Design of Quantized Amplitude Weights for Low Sidelobe Phased Array Antennas

ZHANG Zeng-hui; HU Wei-dong; YU Wen-xian

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Design of Quantized Amplitude Weights for Low Sidelobe Phased Array Antennas

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- Design of Quantized Amplitude Weights for Low Sidelobe Phased Array Antennas
- Acta Electronica Sinica Vol. 35, Issue 3, Pages: 580-584(2007)
- 作者机构：
  
  国防科技大学ATR重点实验室,湖南,长沙,410073
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN820
- Published：2007
- 稿件说明：
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ZHANG Zeng-hui, HU Wei-dong, YU Wen-xian. Design of Quantized Amplitude Weights for Low Sidelobe Phased Array Antennas[J]. Acta Electronica Sinica, 2007, 35(3): 580-584.
DOI：

ZHANG Zeng-hui, HU Wei-dong, YU Wen-xian. Design of Quantized Amplitude Weights for Low Sidelobe Phased Array Antennas[J]. Acta Electronica Sinica, 2007, 35(3): 580-584. DOI：

摘要

本文首先推导出了加权宽度相等时一维线阵最优量化权值满足的近似公式.当加权宽度不等时

理论分析比较困难

引入粒子群优化(Particle Swarm Optimization

PSO)算法.首先设计出处理加权宽度的约束整数PSO算法

在此基础上提出了一种联合处理量化权值和加权宽度的串联PSO算法结构.仿真实验验证了本文方法的有效性.文章的最后还讨论了量化权值误差对天线低副瓣性能的影响

以及二维平面阵的设计.

Abstract

The approximate formulas for optimal quantized amplitude weights are firstly derived on condition of equally step widths.When step widths are not equal

particle swarm optimization (PSO) algorithm is introduced.The algorithm is modified to cope with the constrained conditions for integer variables

which correspond with step widths.An efficient series-PSO algorithm is proposed to solve the optimization problem.Simulation experiment shows the efficiency of the series-PSO algorithm.Finally

the influence of quantized amplitude weights error to sidelobe level and the design of planar array antennas are discussed.

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