609a - configuration i - /2-3-5-6 unguided/ stability and control analysis of stages 1 and 2
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Laser frequency stabilization methods are based on a frequency discriminant which generates an unambiguous deviation signal used for automatic stabilization. Closed-loop control stabilizes cavity length at a null point. Some systems have a stabilized ring laser using a piezoelectric dither and others use a Doppler gain tube.
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Pointing and control subsystem for Apollo Telescope Mount
Low speed wind tunnel tests of straight wing and delta wing configuration space shuttle booster models
Development of methods for measuring and predicting behavior of rigid rotors with stiff blades at high advance ratios and low rotor speeds
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