对比度拉伸

fsk 使用matlab进行二进制振幅调制(fsk using matlab binary amplitude modulation)

some matlab functions negative, histogram equ. and reading, writing images

MIMO和Massive MIMO信号检测算法仿真程序，MRC，ZF,MMSE仿真和误码率比较

微弱信号的检测和提取，用MATLAB语言实现，包括了小波法(Weak signal detection and extraction, using MATLAB language, including the wavelet method)

本算例用正交多项式，采用最小二乘法拟合散点函数曲线，程序为MATLAB编写！(zuixiao ercheng duoxiangshi)

消除信号wigner-ville时频分布中的交叉项问题(Eliminate signal wigner ville- cross terms of time-frequency distribution problem)

this matlab code describes fourier descriptors

说明：  小波滤波时的matlab程序，是用于多种信号分解程序(When the matlab wavelet filtering procedure is used for a variety of signal decomposition process)

小波分析因其在处理非平稳信号中的独特优势而成为信号处理中的一个重要研究方向。如今随着小波理论体系的不断完善，小波以其时频局部化特性与多尺度特性在图像边缘检测领域中倍受青睐。(Wavelet analysis of nonstationary signal processing because of its unique advantage in signal processing and become an important research direction in. Now with the wavelet theory system ceaseless and perfect, the time-frequency localization characteristic of wavelet based and multi scale characteristics in the image edge detection is very popular.)

对信号进行短时傅里叶变换的逆变换，通过调用该函数查看信号进行处理后的时域信息(this code is used to processing the istft, and anslysis the distribution of the signal with time )