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后向差分法求解分数阶方程，源程序，现在日趋火爆，有学术价值(backward difference method to solve fractional derivation equation)

利用matlab变成实现一个陷波滤波器（notch）(Using matlab to implement a notch filter into (notch))

矩阵是数学中一个十分重要的概念，其应用能够十分广泛，Matlab中最基本最重要的功能就是进行矩阵运算，其所有数值功能都已矩阵为基本单元来实现，掌握Matlab中的矩阵运算是十分重要的(Matrix and its operation)

锁相频率合成器的simulink模型，可验证电路设计的工作过程和合理性。(Phase lock loop)

nonlinear amplifier effect on QAM modulation

Kernel Orthogonal PLS using Matlab

hough变换检测椭圆，对于边缘图像的椭圆检测。(find ellipse by hough transform，used for edge image.)

说明：  文档中的matlab源代码主要是针对单回路液位控制系统的PID控制实现，内有simulink原理图(Matlab source code in the document is mainly for single-loop PID control of water level control system to achieve, within the simulink diagram)

function strlen and strcpy and strcut in c++ and c for use

计算脉动风速的风特性，包括湍流强度、阵风因子、湍流积分尺度等(Fluctuating wind characteristics calculated wind speed, including turbulence intensity, gust factor, turbulence integral scale, etc.)