In null steering apparatus a reference to spread spectrum signal

Details In null steering apparatus a reference to spread spectrum signal In null steering apparatus a reference to spread spectrum signal

1978-01-16

1979-05-29

Wilbur, Maynard R.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343854, H01Q 326

Patent

active

041568770

ABSTRACT:
A transmitter for transmitting a desired signal composed of a carrier modulated by a pseudorandom noise code and periodic bursts of data and a receiver including null steering apparatus wherein the desired signal is applied to a demodulator for removing the PN code, or collapsing the spectrum of the signal, and the collapsed signal is demodulated to provide the data and the carrier, after which the carrier is remodulated with the PN code to provide a reference signal between bursts of data for the null steering apparatus to form a lobe in the antenna pattern in the direction of reception of the desired signal.

REFERENCES:
patent: 4032922 (1977-06-01), Provencher
patent: 4079379 (1978-03-01), Piesinger

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