SLIDE 2 BEAMED RF POWER TECHNOLOGY CURRENT ACTIVITIES 1. DESIGNING, FABRICATING & ASSEMBLING AN 8-ELEMENT ACTIVE RETRODIRECTIVE ARRAY (ARA) MODEL & INSTRUMENTATION FOR VERIFICATION TESTING OF BEAM FORMING AND POINTING ACCURACY 2. MEASURING PERFORMANCE CHARACTER I STI CS OF de TO RF CONVERTERS 3. RECORDING RADIATED HARMONICS OF RECTENNAS AND SLOTTED WAVEGUIDE ANTENNAS PLANNED ACTIVITIES 1. CONDUCT EXTENSIVE ARA PERFORMANCE MEASUREMENTS 2. RECORD ARA HARMONIC PATTERN DISTRIBUTIONS 3. INVESTIGATE TECHNIQUES FOR REDUCING ARRAY HARMONIC LEVELS THE CURRENT AND PLANNED ACTIVITIES ARE LISTED FOR THE BEAMED RF POWER TECHNOLOGY TASK AT J PL. SUBSEQUENT VIEWGRAPHS WILL PRESENT PRELIMINARY MEASUREMENT RESULTS IN SELECTED TECHNOLOGY AREAS. WHILE THE RESULTS ARE NOT IDENTICAL TO EXPECTED FLIGHT HARDWARE OR GROUND EQUIPMENT, THEY ARE FELT TO BE REPRESENTATIVE OF THE VERY COMPLEX AND, IN SOME CASES, ALMOST INCALCULABLE RESULTS OF HARMONIC PERFORMANCE AND, AS SUCH, SHOULD BE OF VALUE TO DESIGNERS AND ANALYST. A JPL TECHNICAL REPORT IS BEING PREPARED ON THE NOISE AND HARMONIC DATA. A SEPARATE, LATER REPORT WILL DEAL WITH THE ARRAY BEAM POINTING.
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