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VSAT(Very Small Apesture Terminal)的中文译名有“甚小天线地球站”、“甚小口径终端”、“微型地球站”、“微型卫星数据站”等。它是天线小型化、微电子技术、扩频技术、高效话音编译码和大功率卫星等各种先进技术的产物。VSAT系统是由中枢站、卫星、VSAT站组成,图1示出VSAT系统框图。
VSAT (Very Small Apesture Terminal) Chinese translation of “very small antenna earth station”, “very small aperture terminal”, “micro earth station”, “micro satellite data station” and so on. It is the antenna miniaturization, microelectronics, spread spectrum technology, high-performance voice coding and high-power satellite and other advanced technology products. The VSAT system is composed of a hub station, a satellite, and a VSAT station. FIG. 1 shows a block diagram of a VSAT system.