Delay line

Delay line may refer to:

Propagation delay, the length of time taken for something to reach its destination
Analog delay line, used to delay a signal
Bi-directional delay line, a numerical analysis technique used in computer simulation for solving ordinary differential equations by converting them to hyperbolic equations
Digital delay line, a sequential logic element
Delay line memory, a form of computer memory used on some of the earliest digital computers

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