original_DTC

三分之一倍频程处理程序,适用于声学及振动信号处理(the third singal )

This is a JPEG encoding & decoding program of still image. It does not use level shifting. Discrete Cosine transform (DCT) is performed both by classical & Chen s Flowgraph methods. Predefined JPEG quantization array & zigzag order are used here. RUN - LEVEL coding is used instead of Huffman coding. Compression ratio is compared for each DCT method. Effect of coarse and fine quantization is also examined. The execution time of 2 DCT methods is also checked. In addition, most energatic DCT coefficients are also applied to examine the effect in MatLab 7.4.0 R2007a. Input is 9 gray scale pictures & output is 9*9=81 pictures to compare. Blocking effect is obvious. (This is a JPEG encoding & decoding program of still image. It does not use level shifting. Discrete Cosine transform (DCT) is performed both by classical & Chen s Flowgraph methods. Predefined JPEG quantization array & zigzag order are used here. RUN - LEVEL coding is used instead of Huffman coding. Compression ratio is compared for each DCT method. Effect of coarse and fine quantization is also examined. The execution time of 2 DCT methods is also checked. In addition, most energatic DCT coefficients are also applied to examine the effect in MatLab 7.4.0 R2007a. Input is 9 gray scale pictures & output is 9*9=81 pictures to compare. Blocking effect is obvious. )

svmTrain svm在matlab中运行 训练(svmTrain svm training run in matlab)

MATLAB基本的调制解调程序集(包括BPSK,QPSK,QAM,GMSK等)(MATLAB basic modem assemblies (including BPSK, QPSK, QAM, GMSK, etc.))

this program compare the Locally Weighted Linear Regression with three diferrent kernel function (gaussian, logistic basis, and Reciprocal Multiquadric) also compare locally weighted by simple Linear Regression.

基于otsu算法的图像分割算法实现，经过多次验证，程序无错误。(Based on Otsu algorithm for image segmentation algorithm, after repeated verification, error-free program.)

code of beamforming technique

用Jacobi迭代法计算大型方程组的MATLAB函数文件(Jacobi iterative method using large calculation equations MATLAB function documents)

本代码包括经典的MMSE方法和LCMV方法的推导，并包括两种方法的仿真,很有用！(The code includes the derivation of the classical methods and LCMV MMSE method, and includes simulation of the two methods, very useful!)

MATLAB CODE FOR POWER FLOW 2