慢度，和速度相对，是速度的倒数。慢度是地震信号的关键参数之一，在地震信号的识别、震相的关联和地震定位等多个方面都起关键性作用。
这三种频率域处理方法提取得到了合理的、一致的慢度结果。
These frequency domain processing methods yield reasonable and consistent slowness estimations.
用全波列记录，不仅可以确定首波的慢度，也可以确定后续波的慢度。
With full-waveform recording, it is possible to determine the slowness not only of the first arrival but also of later arrivals.
为多模式波在时域和频域混叠时提供了另外一种有效的慢度提取方法。
It is effective method of extracting slowness when multiple waves overlap in time and frequency domain.
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