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O que (quem) é guard against - definição
TELECOMMUNICATIONS DELAY
Guard period; Guard Interval; Guard bits; Guard symbols
guard against
take precautions against.
guard against
If you guard against something, you are careful to prevent it from happening, or to avoid being affected by it.
The armed forces were on high alert to guard against any retaliation.
PHRASAL VERB: V P n
Guard (computer science)
BOOLEAN EXPRESSION EVALUATED TO DETERMINE IF A BRANCH OF A COMPUTER PROGRAM SHOULD CONTINUE TO BE EXECUTED
Guard statement; Pattern guard; Guard statements; Guard (computing); Guard clause; Guard pattern
In computer programming, a guard is a boolean expression that must evaluate to true if the program execution is to continue in the branch in question.
Wikipédia
Guard interval
In telecommunications, guard intervals are used to ensure that distinct transmissions do not interfere with one another, or otherwise cause overlapping transmissions. These transmissions may belong to different users (as in TDMA) or to the same user (as in OFDM).
The purpose of the guard interval is to introduce immunity to propagation delays, echoes and reflections, to which digital data is normally very sensitive.
Exemplos do corpo de texto para guard against
1. They, alone, stand guard against its disappearance.
2. "We don‘t need to guard against anything," he said.
3. Journalists should be on their intellectual guard against herd mentality.
4. How are they going to guard against corruption?" King said.
5. He says he cannot guard against what happens next.