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Flexible construction of girth-six QC-LDPC Codes(The program constructs girth-six QC-LDPC codes given row-weight,k, column-weight,j, and sub-matrix size,m. The obtained parity-check matrix is stored in H. The construction has flexibility in that j,k and m can be varied.The program achieves girth-six by applying the row-column constraint. There are m rows in j submatrices. No two rows should share the same column more than once. This constraint is applied to avoid 4-cycles. The construction has flexibility in that j,k and m can be varied.)

辨识所使用的数据长度保持不变，每增加一个新数据就抛掉一个老数据，使参数估计值始终只依赖于有限个新数据所提供的新消息，克服了遗忘因子法不管多老的数据都在起作用的缺点，因此该算法更能有效的克服数据饱和现象。(Identify the use of data length remain the same, every time you add a new data will throw away an old data, make the parameter estimate always depends on just co., LTD., a new data provided by the new news, overcome the forgetting factor method no matter how old data are in action shortcomings, so the algorithm can effectively overcome the more data saturation phenomenon.)

thats good suggest you

interpolation, decimation , LMS & RLS using in Matlab Simulink

4dbpsk系统的设计实现源码，几个朋友用一个假期的时间协作完成，功能非常好(The 4dbpsk system design realization source code, several friends complete it cooperation in one vacation time , the function is extremely good)

OFDM编码,调制的方法有QPSK,16QAM和64QAM(OFDM coding, modulation method QPSK, 16QAM and 64QAM)

Matlab5参考书 1.介绍主要的模块和大体的功能 2.一些函数的详细信息(MatLab5 reference book 1.introduce the mainly models and the general functions 2.details of some functions)

基于Hessian能量的半监督回归，并将其应用于半监督维数约简。(This is code for the semi-supervised regression using Hessian energy. Kwang In Kim, Florian Steinke and Matthias Hein, "Semi-supervised Regression using Hessian energy with an application to semi-supervised dimensionality reduction" NIPS 2009)

ITD计算模态参数，但是还有很多其他方法，这个方法比较原始(ITD)

this matlab code helps the image processing lerners to denoise grey images as well as other applications having denoising applications.