pca

通信信号处理需要的基本数学知识，包括线性代数、线性子空间、离散时间信号、Z变换、线性系统、统计特性等等。(digital signal processing in commnication system require some mathematical prelinaries including linear algebra,Z transform, linear system and stochastic process.)

newton raphson load flow

线性矩阵不等式的重要代码（3）， 线性矩阵不等式在进行系统的反馈控制矩阵求解过程中，操作简单，运算速度快(some codes about Lmi 3)

计算正弦信号加噪声的相关函数。系数b 决定余弦相关函数在噪声指数型相关函数中的“比重”。T为正弦信号周期。正弦信号加相关噪声的相关函数图像为一个指数函数和一个余弦函数叠加的波形。(Calculated sinusoidal signal plus noise correlation function. Coefficient b determine the cosine correlation function in the noise correlation function of exponential type in " proportion." T for the sinusoidal signal cycle. Sinusoidal signal plus noise correlation function related to the image as an index function and a cosine function superimposed waveform.)

simulation code for least square fir filter

使用对称秩1算法求解无约束问题 输入包括初始点，目标函数和梯度 输出包括最优点最优解和迭代次数(Rank 1 using symmetric algorithms for unconstrained problems including initial entry points, the objective function and the gradient of the output, including the most optimal solution and the advantages of iterations)

MATLAB Code for Notch Filter Design and finding peak power of signal.

一个完整的基于LMS和RLS改进算法的语音增强MATLAB程序，包括了输入输出序列和读取数据，自适应增强算法的程序(Based on a complete LMS and RLS algorithms to improve speech enhancement MATLAB procedures, including the input and output sequences and read data, adaptive enhancement algorithm procedure)

Runge Kutta 4th order

QAM16在非线性功放模型下的仿真，对需要认识功放特性的同学有帮助。(QAM16 nonlinear amplifier model in the simulation, the amplifier characteristics of the students need to know there is help.)