基于波束空间的自适应阵列处理算法研究

摘要

Based on in-depth research on the beam-space preprocessing algorithm, the principles and requirements of beam-space algorithms and advantages are analyzed. Under the research on the DFT method, the LMS algorithm based on the DFT method is given in this paper. Finally , the performance of element space and beam-space algorithm as soon as the same beam-space algorithm between the different beams are compared by pattern, convergence speed and estimation variance. At last some computer simulations and conclusions are given.%针对波束空间预处理算法进行了深入的研究,给出了波束空间算法的原理和要求及其优势,并对其中的DFT波束法进行了研究,给出了基于DFr波束法的空域LMS算法.最后通过计算机仿真实验,从方向图、收敛方差和速度三个方面比较了阵元空间算法和波束空间算法以及同一波束空间算法的不同波束之间的性能,并得出了一些计算机仿真结果和结论.