简要介绍了自适应天线系统及三种常用的最佳加权系数准则，讨论了一些常用的自适应数字波束形成算法。

Adaptive antenna system as well as three usual optimal weight coefficient rules is introduced briefly and some usual algorithms about adaptive digital beamforming are discussed.

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本文结合工程的实际需求，对宽带恒定束宽波束形成的算法进行研究，并详细讨论了宽带数字阵列雷达中数字波束形成系统的工程实现问题。

In this paper, the algorithm of wideband constant beamwidth digital beamforming is studied, and the implementation of digital beamforming system in wideband digital array radar is discussed.

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