spectrum_dB

Document on demodulating a psk signal

说明：  本程序对输入序列din实现DIT——FFT基2算法，点数取大于等于din长度的2的幂次(The program realization of the input sequence din DIT- FFT radix-2 algorithm, din length greater than or equal points to take a power of 2)

Simple Example Program by Manuel Diaz, which can be used to learn cfd using matlab codes

LPC编码与解码，有全过程（含仿真源码、wav文件），实际运用已通过！(LPC encoding and decoding, has the whole process (including simulation source, wav file), the practical application has passed!)

文件中包含将车轮和cameraman图像进行动画演示，两者交替出现，可将颜色和交替时间等参数进行改动以达到个人的需求。(File contains the wheel and the cameraman images animated demo, alternating between the two may be the turn of time, such as color and changes the parameters in order to achieve the needs of individuals.)

3节点，牛拉法潮流计算程序，适合初学者。(3 nodes, NR Power Flow Program. Suitable for beginners)

梁在横向荷载作用下的挠度曲线和应力分布，matlab实现的有限元程序，单元为Wilson非协调元 将matlab工作目录设为解压后的文件夹 依次执行 main postprocessing 两条命令(Matlab Program for FEA)

matlab时频分析工具箱，时频分析需要(Matlab time-frequency analysis toolbox, time-frequency analysis needs)

Pedagogy Pedagogy Pedagogy

说明：  流形学习（Manifold Learning）的一种算法：拉普拉斯特征映射（LE）(An algorithm of Manifold Learning: Laplacian Feature Mapping (LE))