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提出一种适用于短突发信号的CMA盲均衡算法。算法基于正反向数据重用思想,使得CMA盲均衡算法在计算复杂度基本不变的情况下,只需利用几百个甚至几十个符号就可达到收敛,极大提高了收敛速率。文中详细描述了算法的数学表达,并对其性能进行了分析。仿真数据表明,该算法对于短突发信号的盲均衡确实具有较高的实用价值。
A CMA blind equalization algorithm suitable for short burst signals is proposed. The algorithm is based on the idea of reuse of forward and reverse data, so that the CMA blind equalization algorithm only needs to use hundreds or even tens of symbols to achieve convergence under the same computational complexity, which greatly improves the convergence rate. The mathematical expression of the algorithm is described in detail and its performance is analyzed. The simulation results show that this algorithm does have a high practical value for blind equalization of short burst signals.