Alpha稳定分布噪声下级联恒模阵列及其稳定性分析
A Robust Cascade Constant Modulus Array in Alpha-Stable Noise Environment and Its Steady-State Analysis
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摘要: 该文研究Alpha稳定分布噪声下级联韧性恒模阵列的稳定性。首先，提出一种新型的信号对消器，把本级阵列捕获的信号从接收数据中消除，并分析了该对消器达到的稳定状态。然后，以韧性的波束形成器和新型的信号对消器组成级联恒模阵列。分析了恒模信号和Alpha稳定分布噪声在级联恒模阵列间的传递情况。数值仿真验证了理论分析的结论，并对级联恒模阵列的多信号恢复进行了模拟。Abstract: This paper studies the steady-state of a robust cascade constant modulus(CM) array in alpha-stable distribution noise environment. A new signal canceller is proposed to cancel the captured signal by the previous beamformer. The convergence behavior of the canceller weight vector is examined. The behaviors of signals and alpha-stable noise transmitting along the cascade CM array are investigated. Computer simulations are presented to support this theoretical analysis.
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