| 摘要 |
A panoramic warning system for helicopters, for the purpose of detecting obstacles and the proximity of the ground by using a plurality of radar sensors connected to the fuselage structure of the helicopter and which operate on varying wavelengths, the signals of which, representing range information, which are provided with an individual identifier, are compared in a central identification-and-evaluation unit with predetermined warning thresholds and after the assignment to corresponding scan sectors are caused to be displayed on at least one cockpit display.
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