CN113099728A - 一种有限信号的精确分解方程式构建及分解方法 - Google Patents
一种有限信号的精确分解方程式构建及分解方法 Download PDFInfo
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Abstract
本发明涉及一种有限信号的精确分解方程式构建及分解方法，包括下列步骤，步骤S101、根据复杂信号的源信号构建离散源信号矩阵，并由所述复杂信号的源信号获得离散源信号的微分/积分/微差信号序列，由此构建离散源信号的微分/积分/微差信号矩阵，用所述离散源信号矩阵和/或所述离散源信号的微分/积分/微差信号矩阵构建关于复杂信号简谐分量频率的广义特征值方程式；步骤S102、根据所述广义特征值方程式计算全部广义特征值及广义特征向量；或/和计算广义特征值方程式的部分广义特征值及其对应的广义特征向量；步骤S103、根据全部广义特征值解算复杂信号的全部简谐分量的频率、幅值和初相位；和/或根据部分广义特征值及其对应的广义特征向量解算复杂信号的部分简谐分量的频率、幅值和初相位，解决有限长度、有限频率分量信号的精确分解问题，具有广泛的工程需求背景和应用价值。
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PCT国内申请，说明书已公开。
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| CN109256788A (zh) * | 2018-11-21 | 2019-01-22 | 国网四川省电力公司电力科学研究院 | 一种基于广域量测的区域间低频振荡模式估计方法 |
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| JP6652519B2 (ja) * | 2017-02-28 | 2020-02-26 | 日本電信電話株式会社 | ステアリングベクトル推定装置、ステアリングベクトル推定方法およびステアリングベクトル推定プログラム |
| CN109711030B (zh) * | 2018-12-20 | 2023-04-18 | 长安大学 | 一种基于不完备数据的有限元模型修正方法 |
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| CN109256788A (zh) * | 2018-11-21 | 2019-01-22 | 国网四川省电力公司电力科学研究院 | 一种基于广域量测的区域间低频振荡模式估计方法 |
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