1. Report No. NASA CR-135194 2. Government Accession No. 3. Recipient's Catalog No. 4. Title and Subtitle Electronic and Mechanical Improvement of the Receiving Terminal of a Free-Space Microwave Power Transmission System 5. Report Date August 1, 1977 6. Performing Organization Code 7. Author(s) William C. Brown 8. Performing Organization Report No. PT-4964 10. Work Unit No. 11. Contract or Grant No. NAS3- 19722 13. Type of Report and Period Covered Contractor Report 14. Sponsoring Agency Code 9. Performing Organization Name and Address Raytheon Company, Equipment Division and Microwave and Power Tube Division 430 Boston Post Road, Wayland, Mass. 01778 12. Sponsoring Agency Name and Address National Aeronautics and Space Administration Washington, D. C. 20546 15. Supplementary Notes Program Managers: Ira T. Myers and Stanley Domitz, Power Devices Section, NASA Lewis Research Center, Cleveland, Ohio 44135 16. Abstract Significant advancements were made in a number of areas: improved efficiency of basic receiving element at low power density levels ; improved resolution and confidence in efficiency measurements; mathematical modelling and computer simulation of the receiving element; and the design, construction, and testing of an environmentally protected two-plane construction suitable for low-cost, highly automated construction of large receiving arrays. 17. Key Words (Suggested by Author(s)) Rectenna Solar Power Satellite Microwave Power Microwave Transmission 18. Distribution Statement Unclassified - unlimited 19. Security Classif. (of this report) Unclassified 20. Security Classif. (of this page) Unclassified 21. No. of Pages 22. Price* 158 For sale by the National Technical Information Service, Springfield, Virginia 22151
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