Steering the beam direction is the main function of beam steering system of phased array radar, besides, outline-testing and online-monitoring can be performed by itself.

相控阵雷达波束控制系统的主要功能是实现天线波束指向的控制，此外，其自身还应具备脱机检测和联机监测功能。

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In this paper, an online inspecting scheme of noise is introduced by employing the band sampling method, and the design of wave shape and the implementation of HF radar system are presented.

研究了采用带通采样的方法，实现HF雷达噪声频谱在线监测的原理，以及频谱监测的波形设计和系统实现。

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It is set to replace radar in commercial aviation as the next generation of air traffic control systems come online by 2020.

BBC: The key to preventing lost planes

Aram Sinnreich, a media industry analyst with Radar Research, argues that BitTorrent's technology is more of an incremental step towards profitable online television.

FORBES: Brightcove Unleashes A BitTorrent Stream