Communications: directive radio wave systems and devices (e.g. – Testing or calibrating of radar system – By monitoring
Patent
1995-11-22
1997-11-18
Sotomayor, John B.
Communications: directive radio wave systems and devices (e.g.,
Testing or calibrating of radar system
By monitoring
342198, 342 26, G01S 740
Patent
active
056892675
ABSTRACT:
An aircraft mounted pulse radar unit transmits a low-energy, test output pulse and processes the resulting test return signal to determine the VSWR and whether the VSWR exceeds a predetermined threshold. If the VSWR exceeds the threshold, the unit prevents transmission of a nominal energy output pulse which might result in damage to the receiver due to an excessive energy level of the return signal. In one embodiment, the unit uses the VSWR to determine and enable output signals at reduced power levels such that energy levels of any return signals would be insufficient to damage the receiver.
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Patent Abstracts of Japan, vol. 017, No. 481 (p. 1604), Aug. 31, 1993-JP 05 119149 A (Matsushita Electric Works Ltd.), Patent Date: May 18, 1993.
Cope Warren Bruce
Roos Mark G.
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