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本书从MATLAB仿真角度系统地介绍了PID控制的基本理论、基本方法和应用技术，是作者多年来从事控制系统教学和科研工作的结晶，同时融入了国内外同行近年来所取得的新成果。? (MATLAB simulation system from the perspective of the book introduces the basic theory of PID control, the basic method and application technology, is a system of control for many years in the crystallization of teaching and research work, taking into the domestic counterparts in recent years, new results obtained . ?)

An implementation of a Nonlinear Bilinear Filter

使用WIN-TC编写一个程序，实现数值积分。用复化梯形方法、复化Simpson方法、变步长梯形方法、变步长Simpson方法编程求解积分值。(Using WIN-TC to write a program to achieve numerical integration. Compound trapezoid method used, the complex method of Simpson, variable step trapezoidal method, Simpson variable step method for solving integral value programming.)

digital watermarking is a process by which a user-specified signal is hidden or embedded into another signal , for example digital content such as electronic documents, images, sounds and video [2]. The use of digital video applications such as video-conferencing, digital television, digital cinema, distance learning, videophone, and video-on-demand has grown very rapidly over the last few years. Today it is much easier for the digital data owners to transfer multimedia data over the internet, and hence the data could be perfectly duplicated and rapidly redistributed on a large scale. Thus, the importance of copyright protection for multimedia data has become more critical. Digital watermarking is an effective way to protect the copyright of multimedia data even after its transmission there is urgent demand for techniques to protect the original digital data and to prevent unauthorized duplication or tampering.

用于混沌时间序列自适应预测的一种稀疏Volterra滤波器-(Adaptive prediction of chaotic time series for a sparse Volterra filter-)

修改过后的离散信号的线性卷积函数，输入为两信号，输出为卷积函数(The modified linear convolution function)

认知无线电频谱感知方面的一些文章，希望对你有用(Aspects of cognitive radio spectrum sensing some articles, I hope useful to you)

数字语音处理及MATLAB仿真[张雪英][程序源代码](source code of Digital Speech Processing written by xueying zhang)

MATLAB高斯噪声声生成函数（用于通信） (MATLAB Gaussian noise sound generating function (for communication))

this is the matlab code for a simple PLL circuit "Phase Locked Loop"