National-Taiwan-Central-University

3、 瑞利信道中的调制解调、信道估计： (1) 请推导出单径瑞利信道中的BPSK相干解调的理论误码率性能，并画出比特信噪比与误码率的关系曲线。 (2) 在单径瑞利信道中，请设计一种时分的导引辅助的信道估计方法，用Simulink进行仿真，测量BPSK的误码率性能，画出比特信噪比与误码率的关系曲线，并与(1)的曲线进行对比。 (3, the Rayleigh channel modulation and demodulation, channel estimation: (1) Please derive the single-path Rayleigh channel coherent demodulation of BPSK BER performance theory, and draw the signal to noise ratio and bit error rate curves. (2) single-path Rayleigh channel, please design a division of the guide-assisted channel estimation method, using Simulink simulation, measurement of the BER performance of BPSK, draw-bit signal to noise ratio and bit error rate curve, and with (1) of the curves were compared. )

The Matlab Fuzzy Logic tool box

说明：  主要讨论了QPSK的调制解调原理，分析了它们的调制解调实现过程(Mainly discussed the QPSK modulation and demodulation principle, an analysis of their realization of the process of modulation and demodulation)

Matlab simulation for drawing the BER plot of the LTE turbo code, using either the BCJR algorithm or the fully-parallel algorithm. Copyright (C) 2013 Robert G. Maunder The simulation can be started by running the main.m script. This can be modified to either the BCJR algorithm or the fully-parallel algorithm, as well as to the frame length N. As the simulation proceeds, it will gradually plot the BER that can be achieved using various number of decoding iterations, as selected in main.m. A greater number of decoding iterations will give a lower BER. The script main.m can also be modified to make the BER plots smoother and reach lower BERs, at the cost of making the simulation run slower.

读取radarsar数据的MATLAB程序(MATLAB program to read the data radarsar)

简单的二阶带滞后对象的动态矩阵控制，界面清晰，可自行修改参数(Second order with time delay of Dynamic Matrix Control)

Computing BER for DI GLONASS

控制改变工作频率，可更改，可移植性强，可对多种器件进行操作(Control to change the operating frequency can be changed, portability, and can operate on a variety of devices)

基于压缩传感的匹配追踪重建算法研究。给出了OMP的一种改进方案。OMP算法本身耗时过长速度过慢，本文的改 进方案将图像进行分块后再处理，从而大大降低了OMP算法每次迭代的矩阵规模。 实验结果表明，该方案在不明显降低重建效果的同时提高了运算速度。(Matching track reconstruction algorithm based on compressed sensing)

matlab编写的一段提取DCT域共生矩阵的源码(matlab extract prepared DCT section of the source domain co-occurrence matrix)