zhipaiproblem

欢迎大家下载学习，数据模型归一化，模态振动，可以实现模式识别领域的数据的分类及回归，ICA（主分量分析）算法和程序，主同步信号PSS在时域上的相关仿真，最大信噪比的独立分量分析算法，构成不同频率的调制信号，考虑雨衰 阴影 和多径影响。( Welcome to download the study, Normalized data model, modal vibration, You can achieve data classification and regression pattern recognition, ICA (Principal Component Analysis) algorithm and procedures, PSS primary synchronization signal in the time domain simulation related, SNR largest independent component analysis algorithm, Constituting the modulated signals of different frequencies, Consider shadow rain attenuation and multipath effect.)

梯度下降法是最早最简单，也是最为常用的最优化方法。梯度下降法实现简单，当目标函数是凸函数时，梯度下降法的解是全局解。一般情况下，其解不保证是全局最优解，梯度下降法的速度也未必是最快的。梯度下降法的优化思想是用当前位置负梯度方向作为搜索方向，因为该方向为当前位置的最快下降方向，所以也被称为是”最速下降法“。最速下降法越接近目标值，步长越小，前进越慢。(The gradient descent method is the earliest and most simple and most commonly used optimization method. The gradient descent method is simple to realize. When the objective function is a convex function, the solution of the gradient descent method is a global solution. In general, the solution is not guaranteed to be the global optimal solution, and the gradient descent method is not necessarily the fastest. The optimization idea of gradient descent method is to use the current position negative gradient direction as the search direction, because the direction is the fastest descending direction of the current position, so it is also called the steepest descent method. The faster the slowest descent approach is closer to the target, the smaller the step, the slower the progress.)

一个基于四发二收天线系统的matlab无线传输例程(based on a four received two antenna system of wireless transmission of Matlab routines)

说明：  These are the source codes for training the neural networks with various kinds of training functions and for various kinds of inputs and alongwith there is important code also explaining difference between various kind of images like color gray b/w yuv ycbcr etc..

仿真图是速度、距离、幅度三维图像，虚拟力的无线传感网络覆盖，数学方法是部分子空间法。( FIG simulation speed, distance, amplitude three-dimensional image, Virtual power wireless sensor network coverage, Mathematics is part of the subspace.)

drawing a histogram of the image using only the loops

民用日传换到儒略日的matlab function。输入民用日的 年，月，日，小时，算得儒略日。(The civil day pass conversion to Julian day of Matlab FUNCTION. Enter the civil day of the year, month, day, hour, can be regarded as the Julian day.)

输出仿真结果的频谱图、相图、时间历程和庞加莱截面(The frequency spectrum of the output of the simulation results, the phase diagram, time course, and Poincare)

pca and fisher implementation in matlab for feature extraction

随机调制信号下的模拟ppm，在matlab环境中自动识别连通区域的大小,课程设计时编写的matlab程序代码，是机器学习的例程，进行波形数据分析,用MATLAB实现动态聚类或迭代自组织数据分析，包括随机梯度算法，相对梯度算法。( Random ppm modulated analog signal under Automatic identification in the matlab environment the size of the connected area, Course designed to prepare the matlab program code, Machine learning routines, Waveform data analysis, Using MATLAB dynamic clustering or iterative self-organizing data analysis, Including stochastic gradient algorithm, the relative gradient algorithm.)