减小汇水区面积的不确定性可提高其他参数的灵敏度，有利于参数的有效识别。
Reduction of the catchment area could increase the sensitivity of other parameters, providing better condition for parameter calibration.
采用该法可显著提高模态参数的整体识别精度。
Using the new algorithm, the higher precision of the global identification of modal parameters is obtained.
根据输入输出脉冲宽度的变化，可识别出线性调频脉冲压缩雷达信号，并测出其参数如脉冲宽度和调频斜率。
According to the change of widthes of the input and output pulses, the chirp signals can be identified and their parameters such as the pulse width and FM slope can be determined.
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