rev .9

《Matlab时频分析技术及其应用》(人民邮电出版社)第四章的随书程序.("Matlab time-frequency analysis technology and its applications" (People s Posts )

harris角点检测算子，该代码运行速度快(harris corner detection operator, the code to run faster)

说明：  小波变换滤波的matlab程序的实现用于图像的背景抑制(Wavelet filter for image matlab program to achieve the background suppression)

采用matlab中的simulink模块编写的二阶倒立摆仿真程序，对象了解倒立摆和学习simulink的人很有帮助。(The second inverted pendulum simulation program written using Matlab Simulink module, object, inverted pendulum and helpful learning simulink people.)

二维码编码，QR码实现，Two-dimensional coding, QR code to achieve, Two-dimensional coding(Two-dimensional coding, QR code to achieve, Two-dimensional coding)

Mie散射算法的实现，用于Mie散射研究和激光探测 (Mie scattering algorithm, for Mie scattering and laser detection)

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用matlab画出剪头的方法，两个点之间的剪头画法(plot arrow using matlab)

说明：  无约束一维极值问题中的黄金分割法，例程可调(Unconstrained extremal problem in the one-dimensional golden section method, routine adjustable)

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