obsidian-notes/射频/名词解释/MTBF_MTTR.md

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2024-04-15 03:19:57 +00:00
---
title: MTBF/MTTR
updated: 2022-01-13 09:07:46Z
created: 2022-01-13 02:53:06Z
---
# MTBF
Mean Time Between failures,
if
$$f(t)={\lambda}e^{-\lambda t}$$
then
$$MTBF=\int_0^{\infty}R(t)dt=\int_0^{\infty}tf(t)dt={1 \over \lambda}$$
# MTTR
Mean Time To Reapair/Recovery/Restore,