Rise time

（重定向自Transition time）

In electronics, when describing a voltage or current step function, rise time is the time taken by a signal to change from a specified low value to a specified high value. These values may be expressed as ratios or, equivalently, as percentages respect to a given reference value. In analog or digital electronics, these percentages are commonly the 10% and 90% (or equivalently $0.1$ and $0.9$ ) of the output step height: however, other values are commonly used. For applications in control theory, according to Levine (1996, p. 158), rise time is defined as "the time required for the response to rise from $x%$ to $y%$ of its final value", with 0% to 100% rise time common for underdamped second order systems, 5% to 95% for critically damped and 10% to 90% for overdamped ones. According to Orwiler (1969, p. 22), the term "rise time" applies to either positive or negative step response, even if a displayed negative excursion is popularly termed fall time.

单词	Transition time
释义	Transition time 原声例句 PBS地球-动物趣闻 Taking advantage of these new marine habitats, turtles may have transitioned from land to sea multiple times in different parts of the world. 利用这些新的海洋栖息地，海龟可能在世界不同地区多次从陆地过渡到海洋。陪你入睡 But for most people — and this includes myself — it does take a little transition time, a easing into bedtime or a slow lowering of the volume on the day. 但对于大多数人来说——包括我自己——确实需要一点过渡时间，放松入睡时间或缓慢降低当天的音量。英语百科 Rise time （重定向自Transition time） In electronics, when describing a voltage or current step function, rise time is the time taken by a signal to change from a specified low value to a specified high value. These values may be expressed as ratios or, equivalently, as percentages respect to a given reference value. In analog or digital electronics, these percentages are commonly the 10% and 90% (or equivalently $0.1$ and $0.9$ ) of the output step height: however, other values are commonly used. For applications in control theory, according to Levine (1996, p. 158), rise time is defined as "the time required for the response to rise from $x%$ to $y%$ of its final value", with 0% to 100% rise time common for underdamped second order systems, 5% to 95% for critically damped and 10% to 90% for overdamped ones. According to Orwiler (1969, p. 22), the term "rise time" applies to either positive or negative step response, even if a displayed negative excursion is popularly termed fall time.
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