To solve the beamforming performance degradation problem of the towed linear array caused by the shape distortion, we propose a robust beamforming way for distorted towed linear array. The proposed method basically uses the segmented processing, which can be divided into 3 steps. Firstly, towed linear array is divided into sub-arrays. Then, the weights of sub-arrays are obtained and outputs of beamforming of sub-arrays are obtained. In the end, according to the principle of the product theorem, the correlation calculations are performed on the output of the sub-array. Due to the adoption of sub-array correlation calculations, the proposed method can upgrade beamforming performance. Compared with the traditional distortion array processing method, the proposed method can improve the local signal-to-interference plus noise ratio (SINR) by about 2–3 dB. Simulation and sea trial data verify the effectiveness of the proposed method.

为解决形状畸变引起的拖曳线性阵列波束成形性能下降的问题，提出了一种用于畸变拖曳线性阵列的稳健波束成形方法。所提出的方法基本上使用分段处理，该处理可以分为三个步骤。首先，将拖曳线性阵列分为子阵列。然后，获得子阵列的权重并获得子阵列的波束成形的输出。最后，根据乘积定理的原理，对子阵列的输出进行相关计算。由于采用了子阵列相关计算，因此该方法可以提高波束成形性能。与传统的失真阵列处理方法相比，所提出的方法可以将本地信号干扰加噪声比（SINR）提高约2-3 dB。仿真和海试数据验证了该方法的有效性。