2.3 Linear Time-Variant Filtering of GACS Processes

Let img and img be jointly GACS processes, that is (Definition 2.2.10)

(2.109) equation

where img, and let img and img be LTV filtered versions of img and img, respectively, obtained by systems with impulse response functions img and img.

Under assumption (2.47), substituting (2.109) into ((2.46)) leads to

(2.110) equation

Let and be LAPTV systems, that is, according to (1.107), with impulse-response ...

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