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Levinson
AR模型参数确定后计算出功率谱, 用Levision_Durbin 算法(AR model parameters were calculated to determine the power spectrum, using Levision_Durbin algorithm)
- 2007-09-06 22:11:22下载
- 积分：1
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Wavelet_Entropy
计算一维向量的小波熵。已设置成功能函数文件，可直接调用(One-dimensional vector of wavelet entropy. Can be called directly)
- 2020-07-02 17:00:02下载
- 积分：1
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spectrum-estimation
功率谱估计是利用有限长的数据估计信号的功率谱，广泛应用于各个领域。功率谱估计主要分为经典谱估计与现代谱估计。常用的经典谱估计方法有周期图法，相关法，周期图的改进法，常用的现代谱估计方法有最大熵谱估计，AR模型，MA模型，ARMA模型。经典谱估计适用于长序列的信号，其主要缺陷是描述功率谱波动的数字特征方差性能差，频率分辨率低，现代谱估计适用于短序列的信号，旨在改善谱估计的分辨率，并将其应用于实际地震资料的谱分析。
(Power spectrum estimation is the use of a finite length data to estimate the power spectrum of the signal, widely used in various fields. Power spectrum estimation is divided into classic and modern spectral estimation spectral estimation. Commonly used methods of classical periodogram spectrum estimation method, the relevant law, the cycle graph Improvement Act, commonly used in modern spectral estimation methods have maximum entropy spectral estimation, AR model, MA model, ARMA model. Classical spectral estimation applied to signal a long sequence, its main drawback is the fluctuation power spectrum describing digital signature variance performance is poor, the frequency resolution is low, modern spectral estimation applied to signal short sequences designed to improve spectral estimation resolution, and The analysis applied to real seismic data spectrum.)
- 2014-11-01 17:02:48下载
- 积分：1
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OFDMmatlab
OFDM Simulation Using Matlab
- 2007-07-15 23:30:11下载
- 积分：1
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particalswarmoptimization
一个使用matlab语言编写的粒子群算例，对初学者很有用(a example of particle swarm optimization)
- 2009-10-13 20:02:00下载
- 积分：1
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bin
一个matlab小程序，自己看吧。有没有20字啊(Matlab applet, see for yourself. 20 words)
- 2012-05-17 21:27:00下载
- 积分：1
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fixpoint
fix point numerical method
- 2010-05-16 04:43:18下载
- 积分：1
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case5
说明： 2机5节点系统，可实现简单牛拉法，快速解耦法迭代潮流计算(2-machine 5-node system can realize simple Niula method and fast decoupling method to iterate power flow calculation)
- 2019-03-04 22:48:22下载
- 积分：1
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hyperChaos
超混沌,用于显示各种经典的超混沌系统的方程及其混沌吸引子 非常好 可以直接使用(hyper-chaos)
- 2009-03-14 14:18:21下载
- 积分：1
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GM_MATLAb
MATLAb的灰色系统的预测数据的简单实现，(MATLAb simple implementation of Grey Prediction)
- 2010-10-28 22:02:39下载
- 积分：1
