The thesis not only provided the Lagrange multiplier algorithm for designing the desample filter, but also the algorithm was designed to take account the effect of the antenna pattern of the SAR used in collecting the raw data.

• 论文不仅提出了使用拉格朗日乘子法对降采样滤波器的设计方法而且在设计中考虑了天线方向图的影响。