The paper summarize the existing adaptive producing null method including only by amplitude control , only by phase control and by both of them control . the paper analyzes the features of all the methods and proceeds further improvement 本文归纳总结了已有的自适应控零技术(包括只改变阵元的幅度或相位,同时改变阵元的幅度和相位) ,分析了各种方法的特点,并在此基础上作了拓展和延伸。