-frequency of buses 多班次的发车
The numbered, it reflects various characteristics such as smoothness of engraving, the amount of memory cache, frequency of buses required, or clock speed.
编号的，它反映了不同的特色，如光滑的雕刻，金额内存高速缓存，频率巴士的要求，或者时钟速度。
By using the method of wavelet packet transform on the big differential currents, extracting high-frequency coefficients of wavelet packet, to decide faults within or outside the buses.
该方法应用小波包对大差电流进行变换，提取高频小波包系数来判定区内或区外故障。
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