| 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. | 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 |
| 8. | 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。 |