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要对一个波形进行边沿捕获，脉宽时间。但是这个波形的高电平有振荡，下降沿也不是很陡。
我想请教，我在使用边沿捕获功能时，高电平阶段的振荡过冲或者下降，会不会被误捕获当做边沿？
我想知道，捕获功能的原理是什么？谢谢！
