文中基于子空间类测向方法，在远场情况下，提出了一种新的估计阵元位置误差的有源校正算法。

In the case of far field sources, based on the subspace direction-finding technique, a new method for active calibration of array shape is presented.

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并且简单介绍了基于最小描述长度(MDL)原理的信源数目估计方法以及基于子空间投影技术的MU SIC算法。

Furthermore the source number estimation method based on theory of MDL and the algorithm of MUSIC based on sub-space projection technique are also introduced briefly.

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采用最小噪声子空间方法，提出了一种通信信道盲辨识算法。

A new blind identification algorithm for the communication channel is presented by using minimum noise subspace approach.

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