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Feasibility study of a synthesis procedure for array feeds to improve radiation performance of large distorted reflector antennasThe following subject areas are covered: General Reflector Antenna Systems Program version 7(GRASP7); Multiple Reflector Analysis Program for Cylindrical Antennas (MRAPCA); Tri-Reflector 2D Synthesis Code (TRTDS); a geometrical optics and a physical optics synthesis techniques; beam scanning reflector, the type 2 and 6 reflectors, spherical reflector, and multiple reflector imaging systems; and radiometric array design.
Document ID
19910009016
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Stutzman, W. L. (Virginia Polytechnic Inst. and State Univ. Blacksburg, VA, United States)
Takamizawa, K. (Virginia Polytechnic Inst. and State Univ. Blacksburg, VA, United States)
Werntz, P. (Virginia Polytechnic Inst. and State Univ. Blacksburg, VA, United States)
Lapean, J. (Virginia Polytechnic Inst. and State Univ. Blacksburg, VA, United States)
Barts, R. (Virginia Polytechnic Inst. and State Univ. Blacksburg, VA, United States)
Date Acquired
September 6, 2013
Publication Date
February 1, 1991
Subject Category
Communications And Radar
Report/Patent Number
NASA-CR-187954
NAS 1.26:187954
Report Number: NASA-CR-187954
Report Number: NAS 1.26:187954
Accession Number
91N18329
Funding Number(s)
CONTRACT_GRANT: NAG1-859
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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