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題 名 | Genetic Algorithm Approach for Designing Fir Hilbert Transformers and Differentiators=藉由基因遺傳演算法則達成Fir Hilbert Transformer及Differentiators之設計 |
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作 者 | 呂虹慶; 曾顯棠; | 書刊名 | 大同學報 |
卷 期 | 28 1998.11[民87.11] |
頁 次 | 頁205-210+460 |
分類號 | 448.947 |
關鍵詞 | 基因遺傳演算法則; Fir hilbert transformer; Differentiators; |
語 文 | 英文(English) |
中文摘要 | 本篇論文描述利用基因遺傳演算法則達成FIR HILBERT TRANSFORMER及DIFFERENTIATORS之設計。藉由在頻帶上所測量出來的誤差使之最小化,如此便能使染色體演化出濾波器的參數值。在基因遺傳演算法則裡面,此種方法不但簡單而且也是最佳方法。除了在靠近截止頻率的小頻帶範圍內,在大部分的頻帶內,用本方法所做出來的效能較McClellan-Parks演算法所做出來的效能為佳。 |
英文摘要 | This paper presents the design of Hilbert transformers and differentiators by genetic algorithm (GA) approach. These chromosomes are evolved to get the filter coefficients by minimizing a quadratic measure of the error in the frequency band. This method is not only simple but also optimal in the least-squares sense. The performance of GA approach is better than that of McClellan-Parks algorithm in most of the frequency band except in the narrow-band region near the cutoff edge. |
本系統中英文摘要資訊取自各篇刊載內容。