基于快速群體智能算法的毫米波天線設計

陳月云; 簡榮靈; 趙庸旭

doi:10.11999/JEIT170455

基于快速群體智能算法的毫米波天線設計

doi: 10.11999/JEIT170455

基金項目:

國家科技重大專項(2016ZX03002010-004)

計量
- 文章訪問數(shù): 1344
- HTML全文瀏覽量: 137
- PDF下載量: 164
- 被引次數(shù): 0
出版歷程
- 收稿日期: 2017-05-12
- 修回日期: 2017-09-11
- 刊出日期: 2018-02-19

Millimeter Wave Antenna Design Based on Fast Swarm Intelligence Algorithm

Funds:

The National Science and Technology Major Project of China (2016ZX03002010-004)

摘要

摘要: 針對毫米波天線阻抗不匹配的問題，該文提出基于粒子群蟻群(Particle Swarm Ant Colony Optimization, PSACO)的天線貼片參數(shù)優(yōu)化算法，利用蟻群算法的信息素引導機制獲得粒子群算法的最優(yōu)貼片長、寬及饋電位置；并采用模糊決策綜合評價模型(Fuzzy Decision-Making Comprehensive Evaluation, FD-MCE)求解毫米波天線的地面開槽位置，實現(xiàn)帶寬擴展。對28.0 GHz中心頻率進行設計與仿真，結果證明所提方法能有效且快速實現(xiàn)毫米波天線阻抗匹配，保證諧振頻率與中心頻率的一致，且在開槽面積不大于接地面總面積30%時帶寬可擴展約33%，回波損耗特性也得到明顯改善。所提算法具有計算復雜度低，收斂速度快的優(yōu)點。
- 毫米波天線 /
- 群體智能算法 /
- 模糊決策綜合評價 /
- 地面開槽
Abstract: Considering the problem of mismatched impedance of millimeter wave antenna, an algorithm based on Particle Swarm Ant Colony Optimization (PSACO) is proposed to optimize antenna patch parameters and the pheromone guidance mechanism of the ant colony algorithm is used to obtain the patch length, width and feed position optimized by the particle swarm algorithm. The Fuzzy Decision-Making Comprehensive Evaluation (FD-MCE) model is used to solve the ground slotted position of the millimeter wave antenna to realize the bandwidth expansion . For the designed and simulated 28.0 GHz center frequency, the results show that the proposed method can effectively and quickly realize the impedance matching of millimeter wave antenna, and the resonant frequency is exactly the same as the center frequency. When the slot area is not greater than the total area of 30% of the ground, the bandwidth can be extended about 33%, and the return loss characteristics are also significantly improved. The proposed algorithm has the advantages of low computational complexity and fast convergence.
- Millimeter wave antenna /
- Particle Swarm Ant Colony Optimization (PSACO) /
- Fuzzy Decision-Making Comprehensive Evaluation (FD-MCE) /
- Slotted ground

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參考文獻(20)

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