U_pcm_xue

说明：  QPSK的Matlab/Simulink的调制解调仿真系统，给出接收信号眼图及系统仿真误码率，包含载波恢复，匹配滤波，定时恢复等重要模块，帮助理解QPSK的系统(QPSK Matlab/Simulink simulation system modulation and demodulation, the received signal is given eye and BER simulation systems, including carrier recovery, matching filter, timing recovery and other important module to help understand the system QPSK)

this matlab code for Image contrast enhancements of grey and rgb images.

基于MATLAB的PCM系统实现，采用u律压缩算法，供测试使用(MATLAB-based PCM system implementation, using u-law compression algorithm for testing)

对识别的指纹进行二值化处理，可以让指纹的纹路更清晰。(On binary fingerprint recognition processing, fingerprint patterns can be more clear.)

代码实现了平移不变小波框架的快速分解重构算法。(A fast decomposition and reconstruction algorithm based on the translation invariant is included in the pakage. )

Fourier basis expansion(Fourier basis expansion matlab)

实现白光多缝衍射和双缝干涉，得到白光彩色的干涉条纹(Realization of white multi-slit diffraction and double-slit interference fringes get white color)

inverse filter demo.this deblurs the image using inverse filter

G.729的coder和decoder，即编码和解码的matlab原代码，对学习G.729标准有很好的参考价值( The G.729 coder and decoder, ie, encoding and decoding matlab source code, to learn G.729 standard has a good reference value)

experimetal code for meshfree exponential integrators