Identification and minimization of IIR tap coefficients for the cancellation of complex multipath in terrestrial television
Sherratt, R. S. (1996) Identification and minimization of IIR tap coefficients for the cancellation of complex multipath in terrestrial television. IEEE Transactions on Circuits and Systems for Video Technology, 6 (6). pp. 703-706. ISSN 1051-8215
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To link to this article DOI: 10.1109/76.544745
By using a deterministic approach, an exact form for the synchronous detected video signal under a ghosted condition is presented. Information regarding the phase quadrature-induced ghost component derived from the quadrature forming nature of the vestigial sideband (VSB) filter is obtained by crosscorrelating the detected video with the ghost cancel reference (GCR) signal. As a result, the minimum number of taps required to correctly remove all the ghost components is subsequently presented. The results are applied to both National Television System Committee (NTSC) and phase alternate line (PAL) television.
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