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本文利用均匀线阵接收信号构造的数据矩阵的奇异值分解对频率和方位两参数进行分离估计,并针对实际阵列中存在的三种模型误差,提出一种基于辅助源的校准方法。声学实验证实了上述方法的可行性。
In this paper, the singular value decomposition of the data matrix constructed by uniform linear array received signals is used to separately estimate the frequency and azimuth parameters. Aiming at the three model errors existing in the actual array, a calibration method based on auxiliary sources is proposed. Acoustic experiments confirmed the feasibility of the above method.