摘要
讨论了完全重构的非均匀多通道滤波器组的设计方法,分析了多种条件下的设计问题,针对不同的条件,建立了相应的优化双目标函数,将进化策略和连续二次规划算法相结合,提出了一种混合优化设计方法,可解双目标函数问题,具有收敛性好,计算代价适中等特点.设计结果表明,用混合优化算法可以得到性能良好的非均匀滤波器组.
基金
国家自然科学基金(批准号:69772029)
国家"八六三"资助项目
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