I-st-Demo-Code-with-noise-added

三个分段相连的信号的傅里叶变换和时频分析；Chirp 信号的傅里叶变换和时频分析；信号的子带分解(Linked to three sub-signals Fourier transform and time-frequency analysis Chirp signal Fourier transform and time-frequency analysis signal subband decomposition)

玩转文件字符操作,倒叙,输入输出 缓冲与非缓冲(file )

说明：  可实现对灰度图像进行小波变换以及spiht编码并且完成了图像的重构(Can be realized on the gray image coding and wavelet transform and spiht complete reconstruction of the image)

Calculates the luminance of a square using Matlab.

An algorithm to find a sub array maximum.

包括面积、周长、矩形度、伸长度，基于小波变换的数字水印算法matlab代码，小波包分析提取振动信号中的特征频率。( Including the area, perimeter, rectangular, elongation, Based on wavelet transform digital watermarking algorithm matlab code, Wavelet packet analysis to extract vibration signal characteristic frequency.)

说明：  空间直角坐标转换，BURSA模型解算七参数(Transformation of space rectangular coordinate and solution of seven parameters with bursa model)

这是MAtlab与DSP应用中的第3掌的例子程序(This is the Matlab and DSP applications, the first example of the procedure in charge of 3)

说明：  利用时域有限差分（FDTD）仿真二维（2D）横电波（TE）的传播，吸收边界条件为完全匹配层（PML）。(The use of finite difference time domain (FDTD) simulation of two-dimensional (2D) transverse electric wave (TE) the spread of absorbing boundary conditions for the perfectly matched layer (PML).)

matlab仿真出刀刃的菲涅尔衍射，其中有四副图，原图，二维衍射图样，函数图象和三维衍射图样(matlab simulation of the cutting edge of the Fresnel diffraction, including four plans, artwork, two-dimensional diffraction patterns, functions, images and three-dimensional diffraction pattern)