Matched filter

Details Matched filter Matched filter

1996-09-17

1998-04-07

Chin, Stephen

Pulse or digital communications

Receivers

Particular pulse demodulator or detector

375200, H03D 100

Patent

active

057373680

ABSTRACT:
A matched filter contains a plurality of auxiliary sampling and holding circuits in addition to a main sampling and holding circuit containing multiple unit sampling and holding circuits. An auxiliary sampling and holding circuit is used to hold an input voltage, which would ordinarily be held by a unit sampling and holding circuit, when the unit sampling and holding circuit is being refreshed. By holding a part of the analog input voltage in the auxiliary sampling and holding circuits, refreshing is performed without decreasing the overall calculation speed.

REFERENCES:
patent: 4507746 (1985-03-01), Fletcher, Jr.
patent: 5408192 (1995-04-01), Bailey
G. J. R. Povey and P.M. Grant; "Simplified Matched Filter Receiver Designs for Spread Spectrum Communications Applications; Electronics and Communication Engineering Journal, vol. 5, No. 2; (Apr. 5, 1993); pp. 59-64.

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