Title

An inverse signal approach to computing the envelope of a real valued signal

Document Type

Article

Date of Original Version

12-1-1998

Abstract

We address the problem of estimating the envelope of a real-valued signal, s(t), that is observed for a duration of T seconds. We model s(t) using a Fourier series, by considering periodic extensions of the signal. By using an analog of the autocorrelation method of linear prediction on the Fourier coefficients of s(t), the envelope of the signal is estimated without explicitly computing the analytic signal.

Publication Title

IEEE Signal Processing Letters

Volume

5

Issue

10

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