L1General

straight line using matlab

说明：  IEEE33节点的潮流计算程序，使用了前推回代方法。(IEEE33 node power flow calculation program)

电子工业出版社翻译Sangjit K.Mitra的数字信号处理课本源程序(Electronic Industry Press Translation Sangjit K. Mitra Digital Signal Processing source textbooks)

关于系统辨识的一些仿真程序，里面包括各种经典算法(On system identification of a number of simulation procedures, which include a variety of classic algorithms)

语种识别matlab程序，里面包括gmm，hmm模型的训练和测试，，，，，，(Language recognition matlab program, which includes training and testing gmm, hmm model,,,,,,)

说明：  最小二乘递推算法RLS，利用递推最小二乘法计算Volterra级数的核(recursive least squares algorithm RLS using recursive least squares method Volterra series of nuclear)

数据拟合 (Numerical routine fit)

求频率响应的程序，里面提供了三个求的方法，经过本人调试(frequency response)

研究表明，构成K一L变换矩阵的向量也就是ToePhtz矩阵的特征向量。与此同时，离散 余弦变换矩阵逼近于ToePutz矩阵的特征向量矩阵，所以离散余弦变换矩阵与自然图像的 K一L变换矩阵十分相似。经过离散余弦变换后的变换系数块的协方差矩阵Cy非常接近对角 阵，即除了对角线元素以外，其它很多元素都近似为0，并且在左上角集中了主要能量。这 反映了自然图像大部分区域变化不大，亮度突变只占少数，即图像能量以低频成分为主的特 性。通过变换后的量化，舍弃对视觉效果影响较小的次要信息，可达到进一步的压缩效果。 虽然从去相关性能的意义上讲，DCT是一种次于K一L变换的准最佳变换，但是从算法实现的角度来看，DCT则远远优于K一L变换。首先，当图像的分块大小确定后，DCT的变换矩阵也就随之确定了，不随输入信号的统计特性变化而变化 其次，二维DCT能够分解成两次一维DCT，有利于硬件实现。 (Studies have shown that constitute a K L transformation matrix vector is ToePhtz eigenvector of the matrix. At the same time, discrete The cosine transform matrix approximation in ToePutz matrix eigenvector matrix, so the discrete cosine transform matrix and natural images Is very similar to a K L transformation matrix. After discrete cosine transform, the transform coefficient block of Cy is very close to the diagonal of covariance matrix Matrix, namely except diagonal elements, many other elements are approximate to 0, and focused the main energy in the upper left corner. this Reflects the natural images most area changed little, brightness mutations accounted for only a few, the energy is given priority to with low frequency components of image Sex. Through quantitative after transformation, abandoning smaller effect on the visual performance of secondary information, can achieve further compression effect. Although from related to the performance of the sense, DCT is a kind o)

Transient running operation of Dc Machine.