niudun

神经网络迭代法，数据量不大，用于图像压缩(Neural network iteration method, the data volume is not large, used for image compression)

用非分离重复过采样正交变换对图像进行去模糊，去噪声，超解像实验。(Repeat with the non separation of the image to blur, noise sampling orthogonal transform, super resolution experiment. )

LDPC(Low-density-parity-check，低密度奇偶校验)码是一类具有稀疏校验矩阵的线性分组码，不仅有逼近Shannon限的良好性能，而且译码复杂度较低，结构灵活，是近年信道编码领域的研究热点(LDPC (Low-density-parity-check, low-density parity check) codes are a class of sparse check matrix of linear block codes, is not only good performance approaching Shannon limit, and the decoding complexity low, flexible structure , the field of channel coding in recent years the research focus)

进行C均值聚类，样本是男女身高体重数据，在程序中增加了很多注释说明部分，适合广大初学者。(Perform C-means clustering, the sample was male and female height and weight data, adds a lot of explanatory notes section in the program, for the majority of beginners.)

说明：  数字滤波器的设计,用双线性变换设计N阶巴特沃斯低通数字滤波器。(The design of the digital filter, using bilinear transformation design N order butterworth low-pass digital filter.)

An exponential distribution random number generator.

matlab由浅到深的解析，源码都有，很好的初学者学习资料(matlab from shallow to deep parsing, source code has, very good information for beginners to learn)

多变量PID控制的simulink仿真，用S函数(Multivariable PID control simulink simulation, with S function)

声音的频谱分析 读取文件，分析频谱，画图(Read the file of the sound spectrum analysis, analysis of the spectrum, drawing)

卡尔曼滤波法实现分布式传感器的航迹模拟，matlab源代码(Kalman filter method for distributed sensor track initiation, matlab implementation)