Digitally controlled transversal equalizer
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United States of America Patent
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Oct 2, 1984
Grant Date -
N/A
app pub date -
Sep 13, 1982
filing date -
Sep 13, 1982
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An adaptive equalizer performs equalization at IF, demodulates the input signal and then generates the equalization coefficients at baseband from the demodulated data. Coefficient updating can be done on a non-real time basis and coefficients for individual bursts stored in a coefficient memory for retrieval when the same burst occurs in the next frame, thus obtaining a pseudo-continuous equalization for each burst. The error signal is derived from demodulated equalized data and correlated with demodulated unequalized data to generate the correlation coefficients, and individual error signals from each channel can be combined into a single composite error signal for correlation purposes.
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