The output signal to reverberation ratio can be improved by summing the outputs of all the subgroups coherently, and the loss in space-time aperture due to the processing of subgroup can be decreased.

• 对所有子组的输出进行相干叠加，不仅进一步提高了输出信混比，还减小了因子组处理而带来的空间和时间孔径的损失。