对于声矢量圆阵，比较固定对角加载法（FDL）和双重范数约束法（NCCB）和常规（SMI）的自适应波束形成器的性能。-For acoustic vector circular array, relatively fixed diagonal loading method (FDL) and double norm constraint method (NCCB) and conventional (SMI) adaptive beamformer performance.