... frequency sounding 频率测深 frequency span 频带宽度 frequency spectrum designation 频段名称 ...
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Minimum Span Frequency Assignment Problem 最小跨度频率指配问题
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Wavelet packets with the advantage of time frequency zoom is used in this paper to decompose the post fault transient electrical quantities by the proper frequency span.
应用在时频空间皆具有良好聚焦特性的小波包，以适当频率带宽，对故障后暂态电气量进行分解。
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