本文在分析SAR相干干扰原理、用于SAR相干干扰信号产生的二维卷积算法的基础上，提出了一种快速算法。
This thesis has analyzed SAR coherent jamming theory, 2-d convolution algorithm for SAR coherent jamming signal generation, and provided a fast algorithm.
本文研究利用快速多项式变换(FPT)计算二维循环卷积的几种算法，改进了其中的一种算法，编制了相应的计算机程序。
In this paper, algorithms for computing 2-d circular convolution by using Fast Polynomial Transform (FPT) are reviewed and discussed, and then an improved algorithm is presented.
本文将FPT和FNT相结合提出了一种计算超大型二维循环卷积的迭代算法，它的基础是应用了FPT。
On the basis of FPT, in this paper we introduce an iteration algorithm for computing hyper-large scale 2-d cyclic convolutions by combining FPT with FNT.
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