The receive technology of Ultra-Wide Band (UWB) signal is one of the key technologies of high-speed receiver. Quadrature receiver is typical scheme in high- speed receiver.

超宽带信号接收技术是高码率接收系统的关键技术之一，正交接收机是实现超宽带信号接收的典型方案。

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A typical Ultra Wideband Radar system emits impulse signal, which has wide band, but limited operating range.

典型的超宽带雷达系统发射的是冲激脉冲信号，具有很大的带宽，但限制了系统的作用距离。

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This paper focus on the algorithm which can obtain equivalent ultra wide band signal by coherently combining multi-subbands measurements.

本文重点介绍了一种通过对多个雷达子带信号进行处理，得到一个等效超宽带信号的算法。

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