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題 名 | 應用活化策略差分演算法於線性天線陣列設計=Application of Activated Strategy Differential Evolution to Optimization of Antenan Arrays |
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作 者 | 李坤洲; 楊士杰; | 書刊名 | 東海學報 |
卷 期 | 50(工學院) 2012.07[民101.07] |
頁 次 | 頁1-10 |
分類號 | 448.813 |
關鍵詞 | 陣列天線; 差分演化演算法; 活化策略; 最佳化; Antenna arrays; Differential evolution; Activation strategy; Optimization; |
語 文 | 中文(Chinese) |
中文摘要 | 無線通訊在佈設天線陣列時,由於佈設天線陣列茲事體大,如果能在佈設前能有效率的先作最佳化設計模擬,將可大幅減少佈設錯誤機率,減少投入之硬體人力成本。故經常需要作通訊陣列最佳化,研究應用活化策略差分演算法,在限制某個半功率波束寬度下的前提下,去調整天線元素的位置及激發權重,來使副波瓣的輻射場型壓制到最低,並可快速的找出全域解,降低落入區域解的可能性,並平衡研究目標與執行效率,成功的運用演算法最佳化天線陣列位置與權重的問題。 |
英文摘要 | In installing antenna arrays of wireless communication systems, communication arrays are often optimized so that the side-lobe level is minimized. The goal is to reduce influences of interferences. Because building antenna arrays is difficult and expensive, optimization design by computer simulation in advance is required. In this paper, we utilized the Activated Strategy Differential Evolution to implement optimization of antenna arrays. The side-lobe level of an antenna array is minimized by adjusting positions and exciting weights of array elements under the constraint of certain beam-width limitation. The result is that the latter one indeed improves the problems of the array antennas to achieve the optimization. |
本系統中英文摘要資訊取自各篇刊載內容。