| 浮点数编码的阈值消噪研究 |
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| 引用本文： | 崔明义.浮点数编码的阈值消噪研究[J].计算机工程与应用,2009,45(11):42-44. |
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| 作者姓名： | 崔明义 |
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| 作者单位： | 河南财经学院,信息学院,郑州,450002 |
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| 基金项目： | 河南省自然科学基金，河南省高等学校杰出科研人才创新工程项目 |
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| 摘 要： | 遗传算法在工程和优化领域中得到了广泛地应用,但其编码的局限性影响了遗传算法的性能和应用领域的拓展。浮点数编码在函数优化和约束优化领域明显有效于其他编码,但编码在选择、交叉操作中产生的噪声对遗传算法性能的影响未被人们所重视。着重分析了遗传操作中浮点数编码噪声的性质,研究利用小波阈值化系数对浮点数编码消噪的机理,通过变异运算消噪。结果表明,将小波理论用于浮点数编码遗传算法的变异消噪是可靠的、方法是可行的。
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| 关 键 词： | 遗传算法 小波系数 阈值 变异消噪 |
| 收稿时间： | 2008-3-3 |
| 修稿时间： | 2008-4-30
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Research on threshold denoising of float code |
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| CUI Ming-yi.Research on threshold denoising of float code[J].Computer Engineering and Applications,2009,45(11):42-44. |
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| Authors: | CUI Ming-yi |
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| Affiliation: | CUI Ming-yi School of Information,Henan University of Finance & Economics,Zhengzhou 450002,China |
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| Abstract: | Genetic algorithm is widely used in engineering and optimization fields.The performance of genetic algorithm and ex-tension of its application fields are affected by the limitation of its code.Float code is super to other codes in function and con-straint optimization fields.Noise is brought by the code in selection and crossover,its influence to the performance of genetic algo-rithm is not noticed by researchers.In this paper,the property of the noise in float code is mostly analyzed by it in inherit oper-... |
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| Keywords: | genetic algorithm wavelet coefficient threshold mutation denoising |
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