基于BP神经网络的轴承故障诊断

二次插值法优化，有简单说明，并有一例子。希望大家喜欢(Optimize the second interpolation method, there is a brief description, and there is one example. I hope everyone likes)

说明：  Matlab实现的数字调制算法源代码(ASK, OOK, BPSK, QPSK, 8PSK)(Matlab implementation of the digital modulation algorithm source code (ASK, OOK, BPSK, QPSK, 8PSK))

统及系统响应实验二用FFT作谱分析实验三用双线性变换法设计IIR数字滤波器(cessing lab report experiment a signal, system and system response for the second experiment with the FFT spectrum analysis experiment with three bilinear transform IIR digital filter design)

mp3read源码 能将mp3文件读入matlab中，成为二进制代码 文件格式 mp3(mp3read mp3 source documents can be read into Matlab, binary code files into mp3 format)

1. 给定模拟信号：，式中，，。对进行采样，可得采样序列 选择采样频率=1 kHz，观测时间ms，观测所得序列及其幅频特性 改变采样频率=300Hz，观测此时的变化 令采样频率=200Hz，观测此时的变化 要求分析说明原理，绘出相应的序列及其它们对应的幅频特性曲线，指出的变化，说明为什么？(failed to translatefailed to translatefailed to translatefailed to translate)

matlab实现的D-S证据理论代码实现(the matlab implementation DS evidence theory code to achieve)

simulink仿真代码 学习使用 适合初学者(the simulink simulation code learning to use for beginners)

分形维数应用与MATLAB实现——借助分形维数理论，对二维图像和语音信号进行分析计算，让读者真正掌握分析盒维数的计算。(Fractal dimension and MATLAB realization——With the fractal dimension theory, the two-dimensional image and speech signal analysis and calculation, so that the reader grasp the real calculation cartridge dimensions.)

ekf组合导航，惯性导航及其组合导航matlab代码(EKF integrated navigation, inertial navigation and integrated navigation matlab code)

说明：  matlab 深度学习教程，PDF格式，适合新手(Matlab deep learning course, PDF format, welcome to download)