| 1. | Design of high - frequency local source of very small aperture terminal
高频锁相环的可测性设计 |
| 2. | Vsat : very small aperture terminal
甚小口径天线地球站 |
| 3. | Very small aperture terminal
小型卫星地面站 |
| 4. | Vsat satellite earth stations receive - only very small aperture terminals used for data distribution operating in the 11 12 ghz frequency bands
卫星地球站工作在11 12ghz频带下用于数据分配的只接收甚小口径终端 |
| 5. | Satellite earth stations and systems - receive - only very small aperture terminals operating in the 11 12 ghz frequency bands ; english version ets 300157 : 1996
卫星地面站和系统.用11 12ghz频带工作只接受微型孔径 |
| 6. | Vsat ( very small aperture terminal ) is a hotspot in satellite communications arid has been widely used in communications , finance and enterprise network
Vsat ( verysmallapertureterminal )已成为卫星通信领域的热点，广泛的应用于通信、金融等行业。 |
| 7. | Since 1996 , six international global telemedicine conferences have been held by the university , the largest of all being the " moving with the sun 97 " conference which was the first 24 - hour telemedicine conference linking up 19 medical centres across the world . telemedicine links medical experts in different parts of the world together by using high speed multimedia network such as asynchronous transfer mode ( atm ) , very small aperture terminal ( vsat ) and virtual private network ( vpn ) as communication media in conjunction with compressed video conference technology
远程医疗是医疗技术与高科技相结合的典范，以高速多媒体电信网如异步传输模式( atm ) 、高速卫星专线( vsat )及组建虚拟专用网( vpn )作为通讯渠道，并配合先进视像压缩技术与世界联网，使身处不同地方的医学专家可以面对面进行各种医疗活动，打破时间和空间的限制，为救死扶伤开创了另一新途径。 |
| 8. | Electromagnetic compatibility and radio spectrum matters - electromagnetic compatibility standard for radio equipment and services - part 12 : specific conditions for very small aperture terminal , satellite interactive earth stations operated in the frequency ranges between 4 ghz and 30 ghz in the fixed satellite service v1 . 2 . 1
电磁兼容性和无线电频谱情况.无线电设备和服务的电磁兼容性标准.第12部分:固定卫星服务中工作在4 ghz到30 ghz频带的卫星地面站微小孔径端的具体条件 |
| 9. | Through some research in depth on soct , this thesis proposes a scheme of star - type vsat ( very small aperture terminal ) network based on overlap back transmission , and do some research on key techniques involved with the scheme and their partial realization with fpga ( field programmable gate array ) , such as spread spectrum techniques , a non - coherent de - spreading spectrum and demodulation technique and adaptive interference cancel
本文在深入研究卫星重叠通信技术的基础上，提出了一种基于重叠回传的星形vsat网方案。并在卫星重叠通信涉及的几种关键技术及其部分核心器件的fpga实现等方面进行了一些研究，包括：扩频技术、非相干解扩解调技术、自适应干扰抵消技术等，并将它们用于基于重叠回传的星形vsat网方案。 |
