Y2001-62725-411 0118550无限小模波导滤波器设计的遗传算法最佳化=Geneticalgorithm optimisation for evanescent mode waveguide fil-ter design[会,英]/Lecouve,M.& Jarry,P.//2000IEEE International Symposium on Circuits an...Y2001-62725-411 0118550无限小模波导滤波器设计的遗传算法最佳化=Geneticalgorithm optimisation for evanescent mode waveguide fil-ter design[会,英]/Lecouve,M.& Jarry,P.//2000IEEE International Symposium on Circuits and Systems,Vol.3.—411～414(HC)Y2001-62725-519 0118551自适应于未知信号平滑的变化带宽中值滤波器=Me-dian filter with varying bandwidth adaptive to unknownsmoothhess of the signal[会,英]/Katkovnik,v.& E-展开更多
雷达系统在临近目标分辨中存在近区旁瓣过高的问题,导致了弱目标淹没、临近目标回波主旁瓣混叠等现象。针对这一问题,该文提出了一种抑制近区距离旁瓣的正交频分复用(orthogonal frequency division multiplexing,OFDM)多输入多输出雷...雷达系统在临近目标分辨中存在近区旁瓣过高的问题,导致了弱目标淹没、临近目标回波主旁瓣混叠等现象。针对这一问题,该文提出了一种抑制近区距离旁瓣的正交频分复用(orthogonal frequency division multiplexing,OFDM)多输入多输出雷达波形设计方法。首先,构造一组基于相位编码调制的OFDM发射波形集,在此基础上,以极小化极大原理和近区积分旁瓣水平建立目标函数,令发射波形恒模为约束条件;然后,借助发射波形与相位的对应关系,将波形设计转化为无约束优化问题,并利用Broyden-Fletcher-Goldfarb-Shanno算法求解。理论分析和仿真结果表明,该文方法较现有方法具有更好的近区旁瓣抑制特性和更低的运算复杂度。展开更多
Minimax programming problems involving generalized （p, r）-invex functions are consid- ered. Parametric sufficient optimality conditions and duality results are established under the aforesaid assumptions on the obje...Minimax programming problems involving generalized （p, r）-invex functions are consid- ered. Parametric sufficient optimality conditions and duality results are established under the aforesaid assumptions on the objective and constraint functions.展开更多
文摘Y2001-62725-411 0118550无限小模波导滤波器设计的遗传算法最佳化=Geneticalgorithm optimisation for evanescent mode waveguide fil-ter design[会,英]/Lecouve,M.& Jarry,P.//2000IEEE International Symposium on Circuits and Systems,Vol.3.—411～414(HC)Y2001-62725-519 0118551自适应于未知信号平滑的变化带宽中值滤波器=Me-dian filter with varying bandwidth adaptive to unknownsmoothhess of the signal[会,英]/Katkovnik,v.& E-
文摘雷达系统在临近目标分辨中存在近区旁瓣过高的问题,导致了弱目标淹没、临近目标回波主旁瓣混叠等现象。针对这一问题,该文提出了一种抑制近区距离旁瓣的正交频分复用(orthogonal frequency division multiplexing,OFDM)多输入多输出雷达波形设计方法。首先,构造一组基于相位编码调制的OFDM发射波形集,在此基础上,以极小化极大原理和近区积分旁瓣水平建立目标函数,令发射波形恒模为约束条件;然后,借助发射波形与相位的对应关系,将波形设计转化为无约束优化问题,并利用Broyden-Fletcher-Goldfarb-Shanno算法求解。理论分析和仿真结果表明,该文方法较现有方法具有更好的近区旁瓣抑制特性和更低的运算复杂度。
文摘Minimax programming problems involving generalized （p, r）-invex functions are consid- ered. Parametric sufficient optimality conditions and duality results are established under the aforesaid assumptions on the objective and constraint functions.
