Noise_down

数字信号误码率和信噪比的matlab程序（m file）包括单极性方波加性包噪声，接受检测电平判决、误码率、信噪比(Digital signal bit error rate and signal to noise ratio of the matlab program (m file) of packages, including unipolar square Microwave and noise level being tested sentence error rate, signal to noise ratio)

分析灰色预测模型基本原理的基础上，利用MATLAB强大的矩阵功能，用MATLAB实现灰色预测GM(1，1)模型算法，并通过实例分析验证了程序的准确性和可靠性。(Grey forecasting model of the basic principle, using the powerful MATLAB matrix functions, with the MATLAB implementation Grey GM (1,1) model algorithm, and an example of program verify the accuracy and reliability. )

国外计算机经典教材，MATLAB有限元分析与应用。该书为中译本，详尽介绍了有限元分析的各种方法。(MATLAB guide to finite elements.)

导入统计套利品种的计算过的残差（要平稳）命名为resid文件，残差低于两个标准差买入，高于两个标准差卖出，计算买入和卖出点、次数以及收益，比较简单的一个小程序。(Calculation of statistical arbitrage varieties imported over residuals (to smooth) file named resid residuals less than two standard deviations to buy, sell higher than two standard deviations to calculate buy and sell points, the number and income , a relatively simple applet.)

基于小波包分解的语音去噪，根据熵谱概率密度函数估计阈值，去除实际环境噪声。(Based on wavelet packet decomposition of the voice de-noising, in accordance with spectral entropy probability density function estimated threshold, the actual removal of environmental noise.)

说明：  此文介绍了floyd算法的一种改进方法，实践价值高，方法的创新性好(This article introduces an improved algorithm floyd methods, the practice of high value, innovative methods of good)

说明：  Electrical machine modelling run the mfile first and run the model file

what is kalman filter ?

color file encoding

资料：matlab数字图像处理语言整理汇总，实用全面(matlab image processing language order summary)