Hububianju

文章展示了基于高斯混合模型的语音频谱预测方法。频谱预测可能在传包过程中预防丢包这方面起到大作用。期望最大化算法用两倍或三倍的连续语音因素来测试模型。模型被用来设计第一，儿等指令预测量。预测表用频谱分配状态来估计并和一个简单的参考模型对比。最好的预测表得到一个平均频率扭曲值是0.46dB小于参考模型(This paper presents methods for speech spectrum prediction based on Gaussian mixture models. Spectrum prediction may be useful in a packet transmission system where the sensitivity to packet losses is a major problem. Models of speech are trained by the Expectation Maximization algorithm using pairs, triples etc. of consecutive cepstral vectors. The models are used to design first, second etc. order predictors. The prediction schemes are evaluated using the spectral distortion criterion and compared to a simple reference method. The best prediction scheme obtains an average spectral distortion that is 0.46 dB less than for the reference method. )

频率采样法：使所设计的FIR数字滤波器的频率特性在某些离散频率点上的值准确地等于所需滤波器在这些频率点处的值，在其他频率处的特性则有较好的逼近。 (Frequency sampling method：Make the FIR digital filters designed by the frequency characteristic in some discrete frequency is equal to the value accurately in these frequency required filter in value, the characteristics of the other frequency place there is a better approximation. )

digital signal processing homwork

用matlab绘制泊松分布Poisson distribution图形(Poisson distribution)

实现数值分析中单纯形法改进方法的matlab代码，即改进单纯形法算法，能够实现大型稀疏矩阵的迭代，这是3/3..(Numerical analysis to achieve improved method simplex method matlab code that modified simplex method algorithm, to achieve large sparse matrix iteration, which is 3/3)

此代码包含常见的线性调频雷达信号的去斜处理，时域上与参考信号进行混频时选择的起始时刻，以及加窗的注意事项(This code contains the common chirp radar signals dechirping, starting time of the selected mixing with the reference signal in the time domain, and precautions windowed)

顺序聚类算法-BSAS，并在MATLAB上实现。在输入矩阵和参数后，对其进行顺序聚类，得到聚类类别标签和聚类中心(Sequential clustering algorithm-BSAS, and implemented on MATLAB. Parameters in the input matrix and its sequential clustering, and cluster by cluster category labels center)

POWER QUALITY IMPROVEMENT IN GRID CONNECTED WINDENERGY SYSTEM USING STATCOM

用music算法经行波达方向（DOA）估计的matlab 仿真程序(With music by the line algorithm DOA (DOA) estimation matlab simulation program)

segy输出小程序，用于地震数据的处理，很有帮助(segy output procedures for the processing of seismic data, and helpful)