terrain-avoidance radar

[tə′rān ə¦vȯid·əns ′rā‚där] (navigation) Airborne radar which provides a display of terrain ahead of a low-flying aircraft to permit horizontal avoidance of obstacles.

terrain-avoidance radar

The target spot represents the path with the aircraft should be following to clear the ground ahead by the required amount and the aiming mark is its present path. These representations are enlargements of head-up displays.A special radar that permits aircraft to be flown safely at a preset clearance level. A normal PPI (plan position indicator) radar enables the terrain to be avoided in azimuth rather than in elevation. A specialist terrain avoidance radar, on the other hand, only displays terrain that penetrates above a preset clearance level.

单词	terrain-avoidance radar
释义	terrain-avoidance radar terrain-avoidance radar [tə′rān ə¦vȯid·əns ′rā‚där] (navigation) Airborne radar which provides a display of terrain ahead of a low-flying aircraft to permit horizontal avoidance of obstacles. terrain-avoidance radar The target spot represents the path with the aircraft should be following to clear the ground ahead by the required amount and the aiming mark is its present path. These representations are enlargements of head-up displays.A special radar that permits aircraft to be flown safely at a preset clearance level. A normal PPI (plan position indicator) radar enables the terrain to be avoided in azimuth rather than in elevation. A specialist terrain avoidance radar, on the other hand, only displays terrain that penetrates above a preset clearance level.
随便看	lengyel culture lengyel, jozsef lengyel, józsef lenhardt airpark, hubbard, oregon lenhossek lenhossek, michael von lenhossek, mihaly von lenhossek processes lenhossék’s processes len hutton leni leniant lenience leniences leniencies leniency lenient lenient evaluation leniently lenier dermatitis lenier, karl lenify len i konoplia leni lenape leniment