ldpc-bp-log

OFDM modulation and demodulation of procedures, using MATLAB

进行OFDM系统的matlab仿真，其中采用的子载波数为8个。并且仿真了多普勒频移对OFDM的影响。基带调制采用QPSK(Matlab simulation for OFDM system, which USES the subcarrier number is eight.And simulation of the doppler shift effect on OFDM.Baseband using QPSK modulation)

matlab codes for various signals generation

用MATLAB实现的RSA。界面友好，可加密任意长度字符串。(MATLAB RSA. Friendly interface, encryption arbitrary length of the string.)

一个简单的电梯模型，使用matlab软件编写的程序仿真出电梯模型(A simple elevator model, the use of simulation matlab software programs written out of the elevator model)

matlab编写的常见调制模式(am,fm,bpsk,qpsk,mask,16qam等)自动识别动态链接库(matlab prepared common modulation mode (am, fm, bpsk, qpsk, mask, 16qam etc.) automatically recognizes the dynamic link library)

时频信号分析技术，双线性方法，Wigner-Ville分布的应用，可以得到高斯包络线性调频信号的WVD图(Time-frequency signal analysis, bilinear method, Wigner-Ville distribution application, you can get WVD FIG Gaussian envelope chirp signal)

说明：  四面体有限元程序,单元刚度的计算及总刚度矩征集成(tetrahedral finite element program modules stiffness of the total stiffness and assembly into Moment)

说明：  pq分解程序，matlab电力系统的分析和计算中，需要不同网络结构和参数。在应 用这些参数之前，收集和整理工作会花费大量的时间和精力。(pq decomposition process, matlab power system analysis and calculation, require different network structures and parameters. Before applying these parameters, the collection and collation will spend a lot of time and effort.)

频谱分析，用于对等时间间距的序列进行频谱分析(spectrum analysis, for the time interval, such as the sequence spectrum analysis)