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中文摘要：
研究了最小均方误差（LMS）和归一化最小均方误差（NLMS）自适应波束形成方法的性能,分析了影响波束形成性能的因素,通过计算机仿真实验验证了搜索步长、迭代次数、快拍对波束形成性能的影响,并比较了两种方法的收敛速度、稳态误差和抗干扰性能。
英文摘要：
The performance of least mean square error（LMS） algorithm and normalized NLMS algorithm was researched in this paper.The factors that affecting beamformer were ananlysed and large amount of simulation was made to show their influence.The performance and convergence error of LMS and NLMS was campared and the simulation verified that NLMS was superior to LMS.
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Effects of the backscattering enhancement considering multiple scattering in rain on MMW radar perfo
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