Series and optical feed systems for satellite-borne electronically steerable antenna syste
NASA is continuing to pursue an agressive satellite communications technology development program fo...
Contains reports on three research projects.National Aeronautics and Space Administration (Grants No...
Frequency stability, transistor amplifier, power supply, and millimeter wave studied and improved fo...
Feed systems, antenna couplers and quasi-optical power distribution system for electronically steera...
Far field patterns, element design, and feed systems for electronically steerable antenna system
A large multi-function antenna aperture and related components are described which will perform elec...
A tradeoff study for 60 GHz antenna systems applicable to an advanced Tracking and Data Acquisition ...
Engineering model of high gain self steering microwave transponder and application to satellite comm...
A detailed preliminary design and complete performance evaluation are presented of an 11-channel lar...
Phase stability of very low frequency radio signal propagation, electronically scanned tracking ante...
The design, fabrication, and performance of a parabolic, ground receiving antenna system with a feed...
The practicability of a multi-frequency antenna for spaceborne microwave radiometers was considered ...
A study of microwave power generation, transmission, reception and control was conducted as a part o...
The feasibility of operating a five frequency feed as a radiometer for use on board a Nimbus type sa...
Time dependent variation in sky emission, sky temperature variations with zenith distance, lunar lin...
NASA is continuing to pursue an agressive satellite communications technology development program fo...
Contains reports on three research projects.National Aeronautics and Space Administration (Grants No...
Frequency stability, transistor amplifier, power supply, and millimeter wave studied and improved fo...
Feed systems, antenna couplers and quasi-optical power distribution system for electronically steera...
Far field patterns, element design, and feed systems for electronically steerable antenna system
A large multi-function antenna aperture and related components are described which will perform elec...
A tradeoff study for 60 GHz antenna systems applicable to an advanced Tracking and Data Acquisition ...
Engineering model of high gain self steering microwave transponder and application to satellite comm...
A detailed preliminary design and complete performance evaluation are presented of an 11-channel lar...
Phase stability of very low frequency radio signal propagation, electronically scanned tracking ante...
The design, fabrication, and performance of a parabolic, ground receiving antenna system with a feed...
The practicability of a multi-frequency antenna for spaceborne microwave radiometers was considered ...
A study of microwave power generation, transmission, reception and control was conducted as a part o...
The feasibility of operating a five frequency feed as a radiometer for use on board a Nimbus type sa...
Time dependent variation in sky emission, sky temperature variations with zenith distance, lunar lin...
NASA is continuing to pursue an agressive satellite communications technology development program fo...
Contains reports on three research projects.National Aeronautics and Space Administration (Grants No...
Frequency stability, transistor amplifier, power supply, and millimeter wave studied and improved fo...