Matched filter communication systems

Details Matched filter communication systems Matched filter communication systems

1961-06-23

1976-02-03

Wilbur, Maynard R.

Telegraphy

Systems

Printing

178 22, 179 15S, 179 1555R, 325 32, 325 65, G01R 3312

Patent

active

039367495

ABSTRACT:
In a wideband matched filter communication system for transmitting digital nformation identified by initial sharp pulses from a transmitter thru a communication channel to a receiver, a filter network comprising a multiplicity of filter sections of differing phase-frequency characteristics all in series, the overall characteristic of the entire multiplicity of sections being linear, said sections being distributed between a group at said transmitter and another group at said receiver, the overall characteristics of the sections in each group being non-linear, whereby the various frequency components of the initial sharp pulse are differently delayed in the transmitter group to decrease the amplitude of the pulse signal by spreading its energy over a substantial time period and also differently delayed in the receiver group, but in a complementary manner, to restore the pulse in the receiver at a predetermined time delay due to the operation of the filter.

REFERENCES:
patent: 1542566 (1925-06-01), Mathes
patent: 2405991 (1946-08-01), Beverage et al.
patent: 2632057 (1953-03-01), Koenig
patent: 2982852 (1961-05-01), Fano

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