smets

matlab source code for neural network. This source helps student to understand the way to design one neural system in basic by matlab object.

说明：  主元素分析源程序代码，实现主元素分析的完整代码(Principal component analysis source code to achieve the complete code for principal component analysis)

说明：  在MATLAB下实现各种数字滤波，包括中值滤波，均值滤波等(MATLAB image processing)

总体X服从非中心卡方分布，求两个参数的极大似然估计 输入：样本数据 输出：参数估计值n，v 内有详细说明(Overall X obey non-central chi-square distribution, find the two parameters MLE)

宽带无线通信系统的发展面临频谱资源有限、传输环境复杂等挑战，而高性能信道编码等物理层关键技术可以有效应对宽带无线通信系统的传输速率与传输质量需求(Development of broadband wireless communication systems faced limited spectrum resources, environment, transport and complex challenges, and high-performance physical layer channel coding and other key technology can effectively deal with broadband wireless communication system transmission rate and transmission quality requirements)

说明：  本程序用矩阵实现有限差分算法，本程序求解第一类边界条件下无源矩形金属槽电位分布，计算电磁学。(A simple code for finite difference method.)

IS95 FIR滤波器低通滤波白噪声(由输入和输出噪声功率谱图可见，IS-95滤波器较好实现了低通滤波。)(IS95 FIR low-pass filter white noise filter)

利用floyd算法能解决最短路径的选择功能还有最短路径的距离(Use of Floyd algorithm can solve the shortest path choice function and the shortest path distance)

matlab实现的一个扩展卡尔曼滤波程序，可以用于目标跟踪领域。(matlab implementation of a Kalman filtering process can be used for target tracking.)

fft spectrum audio file