SYSTEM FOR DETERMINING SLANT DISTANCE TO AN AIRCRAFT BY USING AN IMPROVED TIME-FREQUENCY MEASUREMENT METHOD
The proposed system for determining slant distance to an aircraft by using an improved time-frequency measurement method contains a laser with a pumping source, a laser radiation longitudinal mode discriminator, optical transmitting and receiving elements, a photodetector, resonance amplifiers, a si...
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Zusammenfassung: | The proposed system for determining slant distance to an aircraft by using an improved time-frequency measurement method contains a laser with a pumping source, a laser radiation longitudinal mode discriminator, optical transmitting and receiving elements, a photodetector, resonance amplifiers, a signal amplitude comparator, error signal amplifiers, drives for aircraft azimuth and elevation tracking. Additionally, the proposed system contains a prism for isolating intermode beats, an intermediate prism, and optical deflectors with a deflector control unit. |
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