exchange_area

this is the code to do spectrum analysis using FFT.

Principal Component analysis comparision with PLS method.

In Matlab 模拟与分析PCM不同量化级别的量化噪声 可以直接运行(In Matlab， simulation and analysis of different quantization levels of PCM quantization noise ，can be run directly)

计算考虑像散情况下，能否实现腔内某一腔臂稳区完全重合(Account for astigmatism cases, achieving a cavity chamber arm stability zone coincide)

mathews数值分析书的源代码，用matlab编写，第一章第十五部分。(mathews numerical analysis of the book' s source code, using matlab, the first chapter in Part XV.)

（7,4）循环码的编译码器设计，模拟了信道噪声，并且进行了2种译码方法((7,4) of the codec of the cyclic code design, simulates the channel noise, and the two kinds of decoding methods)

RSSI 定位算法的MATLAB仿真实现(RSSI positioning algorithm matlab)

说明：  图着色，采用图论的方法进行图形着色，首先采用相邻矩阵，计算顶点之间的关系(Graph coloring. Graph coloring is done by graph theory. First, the adjacent matrix is used to calculate the relationship between vertices.)

Estimating State-Space models through Maximum Likelihood_matlab code

InvalidParameterException extends IllegalArgumentException.