programmed trajectory造句

They developed automated gyroscope stabilization systems that allowed stable flight along a programmed trajectory.
The RP-76 was designed to fly a pre-programmed trajectory on autopilot, with radio command guidance being optional.
However, the service life of the missiles has expired, and engineers are no longer sure whether the missiles will accurately follow their programmed trajectory.
The ATK XM395 PGMM cartridge uses a standard M934 high-explosive 120 mm projectile body with a GPS receiver in the nose and computer controlled aerodynamic directional fins for stability and to keep it on the programmed trajectory.
During the first three seconds of the rocket s flight, the onboard computer detects the horizontal difference between the programmed trajectory and actual status of the rocket, and controls the rocket s stabilising thrust system to correct the rocket s flying direction.
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