Communications: directive radio wave systems and devices (e.g. – Return signal controls radar system – Transmitter
Patent
1988-06-09
1999-04-27
Barron, Jr., Gilberto
Communications: directive radio wave systems and devices (e.g.,
Return signal controls radar system
Transmitter
342120, 342145, G01S 1332
Patent
active
058984011
ABSTRACT:
A continuous wave radar altimeter comprises a pulsed power control (4), operable when the signal-to-noise ratio of the received signal is likely to be too low, to pulse the transmitted power so that the power varies between a non-zero base level and a higher level. The receiver channel (13, 14) is switched off during each transmitted pulse.
REFERENCES:
patent: 2991467 (1961-07-01), Clarke
patent: 3611370 (1971-10-01), Frasure et al.
patent: 4357610 (1982-11-01), Kingston et al.
Barron Jr. Gilberto
GEC--Marconi Limited
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