Since the human beings and the other creatures usually walk or run with a constant velocity, stride and gait frequency, there are some Micro-Doppler signatures on their spectrums.
人体或其他生命体通常按照一定的速度、步幅和步频走动或者跑动，因此其谱图呈现出微多普勒特性。
Answer: Your stride turnover, or stride frequency, is how many steps you take during a minute of running.
答：步频是您每跑一分钟所跨出的步数。
Two things determine running speed: stride length and stride frequency.
有2样东西决定您的速度：步长和步频。
The research team found that runners who simply shortened their strides (by increasing stride frequency by 5 to 10 percent) achieved many presumably positive changes in forces and motions.
研究小组发现跑步者只要缩短步伐(通过提高步频5 - 10%)，力量和运动可能发生许多正面的改变。
The research team found that runners who simply shortened their strides (by increasing stride frequency by 5 to 10 percent) achieved many presumably positive changes in forces and motions.
研究小组发现跑步者只要缩短步伐(通过提高步频5 - 10%)，力量和运动可能发生许多正面的改变。
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