1分开 发表于 2025-3-26 23:07:58

http://reply.papertrans.cn/87/8610/860944/860944_31.png

ODIUM 发表于 2025-3-27 02:34:34

http://reply.papertrans.cn/87/8610/860944/860944_32.png

Ventricle 发表于 2025-3-27 07:27:16

Future Regional Satellite Systems: The Case of the Caribbeannted in the reference section that follows. There are, however, various plans for new regional satellite projects that deserve attention. The major initiatives at this point involve the Caribbean (Carisat), the Andean countries of South America (Project Candar, which will start on Intelsat capacity)

可能性 发表于 2025-3-27 09:46:08

Communications Satellite Servicestion system are all interesting and desirable developments, but the end user has only a few very basic concerns. Will the satellite work and reliably so? Will the capacity needed to provide the service be available on time? Will the satellite

使显得不重要 发表于 2025-3-27 15:50:08

Video and Audio Conferencing Networksd tremendous impact on the corporate world, government and the public service sector. For many organizations the changes call for new services, new products and better ways of delivering services. Teleconferencing is one of those services. Both private business and the public service sector is incre

exceed 发表于 2025-3-27 18:48:20

http://reply.papertrans.cn/87/8610/860944/860944_36.png

埋伏 发表于 2025-3-28 01:20:36

The ‘Other’ Applications Satellitespoint provided by satellites in Earth orbit was immensely valuable for other practical purposes in addition to acting as a communication relay. Of course, the Earth can be seen very well from space, but the potential value of this new tool was not recognized until after the images taken by the astro

dominant 发表于 2025-3-28 05:03:25

Satellites For the Twenty-First Centuryes from the 16th century until today. It is anticipated that in the 21st century man will establish a permanent colony on the Moon, travel to other planets, and begin to inhabit and exploit the ocean in new and important ways. We may even start to transform the basic architecture of our planet, or m

不适 发表于 2025-3-28 07:34:15

http://reply.papertrans.cn/87/8610/860944/860944_39.png

Gratuitous 发表于 2025-3-28 12:34:00

The European Telecommunications Satellite Organizations and to enable the European aerospace industry to develop a full range of technologies so that it may compete in the world market. Therefore, it is essential that Eutelsat be as economically efficient as possible in order to provide a financial advantage over the terrestrial network.
页: 1 2 3 [4] 5 6 7
查看完整版本: Titlebook: Satellites International Handbook; Joseph N. Pelton,John Howkins Textbook 1987Latest edition Macmillan Publishers Limited 1987 aerospace e