7-8

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. )

designing pi and pid controllers using feedback.

Measurement based optimal multi-path routing

SVD奇异值分解在信号处理中的应用，主要使用在谐波恢复和估计上(SVD application in signal processing)

基于有限序列的复杂性,说明有限序列的复杂性与哪些参数有关(on the complexity of finite sequences)

本程序在matlab中实现了图像通道从rgb到hsi的转变，为图像滤波提供了基础(The image channel program in matlab transformation from rgb to hsi, provides the basis for image filtering)

jpeg image compression simlink

利用MATLAB进行图像滤波技术，包含理想低通，高通滤波器和巴特沃思低通，高通滤波器的设计(Using MATLAB for image filtering techniques, including the ideal low-pass, high pass filter and Butterworth low-pass, high pass filter design)

Used to make fast Source Code for Andriod.

这个是梯度跟踪算法的程序，在接收数据改变的情况下改变权值，实现波束跟踪(This is a gradient algorithm to track the process of receiving data in case of change in the right to change the value, the realization of beam tracking)