| 基于傅立叶和小波变换的电网谐波检测 |
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| 引用本文： | 杲秀芳,曹建设.基于傅立叶和小波变换的电网谐波检测[J].电力学报,2007,22(4):460-463. |
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| 作者姓名： | 杲秀芳 曹建设 |
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| 作者单位： | 中铁第一勘察设计院集团有限公司,陕西,西安,710043 |
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| 摘 要： | 利用小波变换的奇异信号检测能力和较好的时域分辨率,结合傅立叶变换准确的频域分辨能力,提出了傅立叶和小波变换联合检测的改进算法,并通过仿真验证了算法的可行性。
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| 关 键 词： | 傅立叶变换 小波变换 谐波检测 |
| 文章编号： | 1005-6548（2007）04-0460-04 |
| 收稿时间： | 2007-10-23 |
| 修稿时间： | 2007年10月23 |
The Electric Power System Harmonic Detecting Based on Fourier and Wavelet Transform |
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| GAO Xiu-fang,CAO Jian-she.The Electric Power System Harmonic Detecting Based on Fourier and Wavelet Transform[J].Journal of Electric Power,2007,22(4):460-463. |
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| Authors: | GAO Xiu-fang CAO Jian-she |
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| Abstract: | This paper advances Fourier and wavelet transform comprehensive detecting algorithm using the special effect on detecting singularity point and high resolving degree in time domain of wavelet,combined with the exact frequency resolving ability of fast Fourier transform.Example is given to show the correctness of the new method. |
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| Keywords: | fourier transform wavelet transform harmonic detecting |
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