Digital_IF_receiver

采用解调分析方法，从信号中提取调制信息，分析其强度和频次就可以判断研究对象（诸如机械零件）损伤的程度和部位。(Using the demodulation method, the modulation information is extracted from the signal, the strength and frequency analysis can determine the study (such as mechanical parts) and location of the degree of damage.)

电话拨音信号的合成与识别，matlab下GUIDE界面，已编译通过(Telephone dial tone signal synthesis and recognition, matlab under GUIDE interface, compiled by)

说明：  最小均方自适应滤波算法（LMS）与归一化最小均方自适应滤波算法（NLMS）的对比(Comparison of Least Mean Square Adaptive Filtering Algorithm (LMS) and Normalized Least Mean Square Adaptive Filtering Algorithm (NLMS))

实现MIMO-OFDM的仿真源代码，用于MATLAB仿真，很有价值，(The realization of MIMO-OFDM simulation source code for the MATLAB simulation, very valuable,)

matlab的命令大全，对于matlab命令英文解释不习惯的人，用这个很方便，是一本很不错的入门书籍。(matlab learning books, use for matlab is not very understanding person, with this very convenient, is a very good master entry plus books.)

matlab在建筑抗震中的应用，里面关于滞回性能有很详细的描述，前面的章节主要讲述matlab的基本命令(Matlab in the civil engineering)

功率谱估计和信号频率估计方法 周期图法 BT法(Power spectrum estimation and the signal frequency estimation methods periodogram )

实现QAM调制解调，分为16QAM、64QAM，包括瑞利信道的仿真程序，可以供初学参考。(Implementation of QAM modulation and demodulation, divided into 16QAM, 64QAM, including Rayleigh channel simulation program, can be reference for beginners.)

Main.m为粒子群算法程序,属于优化类，data.txt为粒子群算法的数据文件(The Main.m particle swarm optimization procedures, belonging to the optimization class data file data.txt for the particle swarm algorithm)

求传函的能控能观阵，以及初值的计算。程序简单易懂，旁边附有说明(Transfer function of the energy demand can watch the control and calculation of initial value)