Approximation

边缘检测 基于matlab的图像边缘检测(Edge detection based on image edge detection matlab)

实现stft的三维图，3d的，很有用，自己编的，可以实现(Three-dimensional map to achieve stft, 3d, and useful, their series, can be achieved)

OFDM implementation using 64QAM

小波分析理论与matlab实现教程源程序(Wavelet analysis theory and Matlab tutorial source)

阵列信号处理中，确定信号源数目的经典算法仿真(Array signal processing, the classic algorithmto determine the number of the signal sources.)

在matlab环境下，根据四级移位寄存器产生的M序列(-1,+1)(Matlab environment, according to the four shift register M sequence (-1,+1))

这种去退化的matlab源代码,学生需要可以下载使用(This to the degradation of the matlab source code, students can download to use )

matlab包括最基本的语音处理程序（如谱减法，谱幅度估计，语谱图等）以及语音库(Located in this Prentice Hall web site compartment are functions, scripts, workspaces, and data required by the MATLAB exercises in the text: Discrete-Time Speech Signal Processing: Principles and Practice. Note that the speech files given are often specific cases of a certain class of speech signal, i.e., the waveforms often can be replaced by other examples with similar characteristics that serve the instructive purpose of the exercise.)

对lorenz信号的（svd）奇异值分解降噪，( lorenz signal noise singular value decomposition )

四元数Hartley仿射变换。对研究四元数Hartley仿射变换的不变性有帮助(quaternion hartley affine transform～～)