Analytic signal

A function in blue and the magnitude of its analytic representation in red, showing the envelope effect.

In mathematics and signal processing, an analytic signal is a complex-valued function that has no negative frequency components. The real and imaginary parts of an analytic signal are real-valued functions related to each other by the Hilbert transform.

单词	Analytic representation
释义	Analytic representation 英语百科 Analytic signal In mathematics and signal processing, an analytic signal is a complex-valued function that has no negative frequency components. The real and imaginary parts of an analytic signal are real-valued functions related to each other by the Hilbert transform.
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Analytic representation

Analytic signal