exam4_2_post

基于监督学习的一种非线性数据降维方法，可以很好地将低维特征从其所在的高维流形中提取出来，用于数据分类。(A nonlinear data dimension reduction based on supervised learning method, is a good way to the lower dimensional feature extracted from its place of higher dimensional manifold, used for data classification.)

此代码是计算两个数据之间的相关性的，直接调用Matlab里的功能函数(This code is to calculate the correlation between the two data directly call Matlab functions)

说明：  3GLTE下行链路方案ofdma性能仿真 以图形的方式表示 OFDMA和sc-fdma的性能差异 信噪比等(3GLTE ofdma downlink performance simulation program to graphically express OFDMA and sc-fdma differences in SNR performance)

UWB(超宽带) matlab程序,包含了qpsk 、ofdm调制，awgn 信道的产生，IEEE 信道脉冲响应等内容。(This file include some basic programmes of UWB .)

It is a useful book for manipulator robot, calculate inverse kinematic. A geometric approach in solving the inverse kinematics of puma robot. Including two main parts: Arm solution for first three joints and Arm solution for last three joints. For me, it s a good book.

根据输入的相应数据，绘制数据的自功率谱幅值曲线图(According to the corresponding input data, drawing data from the power spectrum amplitude curve)

使用matlab实现对excel文档的写操作，以写学生成绩报告为例(Use matlab to achieve excel document write operation to write the report as an example of student achievement)

自己编写的MIMO雷达的虚拟阵列的示意图程序：四个载频、相对于基频的虚拟阵列示意图。(virtual elements，MIMO radar)

Code to compute Mel Frequenct Component Cepstrun of a signal.

说明：  这是一个讲线性调频连续波的程序，感兴趣的可以来看看(This is a talk LFMCW procedures can be of interest to see)