qpsk_mod_demod

对于给定的结构振动响应数据（时间序列信号）， 该程序可以分解成多个订单这些响应信号 小波子信号，然后计算出分信号能量spectum。 (For a given structural vibration response data (time series), the program can be decomposed into multiple sub-orders for the response signal wavelet signal, and then calculate the sub-signal energy spectum.)

CurveLab-2.1.2， 非均匀采样傅里叶变换，Curvelab 采样变换等(signal processing by nonuniform random sampling, FFT)

说明：  此文件包括jake信道仿真模型的过程程序，希望大家发表意见(Anonymous channel simulation model of the procedure, hoping to express their opinions)

一、实验要求 信号为两个正弦信号加高斯白噪声，各正弦信号的信噪比均为10dB，长度为N，信号频率分别为和，初始相位，取，取不同数值：0.3，0.25。为采样频率。分别用Levinson递推法和Burg法进行功率谱估计，并分析改变数据长度、模型阶数对谱估计结果的影响。(Power spectrum estimation)

music 算法码代码，可用于对信号进行频率估计。(music algorithm code code can be used to estimate the frequency of the signal.)

This code realize the MUSIC algorithm.

利用压缩感知对雷达进行成像， 结果显示良好(Using compressed sensing to image the radar, The results are good)

用matlab语言编写的灰色理论预测程序，简单实用，欢迎下载！(grey model)

说明：  bp神经网络对字母的识别，在matlab里运行，并且附带程序和运行后的图像，(The bp neural network recognition of letters, running in the matlab, and the supplementary program and after the operation of the image,)

Matlab/Simulink仿真课程设计（论文）任务书,电压型逆变器 SPWM 调制技术的仿真.单相单极性SPWM调制,单相双极性SPWM调制,三相双极性SPWM调制(Matlab/Simulink simulation curriculum design (thesis) paper SPWM voltage source inverter modulation simulation. Unipolar SPWM modulation single-phase, single-phase bipolar SPWM modulation, three-phase bipolar SPWM modulation)