Digital filter system with anomaly detection and indication

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36472401, G06F 738

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active

051503182

ABSTRACT:
A digital filter, and more particularly a digital filter such as a transversal filter is disclosed, which is comprised of digital filter modules and provided with a function to detect the occurrence of anomalies such as overflow (a state in which excessively large or small absolute values exceeding an allowable limit are produced during arithmetic operations).

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Landauro et al, "On Overflow Detection and Correction in Digital Filters", IEEE Trans. on Computers, vol. C-24, #12, pp. 1226-1228, Dec. 1975.
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"Inserting a Ghost-Canceler-Control Reference Signal in the Television Broadcast Signal", Nihkei Electronics, Sep. 9, 1987, vol. 432, pp. 213-225.

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