The next generation mobile communication 4g called will support very high data transmission rate. It's necessary to introduce technology with high frequency utilization in limited frequency spectrum.

未来的新一代移动通信系统4g需要提供极高的数据速率，在有限的频谱下提供尽可能高的传输速率，这就需要采用高频谱利用率技术。

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Great efforts have been contributed to satisfy the critical demands of high communication quality and data transfer rate in military communication equipment and system by various former researchers.

为了打好信息战、电子战，满足军用通信对通信质量和数据传输速率越来越严格的要求，大量科研工作者做出了巨大的努力。

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Multi-Code technique is widely used in the third generation mobile communication systems, and flexibly provides high-rate packet data services for users.

多码道技术广泛地应用于第三代移动通信系统，灵活地为用户提供高速分组数据业务。

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The "Mona Lisa" experiment was transmitted at a slow data rate of about 300 bits per second, but the "pathfinding achievement sets the stage for ... high data rate laser-communication demonstrations that will be a central feature of NASA's next moon mission, the Lunar Atmosphere and Dust Environment Explorer, " said Goddard's Richard Vondrak, the orbiter's deputy project scientist.

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