forward channel

The formula of instability limitations to improvement is given in both cases of amplitude and phase unbalances of quadrature channels in radar.

推导了雷达正交通道幅相不平衡对限制改善因子稳定度的分析公式，并通过计算机画出了幅相不平衡参数Ｋ和θ对改善因子稳定度的限制曲线。

The paper analyzes the influence of amplitude and phase difference in DBF technology, the influence can be eliminated by Channel correction.

本文分析了在波束形成技术中接收通道间的幅度相位差异对波束形成的影响,解决的方法是通过通道校正,消除幅相差异影响。

This paper discusses the mathematic principle and engineering implementation method of DBF,and gives a kind of digital multi-beam forming system module based on the structure of FPGA and DSP,wich has the functions of high speed DBF,channel correction and adaptive interference reset.

数字波束形成(DBF)一直是相控阵雷达的关键技术,讨论了DBF的数学原理和工程实现方法,并给出了一种基于FPGA和DSP结构的数字多波束形成系统模块,该DBF模块具有高速数字波束形成、通道校正、自适应干扰置零功能。