| タイトル | Satellite communications systems and technology. Volume 1: Analytical chapters |
| 著者（英） | Mahle, Christoph E.; Chan, Vincent W. S.; Bostian, Charles W.; Edelson, Burton I.; Kwan, Robert K.; Helm, Neil R.; Hager, E. Paul; Jennings, Raymond D.; Brandon, William T.; Pelton, Joseph N. |
| 著者所属（英） | Loyola Coll. |
| 発行日 | 1993-07-01 |
| 言語 | eng |
| 内容記述 | This is Volume 1 (Analytical Chapters) of the final report of the NASA/NSF Panel Satellite Communications Systems and Technology. The panel surveyed advanced technology being developed for commercial use in the satellite communications field in Europe, Japan, and Russia. All aspects of satellite communications were considered, including fixed, broadcast, mobile, personal communications, navigation, low earth orbit, and small satellites. The focus was on experimental and advanced technology being developed in R&D and demonstration programs rather than on today's production capabilities. Focus was on commercial satellite technology, and does not review defense-related or other confidential satellite communications capabilities. The NASA/NSF panel concluded that the United States has lost its leading position in many critical satellite communications technologies. Although U.S. industry retains a leading position in today's marketplace for satellite communications systems and services, this position is largely founded on technologies and capabilities developed in the 1960's and 1970's. Because the United States is losing ground with respect to a wide range of technologies and systems that will be key to future communications markets, the market share of the U.S. satellite communications industry is at risk. |
| NASA分類 | COMMUNICATIONS AND RADAR |
| レポートNO | 94N23627
PB93-209815
NAS 1.15:109398
NASA-TM-109398 |
| 権利 | Copyright, Distribution as joint owner in the copyright |
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