2D_shallow_water

在matlab开发环境下的谱减法算法，主要用在了作者的语音增强算法当中。(in Matlab development environment spectral subtraction algorithm, which was spent mainly on the author's speech enhancement algorithm.)

基于小波变换的图像融合，包括图像的预处理和小波系数的选取(image fusion based on wavelet transform)

Scale an image and add a value

扩频因子在通信领域是我们必须要掌握的重点，本文章系统详细的阐述了扩频因子的作用，原理等，希望对大家有所帮助~(Spreading factor in the field of communication is that we must grasp the focus of this article system detailed expounds the function of spreading factor, principle and so on, hope to be of help)

BP神经网络的数据分类——————语音特征信号分类(Data BP neural network classification speech characteristic signal classification)

基于matlab的通断键控调制模块，跟通信原理书上的2ask调制原理类似，在调用时，需要在主函数中加入调制信号，和进制数，一般是2(Matlab on-off keying modulation of the module, with the Communication Theory book 2ask similar modulation principle, in the call, there is a need to add in the main function of modulation signal, and the hexadecimal number, typically 2)

说明：  ：简述了数字图像处理、MATLAB软件及两者之间的关系，针对数字图像处理技术的特点及MATLAB语言的应用环 境，选择二雏离散傅里叶变换线性性质的MATLAB实现和直方图均衡化的MATLAB实现作为数字图像处理课程的入门实 验，实现了数字图像处理与MATLAB之间的有机结合。(: A brief review of digital image processing, MATLAB software and the relationship between the two for digital image processing technology, features and application environment MATLAB language, choose the two underage Discrete Fourier Transform Linear nature of MATLAB implementation and histogram equalization The MATLAB implementation of digital image processing program as the entry test to achieve a digital image processing and the organic integration between MATLAB.)

create a function in neural network

直接序列扩频通信系统误码率的仿真分析PN码同步方法的比较与仿真(this is a pn sequences mode)

DBF数字波束形成仿真，生成最终仿真目标所在方向的波束图(DBF digital beamforming simulation)