H - Electricity – 04 – L
Patent
H - Electricity
04
L
354/67, 379/67,
H04L 25/03 (2006.01) H03M 13/00 (2006.01)
Patent
CA 1321273
ABSTRACT OF THE DISCLOSURE A circuit arrangement for the regeneration of digital signals received in analog form. The circuit arrangement is used in a digital signal receiving system (EE) for the regeneration of digital signals received in analog form through an analog/digital converter (A/D), which have been distorted by preoscillators and postoscillators of subsequent or previously transmitted digital signals. In this case, the circuit arrangement includes a postoscillator-regenerator (NEZ) and a preoscillator-regenerator (VEZ) connected with it that is designed as a transverse filter and multiplies a digital signal received at a sampling interval n by a main coefficient and, in addition, a predetermined number of digital signals immediately following the digital signal in question in each case by a predetermined secondary coefficient and sums that resulting product signal, with the aid of an adder, to a sum signal. In addition, the secondary coefficient immediately preceding the main coefficient is weighted with a predetermined factor and multiplied with a digital signal occurring at the scanning time n-1. A total sum signal is then formed, with the aid of the adder, from the resulting product signal and the first sum signal.
613755
Aktiengesellschaft Siemens
Fetherstonhaugh & Co.
Schenk Heinrich
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