fengwoxiaoqu

说明：  图像直方图分析与图像频谱分析/图像增强/图像边缘检测/MPEG编码 5个MATLAB实验代码(The image histogram analysis and spectrum analysis of the image/image enhancement, image edge detection code/MPEG coding five MATLAB experiment )

在MATLAB平台，利用AR模型对时间序列进行预测，采用ar()函数编程(In the MATLAB platform, the use of AR time series model to predict, using ar () function programming)

说明：  PCA的一些经典算法例子，希望对大家有用(Some classic examples of PCA algorithm)

实现（2，1，7）卷积编码以及相应的viterbi译码(achieve (2,1,7) convolutional code and the corresponding Viterbi decoding)

霍夫曼编码6进去N输入的MATLAB程序代码，直接可用。(Huffman 6 N input into the MATLAB code directly available.)

本算法程序基于实测汽轮机振动信号进行了测试及性能分析。理论分析及仿真结果表明，AR模型谱估计算法在阶次合适的情况下，能够取得较好的方差及分辨力性能，适合于振动信号的功率谱估计，且AIC准则为确定合理的模型阶次提供了有效依据。(This algorithm based on the measured turbine vibration signal testing and performance analysis. Theoretical analysis and simulation results show that, AR model spectrum estimation algorithm in appropriate circumstances the order, the variance can achieve better performance and resolution, suitable for vibration signal power spectrum estimation, and the AIC criterion to determine a reasonable model order provides an effective basis.)

说明：  一维等离子体的时域有限差分方法的仿真详细步奏(plasma FDTD)

This code is an interesting version of noise production. this produced noise in controlled manner to display clouds. same code may be used to develop several natural random phenomenon

matlab code generation

该PPT详细介绍了MATLAB的符号运算(the PPT introduced MATLAB symbolic operation)