English Dictionary

alias

/ˈeɪ.li.əs/

verb

(computing) To assign an additional name to an entity, often a more user-friendly one. / (signal processing, of two signals) to become indistinguishable

He decided to alias his real name.

意味（1）

(computing) To assign an additional name to an entity, often a more user-friendly one.

意味（2）

(signal processing, of two signals) to become indistinguishable

When the signal frequency reaches half the sampling frequency, there are only two samples per cycle, which is the absolute minimum needed to record a waveform. A higher frequency would cause the digitization system to alias.