chengxu

在matlab中读取.dat文件后，利用函数polyfit和polyval进行拟合作图(In matlab to read. Dat file, use the function polyfit and polyval cooperation plan for the proposed)

说明：  FSK差分检波系统仿真的课程设计 本课程设计主要利用MATLAB集成环境下的Simulink仿真平台，设计一个FSK信号差分检波系统。观察FSK调制前后的信号波形,并对调制前后信号的频谱进行分析,再以调制信号为输入，构建差分检波解调系统电路，观察解调前后的信号波形，并对解调前后信号的频谱进行分析。加入噪声分析通过三种不同信道FSK信号差分检波系统接受信号的性能。仿真结果，基本达到课程设计要求。(FSK differential detection system simulation of the curriculum design of this course the main use of MATLAB integrated design environment of Simulink simulation platform, the design of a FSK signal differential detection system. Observed before and after FSK modulation signal waveforms, and modulation signal spectrum before and after analysis, and then modulated signal as input, build a system of differential detection demodulator circuits, observe the pre-and post-demodulation signal waveforms, and signal demodulation spectrum before and after analysis. Adding noise analysis through the three different channel FSK signal differential signal detection system to accept performance. The simulation results, the basic courses to meet the design requirements.)

说明：  产生GOLD序列的主程序，和ss_mlsrs.m结合起来使用。(sequence generated GOLD program, and ss_mlsrs.m used in combination.)

spline三次样条插值matlab代码，可执行有注释(spline function ,matlab code with notes)

面对大学繁琐的物理化学实验数据，本文提供了用matlab处理的常用方法(The face of the University of complicated physical and chemical experimental data, this paper provides a common method of dealing with matlab)

功能十分强大的图论工具箱，切实可靠，能用，十分不错。(Graph Theory Toolbox)

说明：  fastica实测数据，可以做数据的预处理，保留有用信号，滤除噪声(FastICA measured data, can do data preprocessing, retain useful signal, filter noise)

The Block-Matching and 3D Filtering (BM3D) algorithm is a computationally scalable algorithm based on this novel denoising strategy. It achieves state-of-the-art denoising performance in terms of both peak signal-to-noise ratio and subjective visual quality.

对图像以嵌入率为rate进行顺序LSB嵌入，然后进行卡方隐写分析(Rate on the image to be embedded in the order of LSB embedding rate, and then chi-square steganalysis)

数模MATLAB的写作书籍，关于美赛论文的写作论文，还有matlab的使用操作(writing，math，and MATLAB，and learn some knowledge by yourself)