To improve the robustness of the Minimum Variance Distortionless Response (MVDR) beamforming to the array steering vector, a quadratic constraint method is proposed.

• 提出了一种基于阵列指向性二次型约束的优化算法，以提高最小方差无畸变响应（MVDR）波束形成对方向矢量的稳健性。