Communications: directive radio wave systems and devices (e.g. – Return signal controls external device – Proximity fuze
Patent
1992-12-11
1995-02-07
Barron, Jr., Gilberto
Communications: directive radio wave systems and devices (e.g.,
Return signal controls external device
Proximity fuze
342 85, 342122, G01S 1334, F42C 1304
Patent
active
053879171
ABSTRACT:
A method and apparatus for determining an altitude for a radar fuze. The method includes the steps of receiving a return signal and transmitting a transmitted signal. The return signal and the transmitted signal are mixed and a mixed signal representing an altitude is responsively generated therefrom. The mixed signal is amplified to generate an amplified signal. The amplified signal is filtered to generate a filtered signal which is envelope detected to provide a detected signal responsive to the filtered signal. The detected signal is integrated responsively to the detected signal. The integrated signal level is compared against a track threshold reference signal and a track
o-track comparator signal is provided responsively to the integrated signal level and the track threshold reference signal. System timing is controlled by generating a plurality of control signals responsive to the track
o-track comparator signal and proportional to an altitude. A modulation signal responsive to the plurality of control signals is provided wherein the modulation signal is representative of an altimeter range as determined by the plurality of control signals. The transmitted signal is generated responsively to the modulation signal.
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Hager James R.
Haubrich Gregory J.
Barron Jr. Gilberto
Honeywell Inc.
Lervick Craig
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