The phrase "a certain window of time" is correct and usable in written English.
It can be used to refer to a specific period during which something occurs or is expected to occur.
Example: "We need to complete the project within a certain window of time to meet the client's deadline."
Alternatives: "a specific timeframe" or "a designated period."
The CRA allows Congress to simply overrule the actions of a federal agency within a certain window of time.
"There is only a certain window of time before the international community truly weighs in," he said.
And there was that drug that if administered within a certain window of time could protect him from the worst.
As the Royal Court's executive director Lucy Davies explains: "We get participation in future royalties, but only when the writer has reached a certain threshold within a certain window of time.
Legislators in more than a dozen states have introduced bills that would make it a felony for a parent to not report the death or disappearance of a child within a certain window of time.
He added that he wished the law "included a provision that said you have a certain window of time to use your patent, and if you don't, you lose it".
Give yourself certain windows of time that you need to be productive in, rather than open-ended periods of time that get squandered due to social media or some other distraction.
Thus, linear models can serve as very effective approximations of behavior of non-linear models in certain windows of time: in this way, non-linear behavior can be approximated as a sequence of linear dynamics, followed one each other in a sequence of "phase transitions".
CSI-ANN feeds a linear combination of histone modifications information at a certain window to a time-delay neural network in order to predict enhancers.
"We didn't completely just aim for a certain window, so for it to happen during this period of time, we got lucky," Federer said of the twins' arrival date.
The original theory put forth by Braitenberg and Roger Atwood in 1958 proposed that slow propagation of signals along parallel fibers imposes predictable delays that allow the cerebellum to detect time relationships within a certain window.
