此方法通过对反投影误差的检验实现了对部分可靠散射中心的自动选择和有效关联。
In the method, a part of reliable scattering centers are automatically selected and effectively associated via checking the back-projection error.
最后，在统计意义的框架下定义了加权柔度投影误差，解决了数据误差条件下的损伤定位问题。
Finally, the weighed flexibility error was defined on the frame of the statistical meaning to solve the damage location problem with the condition of data error.
证明了降阶控制器保证系统稳定的一个充分条件，并给出了投影误差引起的系统性能变化的范围估计。
A sufficient condition to guarantee closed loop stabilization is provided, and the change of performance from projection error is estimated.
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