Found 4 document(s)
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By using the magnitude of piezoelectric crystal response to distortion and compression, this device measures transient accelerations and their rate of change. The invention could be used in a servo control system by supp...
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Earth-venus trajectories 1968-1969...
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Technique for controlling the acceleration vector along a powered flight trajectory using a linear perturbation method...
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Unmanned spacecraft guidance from earth based station - optimal control and orbit calculations...