GroupDelay Function

Returns the group delay of the argument. Group delay is defined as:

$$\frac{d}{dx}\left(\text{phase}\left(y\right)\right)\cdot \frac{1}{2\pi}$$

where $y$ is the supplied vector and $x$ is its reference. The GroupDelay function expects the result of an AC analysis where $y$ is a voltage or current and its reference is frequency.

This function will yield an error if its argument is complex and has no reference.

Arguments

Number	Type	Compulsory	Default	Description
1	real/complex array	Yes		Vector

Returns

Return type: real array

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