yuanchengxu

地理信息系统、街道地图绘制、matlab程序、用matlab直接运行(Geographic information systems, street mapping, matlab program, run directly using matlab)

OpenDss for modelling Distribution Network

说明：  超分辩率重建的两种算法对比POCS+IBP(Comparison of two super resolution reconstruction algorithms POCS + IBP)

说明：  大规模MIMO中采用天线选择来降低系统复杂度和成本，其中包括最优天线选择和递减天线选择，快速天线选择和基于范数的天线选择算法。(Antenna selection is used in large-scale MIMO to reduce system complexity and cost, including optimal antenna selection and decreasing antenna selection, fast antenna selection and antenna selection algorithm based on norm.)

在GPS软件接收机信号处理的过程中，供ＧＰＳ读取卫星信号数据的源代码(GPS reicever)

说明：  6. 在三条径的瑞利信道中，对于OFDM： (1) 请设计一种具体的导引辅助的信道估计方法，用Simulink进行仿真。画出比特信噪比与信道估计均方误差的关系曲线和比特信噪比与误码率的关系曲线。 (2) 设频率已同步，请设计OFDM一种具体的采用循环前缀进行时间同步方法，用Simulink进行仿真，画出比特信噪比与捕获概率的关系曲线。 (3) 设时间已同步，请设计OFDM一种具体的采用循环前缀进行频率同步方法，用Simulink进行仿真，画出比特信噪比与频率同步误差的关系曲线。(6. In the three-path Rayleigh channel, for OFDM: (1) please design a specific navigation-assisted channel estimation method and use Simulink for simulation.The relation curves of bit signal-noise ratio and channel estimation mean square error and the relation curves of bit signal-noise ratio and bit error rate are drawn. (2) if the frequency has been synchronized, please design a specific method of time synchronization using cyclic prefix in OFDM. Simulink is used for simulation to draw the relationship curve between bit-snr and acquisition probability. (3) if time has been synchronized, please design a specific method of frequency synchronization using cyclic prefix in OFDM. Simulink is used for simulation to draw the relationship curve between bit signal-to-noise ratio and frequency synchronization error.)

说明：  4098QAM编码在AWGN信道下误码率性能与Eb/N0（信噪比）的关系(The performance of 4096QAM at AWGN channel: BER~Eb/N0)

说明：  读取ecg心电信号和低通滤波器预处理，频谱分析(Read ECG signal and low-pass preprocessing)

说明：  matlab仿真LDPC码，对采样点数进行PPM编码，此代码加了保护时隙(The LDPC code is simulated by matlab, and the sampling points are encoded by PPM, which adds protection time slot.)

是信号处理方面欠采样的源程序 ,是很不错的程序,可以这方面的学者一些参考价值(signal processing is owed sampling of the source, is a very good procedure, which some scholars regard the reference value)