Carrier transmission through harmonic polluted medium

Details Carrier transmission through harmonic polluted medium Carrier transmission through harmonic polluted medium

1979-03-19

1981-11-24

Safourek, Benedict V.

Pulse or digital communications

Repeaters

Testing

370 69, 340310A, 455 50, H04J 112, H04B 1500

Patent

active

043028446

ABSTRACT:
A carrier signal modulated with digital data is transmitted through a medium polluted with harmonic signals by asymmetrically positioning the carrier signal frequency between two adjacent harmonics and employing a baud rate for the data so that the (sin x)/x spectral density nulls of the modulated carrier signal in the frequency domain coincide with the two adjacent harmonics, thus affording efficacious discrimination against the harmonics in the receiver detector which has a matching frequency response.

REFERENCES:
patent: 2401618 (1946-06-01), Crosby
patent: 2579882 (1951-12-01), Thompson
patent: 3084223 (1963-04-01), Marcatili et al.
patent: 3084327 (1963-04-01), Cutler
patent: 3368036 (1968-02-01), Carter et al.
patent: 4040046 (1977-08-01), Long et al.
patent: 4101834 (1978-07-01), Stutt et al.

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