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粒子群算法用于相控阵雷达唯相位加权发射低副瓣的研究 被引量:1

Application of PSO Algorithm in Phase-only Transmit Beam with Low side-lobe for Phased Array Radar
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摘要 低副瓣是提高相控阵雷达"四抗"能力生存能力和的一个重要战术指标.通过唯相位加权控制发射波束副瓣,不仅方便易行,而且不会造成能量损失,具有很高的实用价值.粒子群算法具有需要调整的参数少,简单、易于实现和运行速度快等特点,在解决非线性优化问题方面具有非常明显的优势。文章从实际工程角度出发,提出了一种基于粒子群的唯相位加权方法,降低相控阵雷达的发射副瓣,并通过计算机仿真和分析说明该算法能有效降低副瓣,在实际中具有一定的应用价值。 Low side-lobe is an important tactical index, which can improve the radar's existence ability and anti-interference ability. It is convenient to control the side-lobe of transmitting beam by phase-only weighting, which couldn't waste the energy of system. The Particle Swarm optimization(PSO) algorithm has many advantages, such as few adjusting parameters, simple, easy to use and fast operation speed, which is very suitable to solve nonlinear optimization problems. For practicably use, basing on the PSO algorithm, the article presents a phase-only weighting method to lower the pattern side-lobe of phased array. Simulation results indicate that this method can decrease the side-lobe of phased array effectively, which shows it is preferable to the practical application.
出处 《信息通信》 2016年第6期46-48,共3页 Information & Communications
关键词 粒子群算法 唯相位加权 低副瓣 发射波束形成 particle swarm optimization phase-only weighting low side-lobe transmitting beam
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