A constant-fraction discriminator splits the input signal into two components, inverts one component and attenuates it, and delays the other component by a predetermined amount.

A constant-fraction discriminator splits the input signal into two components, inverts one component and attenuates it, ... Narrow time windows decreases the false positive rate, ...

Since the late 1990s, astronomers have known that not only is the universe expanding, but it is doing so at an accelerating rate. The cause of this so-called late-time acceleration has remained ...