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Estimate instantaneous frequency

specifies additional options for any of the previous syntaxes using name-value
pair arguments. You can specify the algorithm used to estimate the instantaneous
frequency or the frequency limits used in the computation.`ifq`

= instfreq(___,`Name,Value`

)

`instfreq(___)`

with no output arguments plots
the estimated instantaneous frequency.

[1] Boashash, Boualem. "Estimating
and Interpreting The Instantaneous Frequency of a Signal—Part 1: Fundamentals."
*Proceedings of the IEEE ^{®}*. Vol. 80, April 1992, pp. 520–538.

[2] Boashash, Boualem. "Estimating
and Interpreting The Instantaneous Frequency of a Signal—Part 2: Algorithms and
Applications." *Proceedings of the IEEE*. Vol. 80, April 1992, pp. 540–568.