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自绘图函数 数字信号处理时域绘图 丁玉美-time stem tstem mstem(Since the mapping function when the domain of digital signal processing graphics Ding Yumei-time stem tstem mstem)

椭圆检测。利用霍夫变换的原理实现椭圆的检测，并在图中标记出来，可用于方向盘的检测。(Ellipse detection. Using the principle of detecting the implementation of elliptic Hof transform, and marked in the graph, can be used to detect the steering wheel.)

Calculate entropy input text file count all 256 ascii characters

这是一个低通抽样定理，例题中包括了低通信号的波形，抽样速率为4Hz的抽样信号，抽样序列恢复出原始信号(This is a low-pass sampling theorem, examples included in the lowpass signal waveform, the sampling rate is 4Hz sampling signal to recover the original signal sample sequence)

基于matlab的光学仿真实验--关于菲涅尔透镜衍射的仿真(Matlab-based optical simulation- simulation on the Fresnel lens diffraction)

说明：  复杂网络中基于matlab的代码实现方法(Code implementation method based on MATLAB in complex network)

基于MATLAB之SIMULINK工具箱仿真PID控制器的分析代码(Based on MATLAB simulation of SIMULINK toolbox PID controller analysis code)

logistic映射分岔图的四种实现方法(logistic map bifurcation diagram of the four implementations)

This book is about signal processing, which includes processes for synthesizing, transforming, and analyzing signals. It focuses on sound signals, but the same methods apply to other signals, like electronic signals and mechanical vibration.

说明：  A simple analytical model that predicts DSM spurious tones with arbitrary stimulus