h> Cost learning curve data for components i. Efficient dc-dc high power transmission j. Efficient dc-dc long range power transmission The general objective of the Critical Technology Development Program is to provide the component, subsystem and system technology base required to properly implement the ground test program. 13.2 DETAILED GROUND TEST OBJECTIVES The ground demonstration is conceived as being implemented in three phases with objectives as stated in paragraph 13. 1. Detailed primary objectives are to demonstrate: Phase I - Primary a. Phase control steady state accuracy on a single axis basis subjected to combined effects of errors in control circuits, driver amplifiers, waveguide, phase reference circuits, instrumentation, and of algorithm approximations, atmospheric turbulence and rain. b. System transient responses in a single axis combining electronic and mechanical beam steering during start up, shut down, failure mode detection and recovery, and disturbances due to weather fronts and rain squalls. Phase II - Primary a. Phase control steady state accuracy in a single axis subject to error contributions of many dc-rf converters and of control circuits operating in a high power radio frequency environment. b. System transient responses in a single axis due to start up, shut down, and failure mode detection and recovery, including arcing, with many converters. c. Amplitude and spectra of transmitting array random noise and harmonic output with converters and associated filters.
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