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Delay calculation. Delay calculation is the term used in integrated circuit design for the calculation of the gate delay of a single logic gate and the wires attached to it. By contrast, static timing analysis computes the delays of entire paths, using delay calculation to determine the delay of each gate and wire.
The group delay response of a filter is a measure of the average delay of the filter as a function of frequency. It is the negative first derivative of the phase response of the filter.If the frequency response of a filter is H (e), then the group delay is. where Î¸ (Ï) is the phase, or argument, of H (e).he evaluation points on the unit circle are returned in w. [gd,w] = grpdelay(b,a,n) returns the group delay response of the discrete-time filter evaluated at n equally spaced points on the unit circle in the interval [0, Ï). n is a positive integer. For best results, set n to a value greater than the filter order.