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DESCRIPTION OF THE ADVANCED VIP SYSTEM
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advanced VIP system approach taken attitude error attitude measurement Attitude Unit Delay basic gyro stabilization cathode ray tube charge coupled device continuous filter covariance CRT display deadband Delayed Attitude Unit developed DISC analysis discrete filter dynamic response electronics error performance field of view filter analysis filter design filter dynamics filter gains filter models filter noise performance filter update guide star pairs gyro drift gyro filter gyro rate noise gyro stabilized gimbal interpolation joystick commands joystick response Kalman filter LL'O matrix multi-star processing noise response number of guide Option PARAM pitch or yaw pointing error signals pointing position pole location Qd/R SAMPLE AND HOLD selection sensor noise sensor's microprocessor simulation six filters star field star position measurements system performance telescope telescope pointing TERQUE three-axis pointing error TVgj TVIP TVSI two-unit delays unit time delays vector basis video sensor integration VIP control yaw attitude