Coherence Time (communications Systems)

Coherence Time (communications Systems)

In communications systems, a communication channel may change with time. Coherence time is the time duration over which the channel impulse response is considered to be not varying. Such channel variation is much more significant in wireless communications systems, due to Doppler effects.

Read more about Coherence Time (communications Systems):  Simple Model, Relation With Doppler Frequency

Famous quotes containing the words coherence and/or time:

    Twentieth-century art may start with nothing, but it flourishes by virtue of its belief in itself, in the possibility of control over what seems essentially uncontrollable, in the coherence of the inchoate, and in its ability to create its own values.
    A. Alvarez (b. 1929)

    Nothing ever prepares a couple for having a baby, especially the first one. And even baby number two or three, the surprises and challenges, the cosmic curve balls, keep on coming. We can’t believe how much children change everything—the time we rise and the time we go to bed; the way we fight and the way we get along. Even when, and if, we make love.
    Susan Lapinski (20th century)