loss-calc._HT

FSK调制解调MATLAB源代码,包含经过信道的实际信号,相干解调后的信号的眼图，非相干解调后的信号的眼图等内容。(FSK modulation and demodulation MATLAB source code, contains the actual signal after channel coherent demodulation signal eye diagram, non-coherent demodulation signal eye diagram.)

matlab教学ppt，总体上概括了matlab的各种功能。(matlab teaching ppt, in general outlines the various functions of matlab.)

说明：  信道编码用于计算信道的容量，计算起来比较简单迅速。(Channel coding is used to calculate the channel capacity, calculate simple fast.)

matlab differerntial evolution

用matlab实现变分模态分解算法，有效分解信号(variational model decomposition)

Construct the short length of QC LDPC codes without girth 4 and girth 6(The Program to construct the short length of QC LDPC codes without girth 4 and girth 6 Copyright (C) Yang XIAO, Jun FAN, BJTU, July 26, 2007, E-Mail: yxiao@bjtu.edu.cn. This program presents an approach [1] for constructing the short length of LDPC codes with girth 8. First, we design 3 submatrices with different shifting functions given by our schemes, then combine them into a matrix according to our approach, finally, expand the matrix into a desired parity-check matrix using identity matrices and cyclic shift matrices of the identity matrices. The simulation results in AWGN channels show that the codes which can be obtained by the generator matrix derived from this check matrix for encoding the random information bits are as good as random LDPC codes [1]. Ref: [1] J. Fan, Y. Xiao, “A design of LDPC codes with large girth based on the sub-matrix shifting”, IET International Conference on Wireless Mobile and Multimedia Networks Proceedings (ICWMMN 2006), (CP525), p. )

说明：  就是个测试文件，目前还在测试研究中，请多多指教(TEST)

一个对几幅图象进行盲信号分离的MATLAB程序。 分离性能还不错。(The pieces of an image for Blind Signal Separation of the MATLAB program. Separation performance is not bad.)

利用Matlab软件对OFDM技术的原理,调制解调过程进行了仿真实现(Matlab software on the principle of the OFDM technology, modulation and demodulation process simulation)

ofdm系统的基本系统图仿真，包括调制，IFFT，解调，FFT等(The basic system diagram ofdm system simulation, including the modulation, IFFT, demodulation, FFT, etc.)