| 引用本文: | 全玉生,李学鹏,杨俊伟,马彦伟,李静一.数学形态学算子在电力系统突变信号检测中应用[J].电力自动化设备,2006,(3):1-5 |
| .Application of several mathematical morphology operators in power system saltation signal detection[J].Electric Power Automation Equipment,2006,(3):1-5 |
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| 摘要: |
| 数学形态学是一种非线性图象(信号)处理和分析工具,对信号特征的提取完全在时域中进行,信号的相位移和幅值特征不会变化。详细介绍了一维情况下灰度形态变换、形态学算子构造的滤波器和提取暂态突变特征等。应用电力系统暂态仿真软件PSCAD/EMTDC,仿真结果表明,在选择合适结构元素的条件下,数学形态算子有很好的滤波功能,对突变信号的检测具有速度快、时延小、易于分辨等特点。 |
| 关键词: 电力系统,数学形态学,突变信号,信号检测 |
| DOI： |
| 分类号:TM77 TN713.1 |
| 基金项目: |
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| Application of several mathematical morphology operators in power system saltation signal detection |
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QUAN Yu-sheng LI Xue-peng YANG Jun-wei MA Yan-wei LI Jing-yi
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| Abstract: |
| Mathematical morphology is a tool to process and analyze nonlinear images(signals) with which the extraction of signal features is performed in time domain and the features of phase and amplitude will not change. The grey morphology transform,filter construction and transient saltation extraction with mathematical morphology operators in one dimension are introduced in detail. Simulations are carried out with PSCAD / EMTDC. Results show that,with appropriate struc-tural elements,the mathematical morphology operators has not only favorable filter ability,but also rapid speed,small time delay and easy detection of saltation signal. |
| Key words: power system,mathematical morphology,saltation signal,signal detection |
