Propagation Impact on Modern HF (High Frequency) Communications System Design
ADVISORY GROUP FOR AEROSPACE RESEARCH AND DEVELOPMENT NEUILLY-SUR-SEINE (FRANCE)
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Various technical aspects of satellite communications and the vulnerability of satellites from the military point of view has led to a reassessment of HF and a renewal of interest in this portion of the radio spectrum. Both civilian and military requirements will be explored. The state- of-the-art in microprocessors, synthesizers, modems and other equipment has led to the concept that HF communications can be adaptive using presently developed components. New aspects of system design and coding to meet the propagation problems will be explored. This Lecture Series, sponsored by the Electromagnetic Wave Propagation Panel of AGARD, has been implemented by the Consultant and Exchange Programme of AGARD. The material in this publication was assembled to support a Lecture Series under the sponsorship of the Electromagnetic Wave Propagation Panel and the Consultant and Exchange Programme of AGARD presented on 21-22 April 1986 in Brussels, Belgium, 24-25 April 1986 in Issy-les- Moulineaux, France and 28-29 April 1986 in Copenhagen, Denmark.
- Radiofrequency Wave Propagation
- Radio Communications