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WARNING INDICATOR TO ALERT AIRCRAFT PILOT TO PRESENCE AND BEARING OF OTHER AIRCRAFT
WARNING INDICATOR TO ALERT AIRCRAFT PILOT TO PRESENCE AND BEARING OF OTHER AIRCRAFT
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机译：警告指示器警告飞机驾驶员在场并承担其他飞机的责任
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摘要
A pilot warning indicator which operates in cooperation with the ATCRBS to produce an indication of the presence and bearing of other aircraft at substantially the same altitude as the equipped craft. A spiral-phase field antenna array together with a digital phase comparator utilizes transponder reply signals from other aircraft to ground interrogations to provide bearing indications. Amplitude comparisons are made between transponder reply signals received by omni-directional antennas mounted on the top and bottom of the aircraft fuselage to eliminate warnings of aircraft flying at substantially different altitude than equipped craft.
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