The-simulation-of-OFDM-system

his master’s thesis deals with satellite transponders. Firstly, satellite communication basics, satellite services definitions, frequency bands and satellite orbits are investigated. The second chapter forms the satellite transponders analysis. The transparent transponder and the transponder with on-board processing are described. Finally, a transponder model is designed and simulated in communication chain.

special trainig of a neural network

噪声信号中正弦信号的现代法频谱分析，在不同周期不同长度和不同信噪比下的结果(Sinusoidal signal in noise spectrum analysis of modern law, in different periods of different lengths and different signal to noise ratio results)

利用MATLAB进行图像滤波技术，包含理想低通，高通滤波器和巴特沃思低通，高通滤波器的设计(Using MATLAB for image filtering techniques, including the ideal low-pass, high pass filter and Butterworth low-pass, high pass filter design)

对CDMA通信系统进行matlab仿真，包括Viterbi编码（卷积编码），交织，扩频，调制，解调，抽样判决，解偏置,码型转换，解交织等源代码，给出了误码率曲线。(Matlab on the CDMA communication system simulation, including the Viterbi coding (convolutional coding), interleaving, spreading, modulation, demodulation, sampling decisions, solve bias, format conversion, such as source code deinterleave given bit error rate curve.)

说明：  matlab 实现优化遗传算法程序，适合于遗传算法初学者(matlab genetic algorithm optimized procedures, genetic algorithms for beginners)

快对角化，实现减小多用户MIMO系统中用户间的干扰的目的(Fast diagonalization, to achieve multi-user MIMO system reduces interference between users of purpose)

给出了用matlab实现LDPC码协作通信的程序，其中LDPC码用PEG算法构造，并给出了相应的文章。(Given LDPC codes using matlab to achieve collaborative communication procedures which LDPC codes constructed with the PEG algorithm, and gives the corresponding article.)

OFDM信号的导频的插入包含LS,LMMSE,线性插值等(OFDM pilot signal insertion include LS, LMMSE, linear interpolation)

Simple implementation of the Conjugate Gradient Method