中文说明：
导数约束实现对指向误差稳健的ADB，MVDR 波束形成和导数约均可以 在干扰方向上形成“零陷”，但导数约束波法比 在干扰方向上形成“零陷”，但导数约束波法比 MVDR 波束形成方法主瓣
English Description：
Derivative constraint implementation of pointing error robust ADB, MVDR beamforming and derivative can be formed in the interference direction about the "zero", but a derivative constraint wave method is formed in the interference direction "zero", but a derivative constraint wave method is main lobe MVDR beamforming method