RS

视频：关于Matlab java，C++,C#的混合编程视频教学2(Video: on the Matlab java, C++, C# Mixed programming video teaching 2)

高斯法，高斯选主元法，LU分解法求解病态问题（非调用）(Gaussian, Gauss pivoting method, the LU decomposition method for solving ill-posed problems)

MATLAB 是一款数据分析和处理功能都非常强大的科技应用软件，利用它可以灵活方便地分析处理音频信号。文章介绍了用 MATLAB 软件处理音频信号的基本流程，并以实例形式列出了几款技术实现程序。(MATLAB is a data analysis and processing functions are very powerful application software, which allows flexible and convenient way of processing the audio signal. This paper introduces the audio signal processing using MATLAB software, the basic process and several examples were listed in the technology program.)

我国是世界上小麦种植面积最大和消费最高的国家之一。小麦为国际主粮之一，也是食品工业的重要原料。作为最重要粮食品种之一的小麦，其价值与用途取决于它的品质。因此，基于信号处理技术，研究客观、便捷的小麦品质测定方法对提高小麦品质、减少产后损失、保证国家粮食安全具有十分重要的意义。本课题拟在研究、分析国内外无损检测技术在农产品品质分析应用现状和研究进展的基础上，研究小麦籽粒声信号的预处理方法。根据声学检测原理，研制出小麦籽粒的声信号采集装置，首先采集小麦籽粒下落碰撞所产生的声音信号，对小麦声信号进行编辑和预处理，实验结合信号处理技术及MATLAB软件，对单粒小麦样品的声信号进行谱估计和小波变换，提取出时域和频域特征参数，为探讨小麦声学特性与其品质指标的关系奠定基础。本论文利用MATLAB软件编写小麦声音信号预处理程序，通过对小麦籽粒声信号进行处理，成功的提取出了有效的时域、频域的多种特征参数，为研究其声学特性与小麦品质内在的关系，做了充分的准备工作。(China is one of the countries in the world which has the largest wheat growing area and highest consumption. Wheat is one kind of the staple food in the world and also an important material for food industry. The value of wheat and its use all depends on is quality, To enhance quality of wheat,readuce post harvest loss and ensure grain security, great efforts should be made to develop rapid, objective, and easy methods for assessing wheat quality using signal processing techniques. This paper do the research of wheat signal preconditioning method and it basis of analysis domestic and foreign non-destructive testing technology.According to acoustic detection theory,an equipment of obtaining wheat sound signals is developed. Collecting the dropping voice signals of different varieties of wheat samples.And then do editing and sound signal preprocessing on wheat through signal processing technology.This paper do some research about spectrum estimate and wavelet transform on single wheat wi)

认知无线电是一种用于提高无线电通信频谱利用率的新的智能技术. 首先简述认知无线电的背景和概念,针 对认知无线电的频谱感知功能,详细地分析基于能量检测的频谱检测方法,在此基础上研究了噪声方差的不确定 性对检测性能的影响. 针对无线信号检测具有本地局域性和能量检测存在信噪比极限的特点,提出一种分布式有 限合作检测机制,推导出基于“OR”规则的有限合作机制的检测概率,并进行Monte Carlo仿真.(Cognitive radio is a radio communications spectrum used to improve the efficiency of the new smart technology. First, the background and outlined the concept of cognitive radio, spectrum sensing for cognitive radio capabilities, a detailed analysis of the spectrum based on energy detection test In this study the noise variance based on the uncertainty of the detection performance. for wireless signal detection with local detection of localized and there is signal to noise ratio limit of the energy characteristics of a distributed cooperative detection mechanism, derived out based on " OR" rules of the detection probability of the limited cooperation mechanism and conduct Monte Carlo simulation.)

涉及粒子速度计算、圆心和半径拟合、去穷区间的积分、简单滤波器的设计、BP神经网络训练(Involves particle velocity calculation, center and radius of fitting, to poor interval integral, simple filter design, the BP neural network training)

能将matlab中的所有矩阵数据写进新创建的excel表格中保存(Matlab can be included in all newly created matrix data stored in excel spreadsheet)

说明：  matlab SIMULINK Arabic tutorial part 1

Find the max and min number in an array

说明：  基于SVPWM空间矢量的matlab 仿真模型，适用异步电机，完美运行 基于SVPWM空间矢量的matlab 仿真模型，适用异步电机，完美运行(The matlab simulation model based on SVPWM space vector is suitable for asynchronous motor and works perfectly.)