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Microradianlevel inertial lineofsight stabilization systems with wideanglesearch capability
Fiber optic rotation sensor for longlifetime space missions 169603
Image rotation in planemirror optical systems 169604
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algorithm alignment analysis angle arctan ASCIE axis bandwidth base motion beam calculated closed loop compensator components computed configuration coordinates damping defined degrees of freedom derotation prism detector dynamics element equation estimator exit pupil feedback FMMT focal plane forward body frequency response gimbal global gyro homotopy image rotation implemented inertial initialization input integrated interferometer iterations laser linear bearing linear motor Magnetic maintenance controller matrix measurement method minimize modal mode filter mode shapes noise optical fiber optical system optical truss optimization output panel parameters perturbations phase shift photodetector platen point spread function position primary mirror reduced-order reference frame reflector residual mode filter rms wavefront error secondary mirror segment sensor serrodyne servo shown in Figure signal simulated annealing space spacecraft spillover mode stability stator Strehl ratio structural mode surface Technology telescope temperature thermal torque transfer function vector